Merge remote-tracking branch 'origin/master' into feature/scrollable-credential-dialogs

V1.13 fixes:
* fix QuickUnlock layout
* add an option to disable QuickUnlock blocking for cases where this is explicitly needed

.github/workflows/build.yml

@@ -78,7 +78,7 @@ jobs:
 
   #   - name: Build keepass2android (net)
   #     run: |
-  #       make msbuild Flavor=Net
+  #       make dotnetbuild Flavor=Net
 
   #   - name: Build APK (net)
   #     run: |
@@ -96,7 +96,7 @@ jobs:
 
   #   - name: Build keepass2android (nonet)
   #     run: |
-  #       make msbuild Flavor=NoNet
+  #       make dotnetbuild Flavor=NoNet
 
   #   - name: Build APK (nonet)
   #     run: |
@@ -212,7 +212,7 @@ jobs:
 
   #   - name: Build keepass2android (net)
   #     run: |
-  #       make msbuild Flavor=Net
+  #       make dotnetbuild Flavor=Net
 
   #   - name: Build APK (net)
   #     run: |
@@ -230,7 +230,7 @@ jobs:
 
   #   - name: Build keepass2android (nonet)
   #     run: |
-  #       make msbuild Flavor=NoNet
+  #       make dotnetbuild Flavor=NoNet
 
   #   - name: Build APK (nonet)
   #     run: |
@@ -279,7 +279,7 @@ jobs:
       with:
         minimum-size: 8GB
 
-    - name: Add msbuild to PATH
+    - name: Add dotnetbuild to PATH
       uses: microsoft/setup-msbuild@v2
       # If we want to also have nmake, use this instead
       #uses: ilammy/msvc-dev-cmd@v1
@@ -309,30 +309,49 @@ jobs:
       run: |
         make java
 
+    - name: Update dotnet workloads
+      run: |
+        dotnet workload update        
+
+    - name: Select the manifest
+      run: |
+        make manifestlink Flavor=Net
+
     - name: Install NuGet dependencies (net)
       run: make nuget Flavor=Net
 
     - name: Build keepass2android (net)
       run: |
-        make msbuild Flavor=Net
+        make dotnetbuild Flavor=Net          
 
     - name: Build APK (net)
+      if: github.ref == 'refs/heads/master'
+      env:
+        DropboxAppKey: ${{ secrets.DROPBOX_APP_KEY }}
+        DropboxAppSecret: ${{ secrets.DROPBOX_APP_SECRET }}
+        DropboxAppFolderAppKey: ${{ secrets.DROPBOX_APP_FOLDER_APP_KEY }}
+        DropboxAppFolderAppSecret: ${{ secrets.DROPBOX_APP_FOLDER_APP_SECRET }}
       run: |
-        make apk Flavor=Net
+        make apk Configuration=Release Flavor=Net
 
     - name: Archive production artifacts (net)
       uses: actions/upload-artifact@v4
       with:
-        name: signed APK ('net' built on ${{ github.job }})
+        name: archive APK ('net' built on ${{ github.job }})
         path: |
-          src/keepass2android/bin/*/*-Signed.apk
+          src/keepass2android-app/bin/Release/net9.0-android/publish/*.apk
+
+    - name: Select the manifest
+      run: |
+        make manifestlink Flavor=NoNet
 
     - name: Install NuGet dependencies (nonet)
       run: make nuget Flavor=NoNet
 
     - name: Build keepass2android (nonet)
       run: |
-        make msbuild Flavor=NoNet
+        make dotnetbuild Flavor=NoNet
+
     - name: Test Autofill
       working-directory: ./src/Kp2aAutofillParser.Tests
       run: dotnet test
@@ -344,9 +363,7 @@ jobs:
     - name: Archive production artifacts (nonet)
       uses: actions/upload-artifact@v4
       with:
-        name: signed APK ('nonet' built on ${{ github.job }})
+        name: archive APK ('nonet' built on ${{ github.job }})
         path: |
-          src/keepass2android/bin/*/*-Signed.apk
+          src/keepass2android-app/bin/Release/net9.0-android/publish/*.apk
 
-    - name: Perform "make distclean"
-      run: make distclean

.github/workflows/release.yml

@@ -0,0 +1,146 @@
+name: Create keepass2android release
+env:
+  NAME: 'Release'
+
+on:
+  # the workflow is always triggered manually. This allows to test the apks
+  # before publishing the release and not having a broken tag in the repo if that test fails.
+  workflow_dispatch: 
+jobs:
+
+  build-release:
+
+    runs-on: windows-2022
+
+    strategy:
+      matrix:
+        flavor: [Net, NoNet]
+        target: [apk, apk_split]
+
+    steps:
+    
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Extract key store
+      env: 
+        KEYSTORE_BASE64: ${{ secrets.KEYSTORE_BASE64 }}
+        KeyStore: "${{ github.workspace }}/kp2a.keystore"
+        
+      shell: bash
+      run: |
+        echo $KeyStore
+        echo $KEYSTORE_BASE64 | base64 --decode > $KeyStore
+
+        
+
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v3
+
+    - name: Cache NuGet packages
+      uses: actions/cache@v4
+      with:
+        path: ~/.nuget/packages
+        key: ${{ runner.os }}-nuget-${{ hashFiles('src/**/*.csproj', 'src/**/packages.config') }}
+        restore-keys: |
+          ${{ runner.os }}-nuget-
+
+    # Workaround an issue when building on windows-2022. Error was
+    #       D8 : OpenJDK 64-Bit Server VM warning : INFO: os::commit_memory(0x00000000ae400000, 330301440, 0) failed; error='The paging file is too small for this operation to complete' (DOS error/errno=1455) [D:\a\keepass2android\keepass2android\src\keepass2android\keepass2android-app.csproj]
+    #       C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Xamarin\Android\Xamarin.Android.D8.targets(81,5): error MSB6006: "java.exe" exited with code 1. [D:\a\keepass2android\keepass2android\src\keepass2android\keepass2android-app.csproj]
+    - name: Configure Pagefile
+      uses: al-cheb/configure-pagefile-action@a3b6ebd6b634da88790d9c58d4b37a7f4a7b8708 # v1.4
+      with:
+        minimum-size: 8GB
+
+    - name: Add msbuild/dotnet to PATH
+      uses: microsoft/setup-msbuild@v2
+      # If we want to also have nmake, use this instead
+      #uses: ilammy/msvc-dev-cmd@v1
+
+    - name: Switch to JDK-17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+
+    - name: Display java version
+      run: java -version
+
+    - name: Build native dependencies
+      shell: cmd
+      run: |
+        make native
+
+    - name: Build java dependencies
+      shell: cmd
+      run: |
+        make java
+
+    - name: List apks
+      run:  find . -type f -name "*.apk"
+      shell: bash
+
+    - name: Update dotnet workloads
+      run: |
+        dotnet workload update        
+
+    - name: List apks
+      run:  find . -type f -name "*.apk"
+      shell: bash
+
+
+    - name: Select the manifest
+      run: |
+        make manifestlink Flavor=${{ matrix.flavor }}
+    
+    - name: List apks
+      run:  find . -type f -name "*.apk"
+      shell: bash
+
+
+    - name: Install NuGet dependencies
+      run: make nuget Flavor=${{ matrix.flavor }}
+
+    - name: List apks
+      run:  find . -type f -name "*.apk"
+      shell: bash
+
+    - name: Build APK (net)
+      env:
+        KeyStore: "${{ github.workspace }}/kp2a.keystore"
+        MyAndroidSigningStorePass: ${{ secrets.KEY_STORE_PASSWORD }}
+        MyAndroidSigningKeyPass: ${{ secrets.KEY_PASSWORD }}
+        DropboxAppKey: ${{ secrets.DROPBOX_APP_KEY }}
+        DropboxAppSecret: ${{ secrets.DROPBOX_APP_SECRET }}
+        DropboxAppFolderAppKey: ${{ secrets.DROPBOX_APP_FOLDER_APP_KEY }}
+        DropboxAppFolderAppSecret: ${{ secrets.DROPBOX_APP_FOLDER_APP_SECRET }}
+
+      run: |
+        make ${{ matrix.target }} Configuration=Release Flavor=${{ matrix.flavor }}
+    
+    - name: List apks
+      run:  find . -type f -name "*.apk"
+      shell: bash
+    
+    - name: Archive production artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: keepass2android_${{ matrix.target }}_${{ matrix.flavor }}
+        # the first line is for "apk" target, the second line is for "apk_split" target
+        path: |
+          src/keepass2android-app/bin/Release/net9.0-android/publish/*.apk
+          src/keepass2android-app/bin/Release/net9.0-android/*/publish/*.apk
+    
+    - name: List apks
+      run:  find . -type f -name "*.apk"
+      shell: bash
+      
+    - name: Upload APK to GitHub Release
+      uses: softprops/action-gh-release@v2
+      with:
+        draft: true
+        files: |
+          src/keepass2android-app/bin/Release/net9.0-android/publish/*.apk
+          src/keepass2android-app/bin/Release/net9.0-android/*/publish/*.apk

.gitignore

@@ -64,7 +64,7 @@ Thumbs.db
 /src/java/android-filechooser/code/projectzip/project.zip
 /src/java/android-filechooser/code/unused.txt
 
-/src/Kp2aBusinessLogic/Io/DropboxFileStorageKeys.cs
+/src/Kp2aBusinessLogic/Io/DropboxFileStorage.g.cs
 
 /src/java/workspace/DriveTest
 

Makefile

@@ -4,10 +4,10 @@
 # This Makefile can be used on both unix-like (use make) & windows (with GNU make)
 #
 # append the Configuration variable to 'make' call with value to use in '/p:Configuration='
-# of msbuild command.
+# of dotnetbuild command.
 #
 # append the Flavor variable to 'make' call with value to use in '/p:Flavor='
-# of msbuild command.
+# of dotnetbuild command.
 #
 # Example:
 #    make Configuration=Release Flavor=NoNet
@@ -18,7 +18,7 @@
 #  - native: build the native libs
 #  - java: build the java libs
 #  - nuget: restore NuGet packages
-#  - msbuild: build the project
+#  - dotnetbuild: build the project
 #  - apk: same as all
 #  - manifestlink: creates a symlink (to be used in building) to the AndroidManifest corresponding to the selected Flavor
 #
@@ -27,7 +27,7 @@
 #  - clean_native: clean native lib
 #  - clean_java: call clean target of java libs
 #  - clean_nuget: cleanup the 'nuget restore'
-#  - clean_msbuild: call clean target of msbuild
+#  - clean_dotnet: call clean target of dotnetbuild
 #
 #
 #
@@ -60,45 +60,23 @@ $(info MAKESHELL: $(MAKESHELL))
 $(info SHELL: $(SHELL))
 $(info )
 
-# On linux use xabuild, on Windows use MSBuild.exe, otherwise (macos?) use msbuild.
 ifeq ($(detected_OS),Linux)
-  MSBUILD_binary := xabuild
-  MSBUILD := $(shell $(WHICH) $(MSBUILD_binary))
+  DOTNET_binary := dotnet
+  DOTNET := $(shell $(WHICH) $(DOTNET_binary))
 else ifeq ($(detected_OS),Windows)
-  MSBUILD_binary := MSBuild.exe
-  MSBUILD := $(shell $(WHICH) $(MSBUILD_binary) 2> nul)
-  ifeq ($(MSBUILD),)
-    # Additional heuristic to find MSBUILD_BINARY on Windows
-    VSWHERE := "%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
-    VSWHERE_CHECK := $(shell @echo off & $(VSWHERE) 2> nul || echo VSWHERE_NOT_FOUND)
-    ifneq ($(VSWHERE_CHECK),VSWHERE_NOT_FOUND)
-      MSBUILD := $(shell @echo off & $(VSWHERE) -latest -prerelease -products * -requires Microsoft.Component.MSBuild -find MSBuild\**\Bin\MSBuild.exe)
-      VS_INSTALL_PATH := $(shell @echo off & $(VSWHERE) -property installationPath)
-    endif
-  endif
+  DOTNET_binary := dotnet
+  DOTNET := $(shell $(WHICH) $(DOTNET_binary) 2> nul)
 else
-  MSBUILD_binary := msbuild
-  MSBUILD := $(shell $(WHICH) $(MSBUILD_binary))
+  DOTNET_binary := dotnet
+  DOTNET := $(shell $(WHICH) $(DOTNET_binary))
 endif
 
-ifeq ($(MSBUILD),)
+ifeq ($(DOTNET),)
   $(info )
-  $(info '$(MSBUILD_binary)' binary could not be found. Check it is in your PATH.)
-  ifeq ($(detected_OS),Windows)
-  ifneq ($(VSWHERE_CHECK),VSWHERE_NOT_FOUND)
-    $(info )
-    $(info You may retry after running in the command prompt:)
-    $(info )
-    $(info "$(VS_INSTALL_PATH)\VC\Auxiliary\Build\vcvarsall.bat" x86_amd64)
-    $(info )
-    $(info If this doesn't work, install/find the location of vcvarsall.bat)
-    $(info or install and add msbuild.exe to your PATH)
-    $(info )
-  endif
-  endif
+  $(info '$(DOTNET_binary)' binary could not be found. Check it is in your PATH.)
   $(error )
 endif
-$(info MSBUILD: $(MSBUILD))
+$(info DOTNET: $(DOTNET))
 $(info )
 
 ifeq ($(ANDROID_SDK_ROOT),)
@@ -117,7 +95,7 @@ endif
 $(info ANDROID_NDK_ROOT: $(ANDROID_NDK_ROOT))
 
 ifneq ($(Configuration),)
-  MSBUILD_PARAM = -p:Configuration="$(Configuration)"
+  DOTNET_PARAM = -p:Configuration="$(Configuration)"
 else
   $(warning Configuration environment variable not set.)
 endif
@@ -127,7 +105,7 @@ CREATE_MANIFEST_LINK :=
 
 MANIFEST_FILE := 
 ifneq ($(Flavor),)
-  MSBUILD_PARAM += -p:Flavor="$(Flavor)"
+  DOTNET_PARAM += -p:Flavor="$(Flavor)"
   ifneq ($(Flavor),)
 		ifeq ($(Flavor),Debug)
 			MANIFEST_FILE := AndroidManifest_debug.xml
@@ -152,7 +130,7 @@ else
 endif
 
 ifneq ($(KeyStore),)
-  MSBUILD_PARAM += -p:AndroidKeyStore=True -p:AndroidSigningKeyStore="$(KeyStore)" -p:AndroidSigningStorePass=env:MyAndroidSigningStorePass -p:AndroidSigningKeyPass=env:MyAndroidSigningKeyPass -p:AndroidSigningKeyAlias="kp2a"
+  DOTNET_PARAM += -p:AndroidKeyStore=True -p:AndroidSigningKeyStore="$(KeyStore)" -p:AndroidSigningStorePass=env:MyAndroidSigningStorePass -p:AndroidSigningKeyPass=env:MyAndroidSigningKeyPass -p:AndroidSigningKeyAlias="kp2a"
 endif
 
 ifeq ($(detected_OS),Windows)
@@ -176,7 +154,7 @@ endif
 # Recursive wildcard: https://stackoverflow.com/a/18258352
 rwildcard=$(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d))
 
-$(info MSBUILD_PARAM: $(MSBUILD_PARAM))
+$(info DOTNET_PARAM: $(DOTNET_PARAM))
 $(info nuget path: $(shell $(WHICH) nuget))
 $(info )
 
@@ -254,7 +232,7 @@ OUTPUT_PluginQR = src/java/Keepass2AndroidPluginSDK2/app/build/outputs/aar/Keepa
 .PHONY: native $(NATIVE_COMPONENTS) clean_native $(NATIVE_CLEAN_TARGETS) \
 	java $(JAVA_COMPONENTS) clean_java $(JAVA_CLEAN_TARGETS) \
 	nuget clean_nuget \
-	msbuild clean_msbuild \
+	dotnetbuild clean_dotnet \
 	apk all clean
 
 all: apk
@@ -303,7 +281,7 @@ ifeq ($(shell $(WHICH) nuget),)
 endif
 	$(RMFILE) stamp.nuget_*
 	nuget restore src/KeePass.sln
-	$(MSBUILD) src/KeePass.sln -t:restore $(MSBUILD_PARAM) -p:RestorePackagesConfig=true
+	$(DOTNET) restore src/KeePass.sln $(DOTNET_PARAM) -p:RestorePackagesConfig=true
 	@echo "" > stamp.nuget_$(Flavor)
 
 manifestlink:
@@ -312,20 +290,21 @@ manifestlink:
 	$(CREATE_MANIFEST_LINK)	
 
 #####
-src/Kp2aBusinessLogic/Io/DropboxFileStorageKeys.cs:
-ifeq ($(detected_OS),Windows)
-	$(CP) src\Kp2aBusinessLogic\Io\DropboxFileStorageKeysDummy.cs src\Kp2aBusinessLogic\Io\DropboxFileStorageKeys.cs
-else
-	$(CP) src/Kp2aBusinessLogic/Io/DropboxFileStorageKeysDummy.cs $@
-endif
 
-msbuild: manifestlink native java nuget src/Kp2aBusinessLogic/Io/DropboxFileStorageKeys.cs
-	$(MSBUILD) src/KeePass.sln -target:keepass2android-app -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -p:BuildProjectReferences=true $(MSBUILD_PARAM) -p:Platform="Any CPU" -m
+dotnetbuild: manifestlink native java nuget 
+	$(DOTNET) build src/KeePass.sln -target:keepass2android-app -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -p:BuildProjectReferences=true $(DOTNET_PARAM) -p:Platform="Any CPU" -m
 
-apk: msbuild 
-	$(MSBUILD) src/keepass2android-app/keepass2android-app.csproj -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -t:SignAndroidPackage $(MSBUILD_PARAM) -p:Platform=AnyCPU -m 
+apk: manifestlink native java nuget  
+	$(DOTNET) publish src/keepass2android-app/keepass2android-app.csproj -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -t:SignAndroidPackage $(DOTNET_PARAM) -p:Platform=AnyCPU -m 
 
-build_all: msbuild
+apk_split: manifestlink native java nuget 
+	$(DOTNET) publish src/keepass2android-app/keepass2android-app.csproj -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -t:SignAndroidPackage $(DOTNET_PARAM) -p:Platform=AnyCPU -m -p:RuntimeIdentifier=android-arm
+	$(DOTNET) publish src/keepass2android-app/keepass2android-app.csproj -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -t:SignAndroidPackage $(DOTNET_PARAM) -p:Platform=AnyCPU -m -p:RuntimeIdentifier=android-arm64
+	$(DOTNET) publish src/keepass2android-app/keepass2android-app.csproj -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -t:SignAndroidPackage $(DOTNET_PARAM) -p:Platform=AnyCPU -m -p:RuntimeIdentifier=android-x86
+	$(DOTNET) publish src/keepass2android-app/keepass2android-app.csproj -p:AndroidSdkDirectory="$(ANDROID_SDK_ROOT)" -t:SignAndroidPackage $(DOTNET_PARAM) -p:Platform=AnyCPU -m -p:RuntimeIdentifier=android-x64
+	src/build-scripts/rename-output-apks.sh src/keepass2android-app/bin/Release/net8.0-android/
+
+build_all: dotnetbuild
 
 ##### Cleanup targets
 
@@ -369,10 +348,10 @@ else
 endif
 	$(RMFILE) stamp.nuget_*
 
-clean_msbuild:
-	$(MSBUILD) src/KeePass.sln -target:clean $(MSBUILD_PARAM)
+clean_dotnet:
+	$(DOTNET) clean src/KeePass.sln $(DOTNET_PARAM)
 
-clean: clean_native clean_java clean_nuget clean_msbuild
+clean: clean_native clean_java clean_nuget clean_dotnet
 
 distclean: clean
 ifneq ("$(wildcard ./allow_git_clean)","")

docs/README.md

@@ -11,10 +11,10 @@ Regular stable releases of Keepass2Android are available on [Google Play](https:
 Beta-releases can be obtained by opting in to the [Beta testing channel](https://play.google.com/apps/testing/keepass2android.keepass2android) or [Beta testing channel for Keepass2Android Offline](https://play.google.com/apps/testing/keepass2android.keepass2android_nonet).
 
 # How can I contribute?
-* Help to translate Keepass2Android into your language or improve translations at [our Crowdin page](http://crowdin.net/project/keepass2android)
+* Help to translate Keepass2Android into your language or improve translations at [our Crowdin page](https://crowdin.net/project/keepass2android)
 * Add features by [creating a plugin](How-to-create-a-plug-in_.md) or creating a pull request. You might want to contact me before you start working so I can coordinate efforts.
 * [Become a GitHub sponsor to boost 🚀 development](https://github.com/sponsors/PhilippC)
-* [Make a donation](http://philipp.crocoll.net/donate.php)
+* [Make a donation](https://philipp.crocoll.net/donate.php)
 
 # How do I learn more?
 Please see the [wiki](https://github.com/PhilippC/keepass2android/wiki/Documentation) for further information.

src/AndroidFileChooserBinding/AndroidFileChooserBinding.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/DropboxBinding/DropboxBinding.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/JavaFileStorageBindings/JavaFileStorageBindings.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/KeePassLib2Android/Cryptography/CryptoRandomStream.cs

@@ -1,6 +1,6 @@
 /*
   KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -29,197 +29,226 @@ using KeePassLib.Utility;
 
 namespace KeePassLib.Cryptography
 {
-	/// <summary>
-	/// Algorithms supported by <c>CryptoRandomStream</c>.
-	/// </summary>
-	public enum CrsAlgorithm
-	{
-		/// <summary>
-		/// Not supported.
-		/// </summary>
-		Null = 0,
+    /// <summary>
+    /// Algorithms supported by <c>CryptoRandomStream</c>.
+    /// </summary>
+    public enum CrsAlgorithm
+    {
+        /// <summary>
+        /// Not supported.
+        /// </summary>
+        Null = 0,
 
-		/// <summary>
-		/// A variant of the ARCFour algorithm (RC4 incompatible).
-		/// </summary>
-		/// </summary>
-		ArcFourVariant = 1,
+        /// <summary>
+        /// A variant of the ArcFour algorithm (RC4 incompatible).
+        /// Insecure; for backward compatibility only.
+        /// </summary>
+        ArcFourVariant = 1,
 
-		/// <summary>
-		/// Salsa20 stream cipher algorithm.
-		/// </summary>
-		Salsa20 = 2,
+        /// <summary>
+        /// Salsa20 stream cipher algorithm.
+        /// </summary>
+        Salsa20 = 2,
 
-		/// <summary>
-		/// ChaCha20 stream cipher algorithm.
-		/// </summary>
-		ChaCha20 = 3,
+        /// <summary>
+        /// ChaCha20 stream cipher algorithm.
+        /// </summary>
+        ChaCha20 = 3,
 
-		Count = 4
-	}
+        Count = 4
+    }
 
-	/// <summary>
-	/// A random stream class. The class is initialized using random
-	/// bytes provided by the caller. The produced stream has random
-	/// properties, but for the same seed always the same stream
-	/// is produced, i.e. this class can be used as stream cipher.
-	/// </summary>
-	public sealed class CryptoRandomStream : IDisposable
-	{
-		private readonly CrsAlgorithm m_crsAlgorithm;
+    /// <summary>
+    /// A random stream class. The class is initialized using random
+    /// bytes provided by the caller. The produced stream has random
+    /// properties, but for the same seed always the same stream
+    /// is produced, i.e. this class can be used as stream cipher.
+    /// </summary>
+    public sealed class CryptoRandomStream : IDisposable
+    {
+        private readonly CrsAlgorithm m_alg;
+        private bool m_bDisposed = false;
 
-		private byte[] m_pbState = null;
-		private byte m_i = 0;
-		private byte m_j = 0;
+        private readonly byte[] m_pbKey = null;
+        private readonly byte[] m_pbIV = null;
 
-		private Salsa20Cipher m_salsa20 = null;
-		private ChaCha20Cipher m_chacha20 = null;
+        private readonly ChaCha20Cipher m_chacha20 = null;
+        private readonly Salsa20Cipher m_salsa20 = null;
 
-		/// <summary>
-		/// Construct a new cryptographically secure random stream object.
-		/// </summary>
-		/// <param name="genAlgorithm">Algorithm to use.</param>
-		/// <param name="pbKey">Initialization key. Must not be <c>null</c> and
-		/// must contain at least 1 byte.</param>
-		public CryptoRandomStream(CrsAlgorithm a, byte[] pbKey)
-		{
-			if(pbKey == null) { Debug.Assert(false); throw new ArgumentNullException("pbKey"); }
-		/// <exception cref="System.ArgumentNullException">Thrown if the
-			int cbKey = pbKey.Length;
-			if(cbKey <= 0)
-			{
-				Debug.Assert(false); // Need at least one byte
-				throw new ArgumentOutOfRangeException("pbKey");
-			}
-		/// <paramref name="pbKey" /> parameter is <c>null</c>.</exception>
-			m_crsAlgorithm = a;
-		/// <exception cref="System.ArgumentException">Thrown if the
-			if(a == CrsAlgorithm.ChaCha20)
-			{
-				byte[] pbKey32 = new byte[32];
-				byte[] pbIV12 = new byte[12];
-		/// <paramref name="pbKey" /> parameter contains no bytes or the
-				using(SHA512Managed h = new SHA512Managed())
-				{
-					byte[] pbHash = h.ComputeHash(pbKey);
-					Array.Copy(pbHash, pbKey32, 32);
-					Array.Copy(pbHash, 32, pbIV12, 0, 12);
-					MemUtil.ZeroByteArray(pbHash);
-				}
-		/// algorithm is unknown.</exception>
-				m_chacha20 = new ChaCha20Cipher(pbKey32, pbIV12, true);
-			}
-			else if(a == CrsAlgorithm.Salsa20)
-		{
-				byte[] pbKey32 = CryptoUtil.HashSha256(pbKey);
-				byte[] pbIV8 = new byte[8] { 0xE8, 0x30, 0x09, 0x4B,
-					0x97, 0x20, 0x5D, 0x2A }; // Unique constant
+        private readonly byte[] m_pbState = null;
+        private byte m_i = 0;
+        private byte m_j = 0;
 
-				m_salsa20 = new Salsa20Cipher(pbKey32, pbIV8);
-			}
-			else if(a == CrsAlgorithm.ArcFourVariant)
-			{
-				// Fill the state linearly
-				m_pbState = new byte[256];
-				for(int w = 0; w < 256; ++w) m_pbState[w] = (byte)w;
+        /// <summary>
+        /// Construct a new cryptographically secure random stream object.
+        /// </summary>
+        /// <param name="a">Algorithm to use.</param>
+        /// <param name="pbKey">Initialization key. Must not be <c>null</c>
+        /// and must contain at least 1 byte.</param>
+        public CryptoRandomStream(CrsAlgorithm a, byte[] pbKey)
+        {
+            if (pbKey == null) { Debug.Assert(false); throw new ArgumentNullException("pbKey"); }
 
-				unchecked
-				{
-					byte j = 0, t;
-					int inxKey = 0;
-					for(int w = 0; w < 256; ++w) // Key setup
-					{
-						j += (byte)(m_pbState[w] + pbKey[inxKey]);
+            int cbKey = pbKey.Length;
+            if (cbKey <= 0)
+            {
+                Debug.Assert(false); // Need at least one byte
+                throw new ArgumentOutOfRangeException("pbKey");
+            }
 
-						t = m_pbState[0]; // Swap entries
-						m_pbState[0] = m_pbState[j];
-						m_pbState[j] = t;
+            m_alg = a;
 
-						++inxKey;
-						if(inxKey >= cbKey) inxKey = 0;
-					}
-				}
+            if (a == CrsAlgorithm.ChaCha20)
+            {
+                m_pbKey = new byte[32];
+                m_pbIV = new byte[12];
 
-				GetRandomBytes(512); // Increases security, see cryptanalysis
-			}
-			else // Unknown algorithm
-			{
-				Debug.Assert(false);
-				throw new ArgumentOutOfRangeException("a");
-			}
-		}
+                using (SHA512Managed h = new SHA512Managed())
+                {
+                    byte[] pbHash = h.ComputeHash(pbKey);
+                    Array.Copy(pbHash, m_pbKey, 32);
+                    Array.Copy(pbHash, 32, m_pbIV, 0, 12);
+                    MemUtil.ZeroByteArray(pbHash);
+                }
 
-		public void Dispose()
-		{
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
+                m_chacha20 = new ChaCha20Cipher(m_pbKey, m_pbIV, true);
+            }
+            else if (a == CrsAlgorithm.Salsa20)
+            {
+                m_pbKey = CryptoUtil.HashSha256(pbKey);
+                m_pbIV = new byte[8] { 0xE8, 0x30, 0x09, 0x4B,
+                    0x97, 0x20, 0x5D, 0x2A }; // Unique constant
 
-		private void Dispose(bool disposing)
-		{
-			if(disposing)
-			{
-				if(m_crsAlgorithm == CrsAlgorithm.ChaCha20)
-					m_chacha20.Dispose();
-				else if(m_crsAlgorithm == CrsAlgorithm.Salsa20)
-					m_salsa20.Dispose();
-				else if(m_crsAlgorithm == CrsAlgorithm.ArcFourVariant)
-				{
-					MemUtil.ZeroByteArray(m_pbState);
-					m_i = 0;
-					m_j = 0;
-				}
-				else { Debug.Assert(false); }
-			}
-		}
+                m_salsa20 = new Salsa20Cipher(m_pbKey, m_pbIV);
+            }
+            else if (a == CrsAlgorithm.ArcFourVariant)
+            {
+                // Fill the state linearly
+                m_pbState = new byte[256];
+                for (int w = 0; w < 256; ++w) m_pbState[w] = (byte)w;
 
-		/// <summary>
-		/// Get <paramref name="uRequestedCount" /> random bytes.
-		/// </summary>
-		/// <param name="uRequestedCount">Number of random bytes to retrieve.</param>
-		/// <returns>Returns <paramref name="uRequestedCount" /> random bytes.</returns>
-		public byte[] GetRandomBytes(uint uRequestedCount)
-		{
-			if(uRequestedCount == 0) return MemUtil.EmptyByteArray;
+                unchecked
+                {
+                    byte j = 0, t;
+                    int inxKey = 0;
+                    for (int w = 0; w < 256; ++w) // Key setup
+                    {
+                        j += (byte)(m_pbState[w] + pbKey[inxKey]);
 
-			if(uRequestedCount > (uint)int.MaxValue)
-				throw new ArgumentOutOfRangeException("uRequestedCount");
-			int cb = (int)uRequestedCount;
+                        t = m_pbState[0]; // Swap entries
+                        m_pbState[0] = m_pbState[j];
+                        m_pbState[j] = t;
 
-			byte[] pbRet = new byte[cb];
+                        ++inxKey;
+                        if (inxKey >= cbKey) inxKey = 0;
+                    }
+                }
 
-			if(m_crsAlgorithm == CrsAlgorithm.ChaCha20)
-				m_chacha20.Encrypt(pbRet, 0, cb);
-			else if(m_crsAlgorithm == CrsAlgorithm.Salsa20)
-				m_salsa20.Encrypt(pbRet, 0, cb);
-			else if(m_crsAlgorithm == CrsAlgorithm.ArcFourVariant)
-			{
-				unchecked
-				{
-					for(int w = 0; w < cb; ++w)
-					{
-						++m_i;
-						m_j += m_pbState[m_i];
+                GetRandomBytes(512); // Increases security, see cryptanalysis
+            }
+            else // Unknown algorithm
+            {
+                Debug.Assert(false);
+                throw new ArgumentOutOfRangeException("a");
+            }
+        }
 
-						byte t = m_pbState[m_i]; // Swap entries
-						m_pbState[m_i] = m_pbState[m_j];
-						m_pbState[m_j] = t;
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
 
-						t = (byte)(m_pbState[m_i] + m_pbState[m_j]);
-						pbRet[w] = m_pbState[t];
-					}
-				}
-			}
-			else { Debug.Assert(false); }
+        private void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                if (m_alg == CrsAlgorithm.ChaCha20)
+                    m_chacha20.Dispose();
+                else if (m_alg == CrsAlgorithm.Salsa20)
+                    m_salsa20.Dispose();
+                else if (m_alg == CrsAlgorithm.ArcFourVariant)
+                {
+                    MemUtil.ZeroByteArray(m_pbState);
+                    m_i = 0;
+                    m_j = 0;
+                }
+                else { Debug.Assert(false); }
 
-			return pbRet;
-		}
+                if (m_pbKey != null) MemUtil.ZeroByteArray(m_pbKey);
+                if (m_pbIV != null) MemUtil.ZeroByteArray(m_pbIV);
 
-		public ulong GetRandomUInt64()
-		{
-			byte[] pb = GetRandomBytes(8);
-			return MemUtil.BytesToUInt64(pb);
-			}
+                m_bDisposed = true;
+            }
+        }
+
+        /// <summary>
+        /// Get <paramref name="uRequestedCount" /> random bytes.
+        /// </summary>
+        /// <param name="uRequestedCount">Number of random bytes to retrieve.</param>
+        /// <returns>Returns <paramref name="uRequestedCount" /> random bytes.</returns>
+        public byte[] GetRandomBytes(uint uRequestedCount)
+        {
+            if (m_bDisposed) throw new ObjectDisposedException(null);
+
+            if (uRequestedCount == 0) return MemUtil.EmptyByteArray;
+            if (uRequestedCount > (uint)int.MaxValue)
+                throw new ArgumentOutOfRangeException("uRequestedCount");
+            int cb = (int)uRequestedCount;
+
+            byte[] pbRet = new byte[cb];
+
+            if (m_alg == CrsAlgorithm.ChaCha20)
+                m_chacha20.Encrypt(pbRet, 0, cb);
+            else if (m_alg == CrsAlgorithm.Salsa20)
+                m_salsa20.Encrypt(pbRet, 0, cb);
+            else if (m_alg == CrsAlgorithm.ArcFourVariant)
+            {
+                unchecked
+                {
+                    for (int w = 0; w < cb; ++w)
+                    {
+                        ++m_i;
+                        m_j += m_pbState[m_i];
+
+                        byte t = m_pbState[m_i]; // Swap entries
+                        m_pbState[m_i] = m_pbState[m_j];
+                        m_pbState[m_j] = t;
+
+                        t = (byte)(m_pbState[m_i] + m_pbState[m_j]);
+                        pbRet[w] = m_pbState[t];
+                    }
+                }
+            }
+            else { Debug.Assert(false); }
+
+            return pbRet;
+        }
+
+        public ulong GetRandomUInt64()
+        {
+            byte[] pb = GetRandomBytes(8);
+            return MemUtil.BytesToUInt64(pb);
+        }
+
+        internal ulong GetRandomUInt64(ulong uMaxExcl)
+        {
+            if (uMaxExcl == 0) { Debug.Assert(false); throw new ArgumentOutOfRangeException("uMaxExcl"); }
+
+            ulong uGen, uRem;
+            do
+            {
+                uGen = GetRandomUInt64();
+                uRem = uGen % uMaxExcl;
+            }
+            while ((uGen - uRem) > (ulong.MaxValue - (uMaxExcl - 1UL)));
+            // This ensures that the last number of the block (i.e.
+            // (uGen - uRem) + (uMaxExcl - 1)) is generatable;
+            // for signed longs, overflow to negative number:
+            // while((uGen - uRem) + (uMaxExcl - 1) < 0);
+
+            return uRem;
+        }
 
 #if CRSBENCHMARK
 		public static string Benchmark()
@@ -237,22 +266,21 @@ namespace KeePassLib.Cryptography
 			return str;
 		}
 
-		private static int BenchTime(CrsAlgorithm cra, int nRounds, int nDataSize)
+		private static int BenchTime(CrsAlgorithm a, int nRounds, int cbData)
 		{
 			byte[] pbKey = new byte[4] { 0x00, 0x01, 0x02, 0x03 };
 
-			int nStart = Environment.TickCount;
+			int tStart = Environment.TickCount;
 			for(int i = 0; i < nRounds; ++i)
 			{
-				using(CryptoRandomStream c = new CryptoRandomStream(cra, pbKey))
+				using(CryptoRandomStream crs = new CryptoRandomStream(a, pbKey))
 				{
-					c.GetRandomBytes((uint)nDataSize);
+					crs.GetRandomBytes((uint)cbData);
 				}
 			}
-			int nEnd = Environment.TickCount;
 
-			return (nEnd - nStart);
+			return (Environment.TickCount - tStart);
 		}
 #endif
-	}
+    }
 }

src/KeePassLib2Android/Cryptography/PasswordGenerator/CharSetBasedGenerator.cs

@@ -1,65 +0,0 @@
-/*
-  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Diagnostics;
-
-using KeePassLib.Security;
-using KeePassLib.Utility;
-
-namespace KeePassLib.Cryptography.PasswordGenerator
-{
-	internal static class CharSetBasedGenerator
-	{
-		internal static PwgError Generate(out ProtectedString psOut,
-			PwProfile pwProfile, CryptoRandomStream crsRandomSource)
-		{
-			psOut = ProtectedString.Empty;
-			if(pwProfile.Length == 0) return PwgError.Success;
-
-			PwCharSet pcs = new PwCharSet(pwProfile.CharSet.ToString());
-			char[] vGenerated = new char[pwProfile.Length];
-
-			PwGenerator.PrepareCharSet(pcs, pwProfile);
-
-			for(int nIndex = 0; nIndex < (int)pwProfile.Length; ++nIndex)
-			{
-				char ch = PwGenerator.GenerateCharacter(pwProfile, pcs,
-					crsRandomSource);
-
-				if(ch == char.MinValue)
-				{
-					MemUtil.ZeroArray<char>(vGenerated);
-					return PwgError.TooFewCharacters;
-				}
-
-				vGenerated[nIndex] = ch;
-			}
-
-			byte[] pbUtf8 = StrUtil.Utf8.GetBytes(vGenerated);
-			psOut = new ProtectedString(true, pbUtf8);
-			MemUtil.ZeroByteArray(pbUtf8);
-			MemUtil.ZeroArray<char>(vGenerated);
-
-			return PwgError.Success;
-		}
-	}
-}

src/KeePassLib2Android/Cryptography/PasswordGenerator/PatternBasedGenerator.cs

@@ -1,173 +0,0 @@
-/*
-  KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Diagnostics;
-
-using KeePassLib.Security;
-using KeePassLib.Utility;
-
-namespace KeePassLib.Cryptography.PasswordGenerator
-{
-	internal static class PatternBasedGenerator
-	{
-		internal static PwgError Generate(out ProtectedString psOut,
-			PwProfile pwProfile, CryptoRandomStream crsRandomSource)
-		{
-			psOut = ProtectedString.Empty;
-			LinkedList<char> vGenerated = new LinkedList<char>();
-			PwCharSet pcsCurrent = new PwCharSet();
-			PwCharSet pcsCustom = new PwCharSet();
-			PwCharSet pcsUsed = new PwCharSet();
-			bool bInCharSetDef = false;
-
-			string strPattern = ExpandPattern(pwProfile.Pattern);
-			if(strPattern.Length == 0) return PwgError.Success;
-
-			CharStream csStream = new CharStream(strPattern);
-			char ch = csStream.ReadChar();
-
-			while(ch != char.MinValue)
-			{
-				pcsCurrent.Clear();
-
-				bool bGenerateChar = false;
-
-				if(ch == '\\')
-				{
-					ch = csStream.ReadChar();
-					if(ch == char.MinValue) // Backslash at the end
-					{
-						vGenerated.AddLast('\\');
-						break;
-					}
-
-					if(bInCharSetDef) pcsCustom.Add(ch);
-					else
-					{
-						vGenerated.AddLast(ch);
-						pcsUsed.Add(ch);
-					}
-				}
-				else if(ch == '[')
-				{
-					pcsCustom.Clear();
-					bInCharSetDef = true;
-				}
-				else if(ch == ']')
-				{
-					pcsCurrent.Add(pcsCustom.ToString());
-
-					bInCharSetDef = false;
-					bGenerateChar = true;
-				}
-				else if(bInCharSetDef)
-				{
-					if(pcsCustom.AddCharSet(ch) == false)
-						pcsCustom.Add(ch);
-				}
-				else if(pcsCurrent.AddCharSet(ch) == false)
-				{
-					vGenerated.AddLast(ch);
-					pcsUsed.Add(ch);
-				}
-				else bGenerateChar = true;
-
-				if(bGenerateChar)
-				{
-					PwGenerator.PrepareCharSet(pcsCurrent, pwProfile);
-
-					if(pwProfile.NoRepeatingCharacters)
-						pcsCurrent.Remove(pcsUsed.ToString());
-
-					char chGen = PwGenerator.GenerateCharacter(pwProfile,
-						pcsCurrent, crsRandomSource);
-
-					if(chGen == char.MinValue) return PwgError.TooFewCharacters;
-
-					vGenerated.AddLast(chGen);
-					pcsUsed.Add(chGen);
-				}
-
-				ch = csStream.ReadChar();
-			}
-
-			if(vGenerated.Count == 0) return PwgError.Success;
-
-			char[] vArray = new char[vGenerated.Count];
-			vGenerated.CopyTo(vArray, 0);
-
-			if(pwProfile.PatternPermutePassword)
-				PwGenerator.ShufflePassword(vArray, crsRandomSource);
-
-			byte[] pbUtf8 = StrUtil.Utf8.GetBytes(vArray);
-			psOut = new ProtectedString(true, pbUtf8);
-			MemUtil.ZeroByteArray(pbUtf8);
-			MemUtil.ZeroArray<char>(vArray);
-			vGenerated.Clear();
-
-			return PwgError.Success;
-		}
-
-		private static string ExpandPattern(string strPattern)
-		{
-			Debug.Assert(strPattern != null); if(strPattern == null) return string.Empty;
-			string str = strPattern;
-
-			while(true)
-			{
-				int nOpen = FindFirstUnescapedChar(str, '{');
-				int nClose = FindFirstUnescapedChar(str, '}');
-
-				if((nOpen >= 0) && (nOpen < nClose))
-				{
-					string strCount = str.Substring(nOpen + 1, nClose - nOpen - 1);
-					str = str.Remove(nOpen, nClose - nOpen + 1);
-
-					uint uRepeat;
-					if(StrUtil.TryParseUInt(strCount, out uRepeat) && (nOpen >= 1))
-					{
-						if(uRepeat == 0)
-							str = str.Remove(nOpen - 1, 1);
-						else
-							str = str.Insert(nOpen, new string(str[nOpen - 1], (int)uRepeat - 1));
-					}
-				}
-				else break;
-			}
-
-			return str;
-		}
-
-		private static int FindFirstUnescapedChar(string str, char ch)
-		{
-			for(int i = 0; i < str.Length; ++i)
-			{
-				char chCur = str[i];
-
-				if(chCur == '\\') ++i; // Next is escaped, skip it
-				else if(chCur == ch) return i;
-			}
-
-			return -1;
-		}
-	}
-}

src/KeePassLib2Android/Cryptography/PasswordGenerator/PwCharSet.cs

@@ -1,6 +1,6 @@
 /*
   KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -19,333 +19,311 @@
 
 using System;
 using System.Collections.Generic;
-using System.Text;
 using System.Diagnostics;
+using System.Text;
+
+using KeePassLib.Utility;
 
 namespace KeePassLib.Cryptography.PasswordGenerator
 {
-	public sealed class PwCharSet
-	{
-		public const string UpperCase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-		public const string LowerCase = "abcdefghijklmnopqrstuvwxyz";
-		public const string Digits = "0123456789";
+    public sealed class PwCharSet : IEquatable<PwCharSet>
+    {
+        public static readonly string UpperCase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        public static readonly string LowerCase = "abcdefghijklmnopqrstuvwxyz";
+        public static readonly string Digits = "0123456789";
 
-		public const string UpperConsonants = "BCDFGHJKLMNPQRSTVWXYZ";
-		public const string LowerConsonants = "bcdfghjklmnpqrstvwxyz";
-		public const string UpperVowels = "AEIOU";
-		public const string LowerVowels = "aeiou";
+        public static readonly string UpperConsonants = "BCDFGHJKLMNPQRSTVWXYZ";
+        public static readonly string LowerConsonants = "bcdfghjklmnpqrstvwxyz";
+        public static readonly string UpperVowels = "AEIOU";
+        public static readonly string LowerVowels = "aeiou";
 
-		public const string Punctuation = @",.;:";
-		public const string Brackets = @"[]{}()<>";
+        public static readonly string Punctuation = ",.;:";
+        public static readonly string Brackets = @"[]{}()<>";
 
-		public const string PrintableAsciiSpecial = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
+        public static readonly string Special = "!\"#$%&'*+,./:;=?@\\^`|~";
+        public static readonly string PrintableAsciiSpecial = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
 
-		public const string UpperHex = "0123456789ABCDEF";
-		public const string LowerHex = "0123456789abcdef";
+        public static readonly string UpperHex = "0123456789ABCDEF";
+        public static readonly string LowerHex = "0123456789abcdef";
 
-		public const string Invalid = "\t\r\n";
-		public const string LookAlike = @"O0l1I|";
+        public static readonly string LookAlike = "O0Il1|";
 
-		internal const string MenuAccels = PwCharSet.LowerCase + PwCharSet.Digits;
+        /// <summary>
+        /// Latin-1 Supplement except U+00A0 (NBSP) and U+00AD (SHY).
+        /// </summary>
+        public static readonly string Latin1S =
+            "\u00A1\u00A2\u00A3\u00A4\u00A5\u00A6\u00A7" +
+            "\u00A8\u00A9\u00AA\u00AB\u00AC\u00AE\u00AF" +
+            "\u00B0\u00B1\u00B2\u00B3\u00B4\u00B5\u00B6\u00B7" +
+            "\u00B8\u00B9\u00BA\u00BB\u00BC\u00BD\u00BE\u00BF" +
+            "\u00C0\u00C1\u00C2\u00C3\u00C4\u00C5\u00C6\u00C7" +
+            "\u00C8\u00C9\u00CA\u00CB\u00CC\u00CD\u00CE\u00CF" +
+            "\u00D0\u00D1\u00D2\u00D3\u00D4\u00D5\u00D6\u00D7" +
+            "\u00D8\u00D9\u00DA\u00DB\u00DC\u00DD\u00DE\u00DF" +
+            "\u00E0\u00E1\u00E2\u00E3\u00E4\u00E5\u00E6\u00E7" +
+            "\u00E8\u00E9\u00EA\u00EB\u00EC\u00ED\u00EE\u00EF" +
+            "\u00F0\u00F1\u00F2\u00F3\u00F4\u00F5\u00F6\u00F7" +
+            "\u00F8\u00F9\u00FA\u00FB\u00FC\u00FD\u00FE\u00FF";
 
-		private const int CharTabSize = (0x10000 / 8);
+        // internal static readonly string MenuAccels = PwCharSet.LowerCase + PwCharSet.Digits;
 
-		private List<char> m_vChars = new List<char>();
-		private byte[] m_vTab = new byte[CharTabSize];
+        [Obsolete]
+        public static string SpecialChars { get { return PwCharSet.Special; } }
+        [Obsolete]
+        public static string HighAnsiChars { get { return PwCharSet.Latin1S; } }
 
-		private static string m_strHighAnsi = null;
-		public static string HighAnsiChars
-		{
-			get
-			{
-				if(m_strHighAnsi == null) { new PwCharSet(); } // Create string
-				Debug.Assert(m_strHighAnsi != null);
-				return m_strHighAnsi;
-			}
-		}
+        private readonly List<char> m_lChars = new List<char>();
+        private readonly byte[] m_vTab = new byte[0x10000 / 8];
 
-		private static string m_strSpecial = null;
-		public static string SpecialChars
-		{
-			get
-			{
-				if(m_strSpecial == null) { new PwCharSet(); } // Create string
-				Debug.Assert(m_strSpecial != null);
-				return m_strSpecial;
-			}
-		}
+        /// <summary>
+        /// Create a new, empty character set.
+        /// </summary>
+        public PwCharSet()
+        {
+            Debug.Assert(PwCharSet.Latin1S.Length == (16 * 6 - 2));
+        }
 
-		/// <summary>
-		/// Create a new, empty character set collection object.
-		/// </summary>
-		public PwCharSet()
-		{
-			Initialize(true);
-		}
+        public PwCharSet(string strCharSet)
+        {
+            Add(strCharSet);
+        }
 
-		public PwCharSet(string strCharSet)
-		{
-			Initialize(true);
-			Add(strCharSet);
-		}
+        /// <summary>
+        /// Number of characters in this set.
+        /// </summary>
+        public uint Size
+        {
+            get { return (uint)m_lChars.Count; }
+        }
 
-		private PwCharSet(bool bFullInitialize)
-		{
-			Initialize(bFullInitialize);
-		}
+        /// <summary>
+        /// Get a character of the set using an index.
+        /// </summary>
+        /// <param name="uPos">Index of the character to get.</param>
+        /// <returns>Character at the specified position. If the index is invalid,
+        /// an <c>ArgumentOutOfRangeException</c> is thrown.</returns>
+        public char this[uint uPos]
+        {
+            get
+            {
+                if (uPos >= (uint)m_lChars.Count)
+                    throw new ArgumentOutOfRangeException("uPos");
 
-		private void Initialize(bool bFullInitialize)
-		{
-			Clear();
+                return m_lChars[(int)uPos];
+            }
+        }
 
-			if(!bFullInitialize) return;
+        public bool Equals(PwCharSet other)
+        {
+            if (object.ReferenceEquals(other, this)) return true;
+            if (object.ReferenceEquals(other, null)) return false;
 
-			if(m_strHighAnsi == null)
-			{
-				StringBuilder sbHighAnsi = new StringBuilder();
-				// [U+0080, U+009F] are C1 control characters,
-				// U+00A0 is non-breaking space
-				for(char ch = '\u00A1'; ch <= '\u00AC'; ++ch)
-					sbHighAnsi.Append(ch);
-				// U+00AD is soft hyphen (format character)
-				for(char ch = '\u00AE'; ch < '\u00FF'; ++ch)
-					sbHighAnsi.Append(ch);
-				sbHighAnsi.Append('\u00FF');
+            if (m_lChars.Count != other.m_lChars.Count) return false;
 
-				m_strHighAnsi = sbHighAnsi.ToString();
-			}
+            return MemUtil.ArraysEqual(m_vTab, other.m_vTab);
+        }
 
-			if(m_strSpecial == null)
-			{
-				PwCharSet pcs = new PwCharSet(false);
-				pcs.AddRange('!', '/');
-				pcs.AddRange(':', '@');
-				pcs.AddRange('[', '`');
-				pcs.Add(@"|~");
-				pcs.Remove(@"-_ ");
-				pcs.Remove(PwCharSet.Brackets);
+        public override bool Equals(object obj)
+        {
+            return Equals(obj as PwCharSet);
+        }
 
-				m_strSpecial = pcs.ToString();
-			}
-		}
+        public override int GetHashCode()
+        {
+            return (int)MemUtil.Hash32(m_vTab, 0, m_vTab.Length);
+        }
 
-		/// <summary>
-		/// Number of characters in this set.
-		/// </summary>
-		public uint Size
-		{
-			get { return (uint)m_vChars.Count; }
-		}
+        /// <summary>
+        /// Remove all characters from this set.
+        /// </summary>
+        public void Clear()
+        {
+            m_lChars.Clear();
+            Array.Clear(m_vTab, 0, m_vTab.Length);
+        }
 
-		/// <summary>
-		/// Get a character of the set using an index.
-		/// </summary>
-		/// <param name="uPos">Index of the character to get.</param>
-		/// <returns>Character at the specified position. If the index is invalid,
-		/// an <c>ArgumentOutOfRangeException</c> is thrown.</returns>
-		public char this[uint uPos]
-		{
-			get
-			{
-				if(uPos >= (uint)m_vChars.Count)
-					throw new ArgumentOutOfRangeException("uPos");
+        public bool Contains(char ch)
+        {
+            return (((m_vTab[ch / 8] >> (ch % 8)) & 1) != char.MinValue);
+        }
 
-				return m_vChars[(int)uPos];
-			}
-		}
+        public bool Contains(string strCharacters)
+        {
+            Debug.Assert(strCharacters != null);
+            if (strCharacters == null) throw new ArgumentNullException("strCharacters");
 
-		/// <summary>
-		/// Remove all characters from this set.
-		/// </summary>
-		public void Clear()
-		{
-			m_vChars.Clear();
-			Array.Clear(m_vTab, 0, m_vTab.Length);
-		}
+            foreach (char ch in strCharacters)
+            {
+                if (!Contains(ch)) return false;
+            }
 
-		public bool Contains(char ch)
-		{
-			return (((m_vTab[ch / 8] >> (ch % 8)) & 1) != char.MinValue);
-		}
+            return true;
+        }
 
-		public bool Contains(string strCharacters)
-		{
-			Debug.Assert(strCharacters != null);
-			if(strCharacters == null) throw new ArgumentNullException("strCharacters");
+        /// <summary>
+        /// Add characters to the set.
+        /// </summary>
+        /// <param name="ch">Character to add.</param>
+        public void Add(char ch)
+        {
+            if (ch == char.MinValue) { Debug.Assert(false); return; }
 
-			foreach(char ch in strCharacters)
-			{
-				if(!Contains(ch)) return false;
-			}
+            if (!Contains(ch))
+            {
+                m_lChars.Add(ch);
+                m_vTab[ch / 8] |= (byte)(1 << (ch % 8));
+            }
+        }
 
-			return true;
-		}
+        /// <summary>
+        /// Add characters to the set.
+        /// </summary>
+        /// <param name="strCharSet">String containing characters to add.</param>
+        public void Add(string strCharSet)
+        {
+            Debug.Assert(strCharSet != null);
+            if (strCharSet == null) throw new ArgumentNullException("strCharSet");
 
-		/// <summary>
-		/// Add characters to the set.
-		/// </summary>
-		/// <param name="ch">Character to add.</param>
-		public void Add(char ch)
-		{
-			if(ch == char.MinValue) { Debug.Assert(false); return; }
+            foreach (char ch in strCharSet)
+                Add(ch);
+        }
 
-			if(!Contains(ch))
-			{
-				m_vChars.Add(ch);
-				m_vTab[ch / 8] |= (byte)(1 << (ch % 8));
-			}
-		}
+        public void Add(string strCharSet1, string strCharSet2)
+        {
+            Add(strCharSet1);
+            Add(strCharSet2);
+        }
 
-		/// <summary>
-		/// Add characters to the set.
-		/// </summary>
-		/// <param name="strCharSet">String containing characters to add.</param>
-		public void Add(string strCharSet)
-		{
-			Debug.Assert(strCharSet != null);
-			if(strCharSet == null) throw new ArgumentNullException("strCharSet");
+        public void Add(string strCharSet1, string strCharSet2, string strCharSet3)
+        {
+            Add(strCharSet1);
+            Add(strCharSet2);
+            Add(strCharSet3);
+        }
 
-			m_vChars.Capacity = m_vChars.Count + strCharSet.Length;
+        public void AddRange(char chMin, char chMax)
+        {
+            for (char ch = chMin; ch < chMax; ++ch)
+                Add(ch);
 
-			foreach(char ch in strCharSet)
-				Add(ch);
-		}
+            Add(chMax);
+        }
 
-		public void Add(string strCharSet1, string strCharSet2)
-		{
-			Add(strCharSet1);
-			Add(strCharSet2);
-		}
+        public bool AddCharSet(char chCharSetIdentifier)
+        {
+            bool bResult = true;
 
-		public void Add(string strCharSet1, string strCharSet2, string strCharSet3)
-		{
-			Add(strCharSet1);
-			Add(strCharSet2);
-			Add(strCharSet3);
-		}
+            switch (chCharSetIdentifier)
+            {
+                case 'a': Add(PwCharSet.LowerCase, PwCharSet.Digits); break;
+                case 'A':
+                    Add(PwCharSet.LowerCase, PwCharSet.UpperCase,
+                    PwCharSet.Digits); break;
+                case 'U': Add(PwCharSet.UpperCase, PwCharSet.Digits); break;
+                case 'c': Add(PwCharSet.LowerConsonants); break;
+                case 'C':
+                    Add(PwCharSet.LowerConsonants,
+                    PwCharSet.UpperConsonants); break;
+                case 'z': Add(PwCharSet.UpperConsonants); break;
+                case 'd': Add(PwCharSet.Digits); break; // Digit
+                case 'h': Add(PwCharSet.LowerHex); break;
+                case 'H': Add(PwCharSet.UpperHex); break;
+                case 'l': Add(PwCharSet.LowerCase); break;
+                case 'L': Add(PwCharSet.LowerCase, PwCharSet.UpperCase); break;
+                case 'u': Add(PwCharSet.UpperCase); break;
+                case 'p': Add(PwCharSet.Punctuation); break;
+                case 'b': Add(PwCharSet.Brackets); break;
+                case 's': Add(PwCharSet.PrintableAsciiSpecial); break;
+                case 'S':
+                    Add(PwCharSet.UpperCase, PwCharSet.LowerCase);
+                    Add(PwCharSet.Digits, PwCharSet.PrintableAsciiSpecial); break;
+                case 'v': Add(PwCharSet.LowerVowels); break;
+                case 'V': Add(PwCharSet.LowerVowels, PwCharSet.UpperVowels); break;
+                case 'Z': Add(PwCharSet.UpperVowels); break;
+                case 'x': Add(PwCharSet.Latin1S); break;
+                default: bResult = false; break;
+            }
 
-		public void AddRange(char chMin, char chMax)
-		{
-			m_vChars.Capacity = m_vChars.Count + (chMax - chMin) + 1;
+            return bResult;
+        }
 
-			for(char ch = chMin; ch < chMax; ++ch)
-				Add(ch);
+        public bool Remove(char ch)
+        {
+            m_vTab[ch / 8] &= (byte)(~(1 << (ch % 8)));
+            return m_lChars.Remove(ch);
+        }
 
-			Add(chMax);
-		}
+        public bool Remove(string strCharacters)
+        {
+            Debug.Assert(strCharacters != null);
+            if (strCharacters == null) throw new ArgumentNullException("strCharacters");
 
-		public bool AddCharSet(char chCharSetIdentifier)
-		{
-			bool bResult = true;
+            bool bResult = true;
+            foreach (char ch in strCharacters)
+            {
+                if (!Remove(ch)) bResult = false;
+            }
 
-			switch(chCharSetIdentifier)
-			{
-				case 'a': Add(PwCharSet.LowerCase, PwCharSet.Digits); break;
-				case 'A': Add(PwCharSet.LowerCase, PwCharSet.UpperCase,
-					PwCharSet.Digits); break;
-				case 'U': Add(PwCharSet.UpperCase, PwCharSet.Digits); break;
-				case 'c': Add(PwCharSet.LowerConsonants); break;
-				case 'C': Add(PwCharSet.LowerConsonants,
-					PwCharSet.UpperConsonants); break;
-				case 'z': Add(PwCharSet.UpperConsonants); break;
-				case 'd': Add(PwCharSet.Digits); break; // Digit
-				case 'h': Add(PwCharSet.LowerHex); break;
-				case 'H': Add(PwCharSet.UpperHex); break;
-				case 'l': Add(PwCharSet.LowerCase); break;
-				case 'L': Add(PwCharSet.LowerCase, PwCharSet.UpperCase); break;
-				case 'u': Add(PwCharSet.UpperCase); break;
-				case 'p': Add(PwCharSet.Punctuation); break;
-				case 'b': Add(PwCharSet.Brackets); break;
-				case 's': Add(PwCharSet.PrintableAsciiSpecial); break;
-				case 'S': Add(PwCharSet.UpperCase, PwCharSet.LowerCase);
-					Add(PwCharSet.Digits, PwCharSet.PrintableAsciiSpecial); break;
-				case 'v': Add(PwCharSet.LowerVowels); break;
-				case 'V': Add(PwCharSet.LowerVowels, PwCharSet.UpperVowels); break;
-				case 'Z': Add(PwCharSet.UpperVowels); break;
-				case 'x': Add(m_strHighAnsi); break;
-				default: bResult = false; break;
-			}
+            return bResult;
+        }
 
-			return bResult;
-		}
+        public bool RemoveIfAllExist(string strCharacters)
+        {
+            Debug.Assert(strCharacters != null);
+            if (strCharacters == null) throw new ArgumentNullException("strCharacters");
 
-		public bool Remove(char ch)
-		{
-			m_vTab[ch / 8] &= (byte)(~(1 << (ch % 8)));
-			return m_vChars.Remove(ch);
-		}
+            if (!Contains(strCharacters))
+                return false;
 
-		public bool Remove(string strCharacters)
-		{
-			Debug.Assert(strCharacters != null);
-			if(strCharacters == null) throw new ArgumentNullException("strCharacters");
+            return Remove(strCharacters);
+        }
 
-			bool bResult = true;
-			foreach(char ch in strCharacters)
-			{
-				if(!Remove(ch)) bResult = false;
-			}
+        /// <summary>
+        /// Convert the character set to a string containing all its characters.
+        /// </summary>
+        /// <returns>String containing all character set characters.</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder(m_lChars.Count);
+            foreach (char ch in m_lChars)
+                sb.Append(ch);
 
-			return bResult;
-		}
+            return sb.ToString();
+        }
 
-		public bool RemoveIfAllExist(string strCharacters)
-		{
-			Debug.Assert(strCharacters != null);
-			if(strCharacters == null) throw new ArgumentNullException("strCharacters");
+        public string PackAndRemoveCharRanges()
+        {
+            StringBuilder sb = new StringBuilder();
 
-			if(!Contains(strCharacters))
-				return false;
+            sb.Append(RemoveIfAllExist(PwCharSet.UpperCase) ? 'U' : '_');
+            sb.Append(RemoveIfAllExist(PwCharSet.LowerCase) ? 'L' : '_');
+            sb.Append(RemoveIfAllExist(PwCharSet.Digits) ? 'D' : '_');
+            sb.Append(RemoveIfAllExist(PwCharSet.Special) ? 'S' : '_');
+            sb.Append(RemoveIfAllExist(PwCharSet.Punctuation) ? 'P' : '_');
+            sb.Append(RemoveIfAllExist("-") ? 'm' : '_');
+            sb.Append(RemoveIfAllExist("_") ? 'u' : '_');
+            sb.Append(RemoveIfAllExist(" ") ? 's' : '_');
+            sb.Append(RemoveIfAllExist(PwCharSet.Brackets) ? 'B' : '_');
+            sb.Append(RemoveIfAllExist(PwCharSet.Latin1S) ? 'H' : '_');
 
-			return Remove(strCharacters);
-		}
+            return sb.ToString();
+        }
 
-		/// <summary>
-		/// Convert the character set to a string containing all its characters.
-		/// </summary>
-		/// <returns>String containing all character set characters.</returns>
-		public override string ToString()
-		{
-			StringBuilder sb = new StringBuilder();
-			foreach(char ch in m_vChars)
-				sb.Append(ch);
+        public void UnpackCharRanges(string strRanges)
+        {
+            if (strRanges == null) { Debug.Assert(false); return; }
+            if (strRanges.Length < 10) { Debug.Assert(false); return; }
 
-			return sb.ToString();
-		}
-
-		public string PackAndRemoveCharRanges()
-		{
-			StringBuilder sb = new StringBuilder();
-
-			sb.Append(RemoveIfAllExist(PwCharSet.UpperCase) ? 'U' : '_');
-			sb.Append(RemoveIfAllExist(PwCharSet.LowerCase) ? 'L' : '_');
-			sb.Append(RemoveIfAllExist(PwCharSet.Digits) ? 'D' : '_');
-			sb.Append(RemoveIfAllExist(m_strSpecial) ? 'S' : '_');
-			sb.Append(RemoveIfAllExist(PwCharSet.Punctuation) ? 'P' : '_');
-			sb.Append(RemoveIfAllExist(@"-") ? 'm' : '_');
-			sb.Append(RemoveIfAllExist(@"_") ? 'u' : '_');
-			sb.Append(RemoveIfAllExist(@" ") ? 's' : '_');
-			sb.Append(RemoveIfAllExist(PwCharSet.Brackets) ? 'B' : '_');
-			sb.Append(RemoveIfAllExist(m_strHighAnsi) ? 'H' : '_');
-
-			return sb.ToString();
-		}
-
-		public void UnpackCharRanges(string strRanges)
-		{
-			if(strRanges == null) { Debug.Assert(false); return; }
-			if(strRanges.Length < 10) { Debug.Assert(false); return; }
-
-			if(strRanges[0] != '_') Add(PwCharSet.UpperCase);
-			if(strRanges[1] != '_') Add(PwCharSet.LowerCase);
-			if(strRanges[2] != '_') Add(PwCharSet.Digits);
-			if(strRanges[3] != '_') Add(m_strSpecial);
-			if(strRanges[4] != '_') Add(PwCharSet.Punctuation);
-			if(strRanges[5] != '_') Add('-');
-			if(strRanges[6] != '_') Add('_');
-			if(strRanges[7] != '_') Add(' ');
-			if(strRanges[8] != '_') Add(PwCharSet.Brackets);
-			if(strRanges[9] != '_') Add(m_strHighAnsi);
-		}
-	}
+            if (strRanges[0] != '_') Add(PwCharSet.UpperCase);
+            if (strRanges[1] != '_') Add(PwCharSet.LowerCase);
+            if (strRanges[2] != '_') Add(PwCharSet.Digits);
+            if (strRanges[3] != '_') Add(PwCharSet.Special);
+            if (strRanges[4] != '_') Add(PwCharSet.Punctuation);
+            if (strRanges[5] != '_') Add('-');
+            if (strRanges[6] != '_') Add('_');
+            if (strRanges[7] != '_') Add(' ');
+            if (strRanges[8] != '_') Add(PwCharSet.Brackets);
+            if (strRanges[9] != '_') Add(PwCharSet.Latin1S);
+        }
+    }
 }

src/KeePassLib2Android/Cryptography/PasswordGenerator/PwGenerator.cs

@@ -1,6 +1,6 @@
 /*
   KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2016 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -20,133 +20,172 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.Security.Cryptography;
 using System.Text;
 
+#if !KeePassUAP
+using System.Security.Cryptography;
+#endif
+
+using KeePassLib.Resources;
 using KeePassLib.Security;
 using KeePassLib.Utility;
 
 namespace KeePassLib.Cryptography.PasswordGenerator
 {
-	public enum PwgError
-	{
-		Success = 0,
-		Unknown = 1,
-		TooFewCharacters = 2,
-		UnknownAlgorithm = 3
-	}
+    public enum PwgError
+    {
+        Success = 0,
+        Unknown = 1,
+        TooFewCharacters = 2,
+        UnknownAlgorithm = 3,
+        InvalidCharSet = 4,
+        InvalidPattern = 5
+    }
 
-	/// <summary>
-	/// Utility functions for generating random passwords.
-	/// </summary>
-	public static class PwGenerator
-	{
-		public static PwgError Generate(out ProtectedString psOut,
-			PwProfile pwProfile, byte[] pbUserEntropy,
-			CustomPwGeneratorPool pwAlgorithmPool)
-		{
-			Debug.Assert(pwProfile != null);
-			if (pwProfile == null) throw new ArgumentNullException("pwProfile");
+    /// <summary>
+    /// Password generator.
+    /// </summary>
+    public static class PwGenerator
+    {
 
-			CryptoRandomStream crs = CreateCryptoStream(pbUserEntropy);
-			PwgError e = PwgError.Unknown;
+        private static CryptoRandomStream CreateRandomStream(byte[] pbAdditionalEntropy,
+            out byte[] pbKey)
+        {
+            pbKey = CryptoRandom.Instance.GetRandomBytes(128);
 
-			if (pwProfile.GeneratorType == PasswordGeneratorType.CharSet)
-				e = CharSetBasedGenerator.Generate(out psOut, pwProfile, crs);
-			else if (pwProfile.GeneratorType == PasswordGeneratorType.Pattern)
-				e = PatternBasedGenerator.Generate(out psOut, pwProfile, crs);
-			else if (pwProfile.GeneratorType == PasswordGeneratorType.Custom)
-				e = GenerateCustom(out psOut, pwProfile, crs, pwAlgorithmPool);
-			else { Debug.Assert(false); psOut = ProtectedString.Empty; }
+            // Mix in additional entropy
+            Debug.Assert(pbKey.Length >= 64);
+            if ((pbAdditionalEntropy != null) && (pbAdditionalEntropy.Length != 0))
+            {
+                using (SHA512Managed h = new SHA512Managed())
+                {
+                    byte[] pbHash = h.ComputeHash(pbAdditionalEntropy);
+                    MemUtil.XorArray(pbHash, 0, pbKey, 0, pbHash.Length);
+                    MemUtil.ZeroByteArray(pbHash);
+                }
+            }
 
-			return e;
-		}
+            return new CryptoRandomStream(CrsAlgorithm.ChaCha20, pbKey);
+        }
 
-		private static CryptoRandomStream CreateCryptoStream(byte[] pbAdditionalEntropy)
-		{
-			byte[] pbKey = CryptoRandom.Instance.GetRandomBytes(128);
+        internal static char GenerateCharacter(PwCharSet pwCharSet,
+            CryptoRandomStream crsRandomSource)
+        {
+            uint cc = pwCharSet.Size;
+            if (cc == 0) return char.MinValue;
 
-			// Mix in additional entropy
-			Debug.Assert(pbKey.Length >= 64);
-			if ((pbAdditionalEntropy != null) && (pbAdditionalEntropy.Length > 0))
-			{
-				using (SHA512Managed h = new SHA512Managed())
-				{
-					byte[] pbHash = h.ComputeHash(pbAdditionalEntropy);
-					MemUtil.XorArray(pbHash, 0, pbKey, 0, pbHash.Length);
-				}
-			}
+            uint i = (uint)crsRandomSource.GetRandomUInt64(cc);
+            return pwCharSet[i];
+        }
 
-			return new CryptoRandomStream(CrsAlgorithm.ChaCha20, pbKey);
-		}
+        internal static bool PrepareCharSet(PwCharSet pwCharSet, PwProfile pwProfile)
+        {
+            uint cc = pwCharSet.Size;
+            for (uint i = 0; i < cc; ++i)
+            {
+                char ch = pwCharSet[i];
+                if ((ch == char.MinValue) || (ch == '\t') || (ch == '\r') ||
+                    (ch == '\n') || char.IsSurrogate(ch))
+                    return false;
+            }
 
-		internal static char GenerateCharacter(PwProfile pwProfile,
-			PwCharSet pwCharSet, CryptoRandomStream crsRandomSource)
-		{
-			if (pwCharSet.Size == 0) return char.MinValue;
+            if (pwProfile.ExcludeLookAlike) pwCharSet.Remove(PwCharSet.LookAlike);
 
-			ulong uIndex = crsRandomSource.GetRandomUInt64();
-			uIndex %= (ulong)pwCharSet.Size;
+            if (!string.IsNullOrEmpty(pwProfile.ExcludeCharacters))
+                pwCharSet.Remove(pwProfile.ExcludeCharacters);
 
-			char ch = pwCharSet[(uint)uIndex];
+            return true;
+        }
 
-			if (pwProfile.NoRepeatingCharacters)
-				pwCharSet.Remove(ch);
+        internal static void Shuffle(char[] v, CryptoRandomStream crsRandomSource)
+        {
+            if (v == null) { Debug.Assert(false); return; }
+            if (crsRandomSource == null) { Debug.Assert(false); return; }
 
-			return ch;
-		}
+            for (int i = v.Length - 1; i >= 1; --i)
+            {
+                int j = (int)crsRandomSource.GetRandomUInt64((ulong)(i + 1));
 
-		internal static void PrepareCharSet(PwCharSet pwCharSet, PwProfile pwProfile)
-		{
-			pwCharSet.Remove(PwCharSet.Invalid);
+                char t = v[i];
+                v[i] = v[j];
+                v[j] = t;
+            }
+        }
 
-			if (pwProfile.ExcludeLookAlike) pwCharSet.Remove(PwCharSet.LookAlike);
+        private static PwgError GenerateCustom(out ProtectedString psOut,
+            PwProfile pwProfile, CryptoRandomStream crs,
+            CustomPwGeneratorPool pwAlgorithmPool)
+        {
+            psOut = ProtectedString.Empty;
 
-			if (pwProfile.ExcludeCharacters.Length > 0)
-				pwCharSet.Remove(pwProfile.ExcludeCharacters);
-		}
+            Debug.Assert(pwProfile.GeneratorType == PasswordGeneratorType.Custom);
+            if (pwAlgorithmPool == null) return PwgError.UnknownAlgorithm;
 
-		internal static void ShufflePassword(char[] pPassword,
-			CryptoRandomStream crsRandomSource)
-		{
-			Debug.Assert(pPassword != null); if (pPassword == null) return;
-			Debug.Assert(crsRandomSource != null); if (crsRandomSource == null) return;
+            string strID = pwProfile.CustomAlgorithmUuid;
+            if (string.IsNullOrEmpty(strID)) return PwgError.UnknownAlgorithm;
 
-			if (pPassword.Length <= 1) return; // Nothing to shuffle
+            byte[] pbUuid = Convert.FromBase64String(strID);
+            PwUuid uuid = new PwUuid(pbUuid);
+            CustomPwGenerator pwg = pwAlgorithmPool.Find(uuid);
+            if (pwg == null) { Debug.Assert(false); return PwgError.UnknownAlgorithm; }
 
-			for (int nSelect = 0; nSelect < pPassword.Length; ++nSelect)
-			{
-				ulong uRandomIndex = crsRandomSource.GetRandomUInt64();
-				uRandomIndex %= (ulong)(pPassword.Length - nSelect);
+            ProtectedString pwd = pwg.Generate(pwProfile.CloneDeep(), crs);
+            if (pwd == null) return PwgError.Unknown;
 
-				char chTemp = pPassword[nSelect];
-				pPassword[nSelect] = pPassword[nSelect + (int)uRandomIndex];
-				pPassword[nSelect + (int)uRandomIndex] = chTemp;
-			}
-		}
+            psOut = pwd;
+            return PwgError.Success;
+        }
 
-		private static PwgError GenerateCustom(out ProtectedString psOut,
-			PwProfile pwProfile, CryptoRandomStream crs,
-			CustomPwGeneratorPool pwAlgorithmPool)
-		{
-			psOut = ProtectedString.Empty;
+        internal static string ErrorToString(PwgError e, bool bHeader)
+        {
+            if (e == PwgError.Success) { Debug.Assert(false); return string.Empty; }
+            if ((e == PwgError.Unknown) && bHeader) return KLRes.PwGenFailed;
 
-			Debug.Assert(pwProfile.GeneratorType == PasswordGeneratorType.Custom);
-			if (pwAlgorithmPool == null) return PwgError.UnknownAlgorithm;
+            string str = KLRes.UnknownError;
+            switch (e)
+            {
+                // case PwgError.Success:
+                //	break;
 
-			string strID = pwProfile.CustomAlgorithmUuid;
-			if (string.IsNullOrEmpty(strID)) { Debug.Assert(false); return PwgError.UnknownAlgorithm; }
+                case PwgError.Unknown:
+                    break;
 
-			byte[] pbUuid = Convert.FromBase64String(strID);
-			PwUuid uuid = new PwUuid(pbUuid);
-			CustomPwGenerator pwg = pwAlgorithmPool.Find(uuid);
-			if (pwg == null) { Debug.Assert(false); return PwgError.UnknownAlgorithm; }
+                case PwgError.TooFewCharacters:
+                    str = KLRes.CharSetTooFewChars;
+                    break;
 
-			ProtectedString pwd = pwg.Generate(pwProfile.CloneDeep(), crs);
-			if (pwd == null) return PwgError.Unknown;
+                case PwgError.UnknownAlgorithm:
+                    str = KLRes.AlgorithmUnknown;
+                    break;
 
-			psOut = pwd;
-			return PwgError.Success;
-		}
-	}
+                case PwgError.InvalidCharSet:
+                    str = KLRes.CharSetInvalid;
+                    break;
+
+                case PwgError.InvalidPattern:
+                    str = KLRes.PatternInvalid;
+                    break;
+
+                default:
+                    Debug.Assert(false);
+                    break;
+            }
+
+            if (bHeader)
+                str = KLRes.PwGenFailed + MessageService.NewParagraph + str;
+
+            return str;
+        }
+
+        internal static string ErrorToString(Exception ex, bool bHeader)
+        {
+            string str = ((ex == null) ? KLRes.UnknownError :
+                StrUtil.FormatException(ex));
+
+            if (bHeader)
+                str = KLRes.PwGenFailed + MessageService.NewParagraph + str;
+
+            return str;
+        }
+    }
 }

src/KeePassLib2Android/Cryptography/PopularPasswords.cs

@@ -1,6 +1,6 @@
 /*
   KeePass Password Safe - The Open-Source Password Manager
-  Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
+  Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -19,114 +19,115 @@
 
 using System;
 using System.Collections.Generic;
-using System.Text;
 using System.Diagnostics;
+using System.Text;
 
 using KeePassLib.Utility;
 
 namespace KeePassLib.Cryptography
 {
-	public static class PopularPasswords
-	{
-		private static Dictionary<int, Dictionary<string, bool>> m_dicts =
-			new Dictionary<int, Dictionary<string, bool>>();
+    public static class PopularPasswords
+    {
+        private static readonly Dictionary<int, Dictionary<char[], bool>> g_dicts =
+            new Dictionary<int, Dictionary<char[], bool>>();
 
-		internal static int MaxLength
-		{
-			get
-			{
-				int iMaxLen = 0;
-				foreach(int iLen in m_dicts.Keys)
-				{
-					if(iLen > iMaxLen) iMaxLen = iLen;
-				}
+        internal static int MaxLength
+        {
+            get
+            {
+                Debug.Assert(g_dicts.Count > 0); // Should be initialized
 
-				return iMaxLen;
-			}
-		}
+                int iMaxLen = 0;
+                foreach (int iLen in g_dicts.Keys)
+                {
+                    if (iLen > iMaxLen) iMaxLen = iLen;
+                }
 
-		internal static bool ContainsLength(int nLength)
-		{
-			Dictionary<string, bool> dDummy;
-			return m_dicts.TryGetValue(nLength, out dDummy);
-		}
+                return iMaxLen;
+            }
+        }
 
-		public static bool IsPopularPassword(char[] vPassword)
-		{
-			ulong uDummy;
-			return IsPopularPassword(vPassword, out uDummy);
-		}
+        internal static bool ContainsLength(int nLength)
+        {
+            Dictionary<char[], bool> dDummy;
+            return g_dicts.TryGetValue(nLength, out dDummy);
+        }
 
-		public static bool IsPopularPassword(char[] vPassword, out ulong uDictSize)
-		{
-			if(vPassword == null) throw new ArgumentNullException("vPassword");
-			if(vPassword.Length == 0) { uDictSize = 0; return false; }
+        public static bool IsPopularPassword(char[] vPassword)
+        {
+            ulong uDummy;
+            return IsPopularPassword(vPassword, out uDummy);
+        }
 
-			string str = new string(vPassword);
+        public static bool IsPopularPassword(char[] vPassword, out ulong uDictSize)
+        {
+            if (vPassword == null) throw new ArgumentNullException("vPassword");
+            if (vPassword.Length == 0) { uDictSize = 0; return false; }
 
-			try { return IsPopularPasswordPriv(str, out uDictSize); }
-			catch(Exception) { Debug.Assert(false); }
+#if DEBUG
+            Array.ForEach(vPassword, ch => Debug.Assert(ch == char.ToLower(ch)));
+#endif
 
-			uDictSize = 0;
-			return false;
-		}
+            try { return IsPopularPasswordPriv(vPassword, out uDictSize); }
+            catch (Exception) { Debug.Assert(false); }
 
-		private static bool IsPopularPasswordPriv(string str, out ulong uDictSize)
-		{
-			Debug.Assert(m_dicts.Count > 0); // Should be initialized with data
+            uDictSize = 0;
+            return false;
+        }
 
-			Dictionary<string, bool> d;
-			if(!m_dicts.TryGetValue(str.Length, out d))
-			{
-				uDictSize = 0;
-				return false;
-			}
+        private static bool IsPopularPasswordPriv(char[] vPassword, out ulong uDictSize)
+        {
+            Debug.Assert(g_dicts.Count > 0); // Should be initialized with data
 
-			uDictSize = (ulong)d.Count;
-			return d.ContainsKey(str);
-		}
+            Dictionary<char[], bool> d;
+            if (!g_dicts.TryGetValue(vPassword.Length, out d))
+            {
+                uDictSize = 0;
+                return false;
+            }
 
-		public static void Add(byte[] pbData, bool bGZipped)
-		{
-			try
-			{
-				if(bGZipped)
-					pbData = MemUtil.Decompress(pbData);
+            uDictSize = (ulong)d.Count;
+            return d.ContainsKey(vPassword);
+        }
 
-				string strData = StrUtil.Utf8.GetString(pbData, 0, pbData.Length);
-				if(string.IsNullOrEmpty(strData)) { Debug.Assert(false); return; }
+        public static void Add(byte[] pbData, bool bGZipped)
+        {
+            try
+            {
+                if (bGZipped)
+                    pbData = MemUtil.Decompress(pbData);
 
-				if(!char.IsWhiteSpace(strData[strData.Length - 1]))
-					strData += "\n";
+                string strData = StrUtil.Utf8.GetString(pbData, 0, pbData.Length);
+                if (string.IsNullOrEmpty(strData)) { Debug.Assert(false); return; }
 
-				StringBuilder sb = new StringBuilder();
-				for(int i = 0; i < strData.Length; ++i)
-				{
-					char ch = strData[i];
+                StringBuilder sb = new StringBuilder();
+                for (int i = 0; i <= strData.Length; ++i)
+                {
+                    char ch = ((i == strData.Length) ? ' ' : strData[i]);
 
-					if(char.IsWhiteSpace(ch))
-					{
-						int cc = sb.Length;
-						if(cc > 0)
-						{
-							string strWord = sb.ToString();
-							Debug.Assert(strWord.Length == cc);
+                    if (char.IsWhiteSpace(ch))
+                    {
+                        int cc = sb.Length;
+                        if (cc > 0)
+                        {
+                            char[] vWord = new char[cc];
+                            sb.CopyTo(0, vWord, 0, cc);
 
-							Dictionary<string, bool> d;
-							if(!m_dicts.TryGetValue(cc, out d))
-							{
-								d = new Dictionary<string, bool>();
-								m_dicts[cc] = d;
-							}
+                            Dictionary<char[], bool> d;
+                            if (!g_dicts.TryGetValue(cc, out d))
+                            {
+                                d = new Dictionary<char[], bool>(MemUtil.ArrayHelperExOfChar);
+                                g_dicts[cc] = d;
+                            }
 
-							d[strWord] = true;
-							sb.Remove(0, cc);
-						}
-					}
-					else sb.Append(char.ToLower(ch));
-				}
-			}
-			catch(Exception) { Debug.Assert(false); }
-		}
-	}
+                            d[vWord] = true;
+                            sb.Remove(0, cc);
+                        }
+                    }
+                    else sb.Append(char.ToLower(ch));
+                }
+            }
+            catch (Exception) { Debug.Assert(false); }
+        }
+    }
 }

src/KeePassLib2Android/Delegates/Handlers.cs

@@ -46,4 +46,12 @@ namespace KeePassLib.Delegates
 	public delegate void VoidDelegate();
 
 	public delegate string StrPwEntryDelegate(string str, PwEntry pe);
+
+    public delegate TResult GFunc<TResult>();
+    public delegate TResult GFunc<T, TResult>(T o);
+    public delegate TResult GFunc<T1, T2, TResult>(T1 o1, T2 o2);
+    public delegate TResult GFunc<T1, T2, T3, TResult>(T1 o1, T2 o2, T3 o3);
+    public delegate TResult GFunc<T1, T2, T3, T4, TResult>(T1 o1, T2 o2, T3 o3, T4 o4);
+    public delegate TResult GFunc<T1, T2, T3, T4, T5, TResult>(T1 o1, T2 o2, T3 o3, T4 o4, T5 o5);
+    public delegate TResult GFunc<T1, T2, T3, T4, T5, T6, TResult>(T1 o1, T2 o2, T3 o3, T4 o4, T5 o5, T6 o6);
 }

src/KeePassLib2Android/KeePassLib2Android.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/KeePassLib2Android/Kp2aLog.cs

@@ -116,12 +116,23 @@ namespace keepass2android
 				
 			Intent sendIntent = new Intent();
 			sendIntent.SetAction(Intent.ActionSend);
-			sendIntent.PutExtra(Intent.ExtraText, File.ReadAllText(LogFilename));
+            string logText = File.ReadAllText(LogFilename);
+
+            sendIntent.PutExtra(Intent.ExtraText, logText);
 			sendIntent.PutExtra(Intent.ExtraEmail, "crocoapps@gmail.com");
 			sendIntent.PutExtra(Intent.ExtraSubject, "Keepass2Android log");
 			sendIntent.SetType("text/plain");
-			ctx.StartActivity(Intent.CreateChooser(sendIntent, "Send log to..."));
-		}
+            try
+            {
+                ctx.StartActivity(Intent.CreateChooser(sendIntent, "Send log to..."));
+            }
+            catch (Exception e)
+            {
+				Toast.MakeText(ctx, $"Error sending log of length {logText.Length} bytes: " + e.Message, ToastLength.Long)?.Show();
+
+            }
+
+        }
 
         public static void LogTask(object task, string activityName)
         {

src/KeePassLib2Android/Serialization/KdbxFile.Read.cs

@@ -83,6 +83,7 @@ namespace KeePassLib.Serialization
 			if (m_bUsedOnce)
 				throw new InvalidOperationException("Do not reuse KdbxFile objects!");
 			m_bUsedOnce = true;
+			Kp2aLog.Log("Starting to load KDBX file...");
 
 #if KDBX_BENCHMARK
 			Stopwatch swTime = Stopwatch.StartNew();
@@ -257,7 +258,8 @@ namespace KeePassLib.Serialization
 			MessageService.ShowInfo("Loading KDBX took " +
 				swTime.ElapsedMilliseconds.ToString() + " ms.");
 #endif
-		}
+            Kp2aLog.Log("Finished loading KDBX file.");
+        }
 
 		private void CommonCleanUpRead(List<Stream> lStreams, HashingStreamEx sHashing)
 		{

src/Kp2aAutofillParser.Tests/AutofillTest.cs

@@ -95,7 +95,7 @@ namespace Kp2aAutofillParserTest
             StructureParserBase<TestInputField> parser =
                 new StructureParserBase<TestInputField>(new TestLogger(), new TestDalSourceTrustAll());
 
-            var result = parser.ParseForFill(false, autofillView);
+            var result = parser.ParseForFill(autofillView);
             if (expectedPackageName != null)
                 Assert.Equal(expectedPackageName, result.PackageName);
             if (expectedWebDomain != null)

src/Kp2aAutofillParser.Tests/com-servicenet-mobile-no-focus.json

@@ -58,7 +58,8 @@
       "IsFocused": false,
       "InputType": 97,
       "HtmlInfoTag": null,
-      "HtmlInfoTypeAttribute": null
+      "HtmlInfoTypeAttribute": null,
+      "ExpectedAssignedHints": [ "username" ]
     },
     {
       "IdEntry": "password_text_input_layout",
@@ -81,6 +82,7 @@
       "InputType": 129,
       "HtmlInfoTag": null,
       "HtmlInfoTypeAttribute": null,
+      "ExpectedAssignedHints": [ "password" ]
 
     },
     {

src/Kp2aAutofillParser/AutofillParser.cs

@@ -476,8 +476,16 @@ namespace Kp2aAutofillParser
 
             foreach (var field in autofillFields.HintMap.Values.Distinct())
             {
+                if (field == null || field.AutofillHints == null)
+                {
+                    continue;
+                }
                 foreach (var hint in field.AutofillHints)
                 {
+                    if (hint == null)
+                    {
+                        continue;
+                    }
                     if (GetPartitionIndex(hint) == partitionIndex)
                     {
                         filteredCollection.Add(field);
@@ -793,14 +801,14 @@ namespace Kp2aAutofillParser
             }
         }
 
-        public AutofillTargetId ParseForFill(bool isManual, AutofillView<FieldT> autofillView)
+        public AutofillTargetId ParseForFill(AutofillView<FieldT> autofillView)
         {
-            return Parse(true, isManual, autofillView);
+            return Parse(true, autofillView);
         }
 
         public AutofillTargetId ParseForSave(AutofillView<FieldT> autofillView)
         {
-            return Parse(false, true, autofillView);
+            return Parse(false, autofillView);
         }
 
         /// <summary>
@@ -808,8 +816,7 @@ namespace Kp2aAutofillParser
         /// </summary>
         /// <returns>The parse.</returns>
         /// <param name="forFill">If set to <c>true</c> for fill.</param>
-        /// <param name="isManualRequest"></param>
-        protected virtual AutofillTargetId Parse(bool forFill, bool isManualRequest, AutofillView<FieldT> autofillView)
+        protected virtual AutofillTargetId Parse(bool forFill, AutofillView<FieldT> autofillView)
         {
             AutofillTargetId result = new AutofillTargetId()
             {
@@ -876,8 +883,9 @@ namespace Kp2aAutofillParser
                     
                 }
 
-                //for "heuristic determination" we demand that one of the filled fields is focused:
-                if (passwordFields.Concat(usernameFields).Any(f => f.IsFocused))
+                //for "heuristic determination" we demand that there is a password field or one of the username fields is focused:
+                //Note that "IsFocused" might be false even when tapping the field. It might require long-press to autofill.
+                if (passwordFields.Any() || usernameFields.Any(f => f.IsFocused))
                 {
                     foreach (var uf in usernameFields)
                         AddFieldToHintMap(uf, new string[] { AutofillHintsHelper.AutofillHintUsername });

src/Kp2aBusinessLogic/IKp2aApp.cs

@@ -29,6 +29,14 @@ namespace keepass2android
 
 	}
 
+
+    public enum MessageSeverity
+    {
+        Info,
+        Warning,
+        Error
+    }
+
     /// <summary>
 	/// Interface through which Activities and the logic layer can access some app specific functionalities and Application static data
 	/// </summary>
@@ -102,10 +110,13 @@ namespace keepass2android
 		                    Context ctx,
 		                    string messageSuffix = "");
 
-		/// <summary>
-		/// Returns a Handler object which can run tasks on the UI thread
-		/// </summary>
-		Handler UiThreadHandler { get; }
+        void ShowMessage(Context ctx, int resourceId, MessageSeverity severity);
+        void ShowMessage(Context ctx, string text, MessageSeverity severity);
+
+        /// <summary>
+        /// Returns a Handler object which can run tasks on the UI thread
+        /// </summary>
+        Handler UiThreadHandler { get; }
 
 		IProgressDialog CreateProgressDialog(Context ctx);
 
@@ -129,6 +140,10 @@ namespace keepass2android
 
 
 #endif
+        int WebDavChunkedUploadSize
+        {
+            get;
+        }
 	    
 	}
 }

src/Kp2aBusinessLogic/Io/BuiltInFileStorage.cs

@@ -13,7 +13,7 @@ using Android.Content.PM;
 using Android.OS;
 using Android.Preferences;
 using Java.IO;
-
+using KeePass.Util;
 using KeePassLib.Serialization;
 using KeePassLib.Utility;
 using File = System.IO.File;
@@ -121,7 +121,7 @@ namespace keepass2android.Io
 			var response = ex.Response as HttpWebResponse;
 			if ((response != null) && (response.StatusCode == HttpStatusCode.NotFound))
 			{
-				throw new FileNotFoundException(ex.Message, ioc.Path, ex);
+				throw new FileNotFoundException(ExceptionUtil.GetErrorMessage(ex), ioc.Path, ex);
 			}
 			if (ex.Status == WebExceptionStatus.TrustFailure)
 			{

src/Kp2aBusinessLogic/Io/DropboxFileStorage.cs

@@ -15,7 +15,9 @@ namespace keepass2android.Io
 	    {
 	        get { return false; }
 	    }
-	}
+
+        static public bool IsConfigured => !string.IsNullOrEmpty(AppKey) && !string.IsNullOrEmpty(AppSecret);
+    }
 
 	public partial class DropboxAppFolderFileStorage: JavaFileStorage
 	{
@@ -29,6 +31,7 @@ namespace keepass2android.Io
 	        get { return false; }
 	    }
 
+        static public bool IsConfigured => !string.IsNullOrEmpty(AppKey) && !string.IsNullOrEmpty(AppSecret);
     }
 	
 }

src/Kp2aBusinessLogic/Io/DropboxFileStorageKeysDummy.cs

@@ -1,13 +0,0 @@
-namespace keepass2android.Io
-{
-	public partial class DropboxFileStorage
-	{
-		private const string AppKey = "dummy";
-		private const string AppSecret = "dummy";
-	}
-	public partial class DropboxAppFolderFileStorage
-	{
-		private const string AppKey = "dummy";
-		private const string AppSecret = "dummy";
-	}
-}

src/Kp2aBusinessLogic/Io/GenerateSecrets.targets

@@ -0,0 +1,27 @@
+<Project>
+  <Target Name="GenerateDropboxSecrets" BeforeTargets="BeforeCompile"
+  Inputs="@(DropboxSecretLines)"
+  Outputs="DropboxFileStorage.g.cs">
+
+    <WriteLinesToFile
+    File="Io/DropboxFileStorage.g.cs"
+      Lines="@(DropboxSecretLines->'%(Text)')"
+      Overwrite="true"
+      />
+  </Target>
+
+  <ItemGroup>
+    <DropboxSecretLines Include="GeneratedDropboxSecrets">
+      <Text>namespace keepass2android.Io {
+    public partial class DropboxFileStorage {
+      private const string AppKey = "$(DropboxAppKey)";
+      private const string AppSecret = "$(DropboxAppSecret)";
+    }
+    public partial class DropboxAppFolderFileStorage {
+      private const string AppKey = "$(DropboxAppFolderAppKey)";
+      private const string AppSecret = "$(DropboxAppFolderAppSecret)";
+    }
+  }</Text>
+    </DropboxSecretLines>
+  </ItemGroup>
+</Project>

src/Kp2aBusinessLogic/Io/JavaFileStorage.cs

@@ -13,6 +13,7 @@ using Keepass2android.Javafilestorage;
 #endif
 using Exception = System.Exception;
 using FileNotFoundException = Java.IO.FileNotFoundException;
+using KeePass.Util;
 
 namespace keepass2android.Io
 {
@@ -42,7 +43,7 @@ namespace keepass2android.Io
 			}
 			catch (FileNotFoundException e)
 			{
-				throw new System.IO.FileNotFoundException(e.Message, e);
+				throw new System.IO.FileNotFoundException(ExceptionUtil.GetErrorMessage(e), e);
 			}
 			catch (Java.Lang.Exception e)
 			{
@@ -122,7 +123,7 @@ namespace keepass2android.Io
 
 		}
 
-		public IWriteTransaction OpenWriteTransaction(IOConnectionInfo ioc, bool useFileTransaction)
+		public virtual IWriteTransaction OpenWriteTransaction(IOConnectionInfo ioc, bool useFileTransaction)
 		{
 			return new JavaFileStorageWriteTransaction(IocToPath(ioc), useFileTransaction, this);
 		}
@@ -195,7 +196,7 @@ namespace keepass2android.Io
 			}
 			catch (FileNotFoundException e)
 			{
-				throw new System.IO.FileNotFoundException(e.Message, e);
+				throw new System.IO.FileNotFoundException(ExceptionUtil.GetErrorMessage(e), e);
 			}
 			catch (Java.Lang.Exception e)
 			{
@@ -214,7 +215,7 @@ namespace keepass2android.Io
 			}
 			catch (FileNotFoundException e)
 			{
-				throw new System.IO.FileNotFoundException(e.Message, e);
+				throw new System.IO.FileNotFoundException(ExceptionUtil.GetErrorMessage(e), e);
 			}
 			catch (Java.Lang.Exception e)
 			{
@@ -244,7 +245,7 @@ namespace keepass2android.Io
 			}
 			catch (FileNotFoundException e)
 			{
-				throw new System.IO.FileNotFoundException(e.Message, e);
+				throw new System.IO.FileNotFoundException(ExceptionUtil.GetErrorMessage(e), e);
 			}
 			catch (Java.Lang.Exception e)
 			{

src/Kp2aBusinessLogic/Io/NetFtpFileStorage.cs

@@ -8,6 +8,8 @@ using Android.Content;
 using Android.OS;
 using FluentFTP;
 using FluentFTP.Exceptions;
+using FluentFTP.GnuTLS;
+using KeePass.Util;
 using KeePassLib;
 using KeePassLib.Serialization;
 using KeePassLib.Utility;
@@ -127,7 +129,7 @@ namespace keepass2android.Io
 				var ftpEx = (FtpCommandException) exception;
 
 				if (ftpEx.CompletionCode == "550")
-					throw new FileNotFoundException(exception.Message, exception);
+					throw new FileNotFoundException(ExceptionUtil.GetErrorMessage(exception), exception);
 			}
 
 			return exception;
@@ -139,6 +141,7 @@ namespace keepass2android.Io
 			var settings = ConnectionSettings.FromIoc(ioc);
 			
 			FtpClient client = new FtpClient();
+            client.Config.CustomStream = typeof(GnuTlsStream);
 			client.Config.RetryAttempts = 3;
 			if ((settings.Username.Length > 0) || (settings.Password.Length > 0))
 				client.Credentials = new NetworkCredential(settings.Username, settings.Password);

src/Kp2aBusinessLogic/Io/OneDrive2FileStorage.cs

@@ -3,6 +3,7 @@ using System.Reflection;
 using System.Text;
 using Android.Content;
 using Android.Util;
+using KeePass.Util;
 using keepass2android.Io.ItemLocation;
 using KeePassLib.Serialization;
 using KeePassLib.Utility;
@@ -522,10 +523,10 @@ namespace keepass2android.Io
         {
 
             if (e.IsMatch(GraphErrorCode.ItemNotFound.ToString()))
-                return new FileNotFoundException(e.Message);
+                return new FileNotFoundException(ExceptionUtil.GetErrorMessage(e));
             if (e.Message.Contains("\n\n404 : ")
             ) //hacky solution to check for not found. errorCode was null in my tests so I had to find a workaround.
-                return new FileNotFoundException(e.Message);
+                return new FileNotFoundException(ExceptionUtil.GetErrorMessage(e));
             return e;
         }
 

src/Kp2aBusinessLogic/Io/OneDriveFileStorage.cs

@@ -16,20 +16,32 @@ namespace keepass2android.Io
     /// </summary>
 	public class OneDriveFileStorage: IFileStorage
 	{
-		
-		public IEnumerable<string> SupportedProtocols
+        public OneDriveFileStorage(IKp2aApp app)
+        {
+            _app = app;
+        }
+
+        private readonly IKp2aApp _app;
+
+        public IEnumerable<string> SupportedProtocols
 		{
 			get
 			{
 				yield return "skydrive";
 				yield return "onedrive";
-			}
+            }
 		}
 
-        private Exception GetDeprecatedMessage()
+        string GetDeprecatedMessage()
+        {
+            return
+                "You have opened your file through a deprecated Microsoft API. Please select Change database, Open Database and then select OneDrive again.";
+        }
+
+        private Exception GetDeprecatedException()
         {
             return new Exception(
-                "You have opened your file through a deprecated Microsoft API. Please select Change database, Open Database and then select One Drive again.");
+                GetDeprecatedMessage());
         }
 
 	    public bool UserShouldBackup
@@ -39,133 +51,132 @@ namespace keepass2android.Io
 
         public void Delete(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public bool CheckForFileChangeFast(IOConnectionInfo ioc, string previousFileVersion)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public string GetCurrentFileVersionFast(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public Stream OpenFileForRead(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public IWriteTransaction OpenWriteTransaction(IOConnectionInfo ioc, bool useFileTransaction)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public string GetFilenameWithoutPathAndExt(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public string GetFileExtension(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public bool RequiresCredentials(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            return false;
         }
 
         public void CreateDirectory(IOConnectionInfo ioc, string newDirName)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public IEnumerable<FileDescription> ListContents(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public FileDescription GetFileDescription(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public bool RequiresSetup(IOConnectionInfo ioConnection)
         {
-            throw GetDeprecatedMessage();
+            return false;
         }
 
         public string IocToPath(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public void StartSelectFile(IFileStorageSetupInitiatorActivity activity, bool isForSave, int requestCode, string protocolId)
         {
-            throw GetDeprecatedMessage();
+            
         }
 
         public void PrepareFileUsage(IFileStorageSetupInitiatorActivity activity, IOConnectionInfo ioc, int requestCode,
             bool alwaysReturnSuccess)
         {
-            throw GetDeprecatedMessage();
+            _app.ShowMessage(activity.Activity, GetDeprecatedMessage(), MessageSeverity.Error);
+
         }
 
         public void PrepareFileUsage(Context ctx, IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            
         }
 
         public void OnCreate(IFileStorageSetupActivity activity, Bundle savedInstanceState)
         {
-            throw GetDeprecatedMessage();
+            
         }
 
         public void OnResume(IFileStorageSetupActivity activity)
         {
-            throw GetDeprecatedMessage();
+            
         }
 
         public void OnStart(IFileStorageSetupActivity activity)
         {
-            throw GetDeprecatedMessage();
         }
 
         public void OnActivityResult(IFileStorageSetupActivity activity, int requestCode, int resultCode, Intent data)
         {
-            throw GetDeprecatedMessage();
         }
 
         public string GetDisplayName(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            return "File using deprecated Microsoft API. Please update.";
         }
 
         public string CreateFilePath(string parent, string newFilename)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public IOConnectionInfo GetParentPath(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public IOConnectionInfo GetFilePath(IOConnectionInfo folderPath, string filename)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public bool IsPermanentLocation(IOConnectionInfo ioc)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
 
         public bool IsReadOnly(IOConnectionInfo ioc, OptionalOut<UiStringKey> reason = null)
         {
-            throw GetDeprecatedMessage();
+            throw GetDeprecatedException();
         }
     }
 }

src/Kp2aBusinessLogic/Io/SmbFileStorage.cs

@@ -0,0 +1,617 @@
+#if !NoNet
+using System.Net;
+using Android.Content;
+using keepass2android;
+using keepass2android.Io;
+using KeePassLib.Serialization;
+using SMBLibrary.Client;
+using SMBLibrary;
+using FileAttributes = SMBLibrary.FileAttributes;
+using KeePassLib.Utility;
+using Java.Nio.FileNio;
+
+namespace Kp2aBusinessLogic.Io
+{
+    public class SmbFileStorage : IFileStorage
+    {
+        public IEnumerable<string> SupportedProtocols
+        {
+            get { yield return "smb"; }
+        }
+
+        public bool UserShouldBackup
+        {
+            get { return false; }
+        }
+
+        public void Delete(IOConnectionInfo ioc)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool CheckForFileChangeFast(IOConnectionInfo ioc, string previousFileVersion)
+        {
+            return false;
+        }
+
+        public string GetCurrentFileVersionFast(IOConnectionInfo ioc)
+        {
+            return null;
+        }
+
+        public struct SmbConnectionInfo
+        {
+            public string Host;
+            public string Username;
+            public string Password;
+            public string? Domain;
+            public string? Share;
+            public string? LocalPath;
+
+            public static SmbConnectionInfo FromUrlAndCredentials(string url, string username, string password, string? domain)
+            {
+                string userDomain = username;
+                if (domain != null)
+                {
+                    userDomain = domain + "\\" + username;
+                }
+                if (url.StartsWith("smb://"))
+                {
+                    url = url.Substring(6);
+                }
+
+                if (url.StartsWith("\\\\"))
+                {
+                    url = url.Substring(2);
+                }
+
+                url = url.Replace("\\", "/");
+            
+                string fullPath = "smb://" + WebUtility.UrlEncode(userDomain) + ":" + WebUtility.UrlEncode(password) + "@" + url;
+                return new SmbConnectionInfo(new IOConnectionInfo() { Path = fullPath} );
+            }
+
+
+            public SmbConnectionInfo(IOConnectionInfo ioc)
+            {
+                string fullpath = ioc.Path;
+                if (!fullpath.StartsWith("smb://"))
+                {
+                    throw new Exception("Invalid smb path!");
+                }
+
+                fullpath = fullpath.Substring(6);
+                string[] authAndPath = fullpath.Split('@');
+                if (authAndPath.Length != 2)
+                {
+                    throw new Exception("Invalid smb path!");
+                }
+
+                string[] userAndPwd = authAndPath[0].Split(':');
+                if (userAndPwd.Length != 2)
+                {
+                    throw new Exception("Invalid smb path!");
+                }
+
+                string[] pathParts = authAndPath[1].Split('/');
+                if (pathParts.Length < 1)
+                {
+                    throw new Exception("Invalid smb path!");
+                }
+
+                Host = pathParts[0];
+                if (pathParts.Length > 1)
+                {
+                    Share = pathParts[1];
+                }
+                LocalPath = String.Join("/", pathParts.Skip(2));
+                if (LocalPath.EndsWith("/"))
+                {
+                    LocalPath = LocalPath.Substring(0, LocalPath.Length - 1);
+                }
+            
+                Username = WebUtility.UrlDecode(userAndPwd[0]);
+                if (Username.Contains("\\"))
+                {
+                    string[] domainAndUser = Username.Split('\\');
+                    Domain = domainAndUser[0];
+                    Username = domainAndUser[1];
+                }
+                else Domain = null;
+
+                Password = WebUtility.UrlDecode(userAndPwd[1]);
+            }
+
+            public string ToPath()
+            {
+                string domainUser = Username;
+                if (Domain != null)
+                {
+                    domainUser = Domain + "\\" + Username;
+                }
+
+                return "smb://" + WebUtility.UrlEncode(domainUser) + ":" + WebUtility.UrlEncode(Password) + "@" + Host +
+                       "/" + Share + "/" + LocalPath;
+            }
+
+            public string GetPathWithoutCredentials()
+            {
+                return "smb://" + Host + "/" + Share + "/" + LocalPath;
+            }
+
+            public string GetLocalSmbPath()
+            {
+                return LocalPath?.Replace("/", "\\") ?? "";
+            }
+
+            public SmbConnectionInfo GetParent()
+            {
+                SmbConnectionInfo parent = new SmbConnectionInfo
+                {
+                    Host = Host,
+                    Username = Username,
+                    Password = Password,
+                    Domain = Domain,
+                    Share = Share
+                };
+                string[] pathParts = LocalPath?.Split('/') ?? [];
+                if (pathParts.Length > 0)
+                {
+                    parent.LocalPath = string.Join("/", pathParts.Take(pathParts.Length - 1));
+                }
+                else
+                {
+                    parent.LocalPath = "";
+                    parent.Share = "";
+                }
+
+                return parent;
+            }
+
+            public string Stem()
+            {
+                return LocalPath?.Split('/').Last() ?? "";
+            }
+
+
+            public SmbConnectionInfo GetChild(string childName)
+            {
+                SmbConnectionInfo child = new SmbConnectionInfo();
+                child.Host = Host;
+                child.Username = Username;
+                child.Password = Password;
+                child.Domain = Domain;
+                if (string.IsNullOrEmpty(Share))
+                {
+                    child.Share = childName;
+                }
+                else
+                {
+
+                    child.Share = Share;
+                    var pathPartsList = LocalPath?.Split('/').Where(p => !string.IsNullOrEmpty(p)).ToList() ?? [];
+                    pathPartsList.Add(childName);
+                    child.LocalPath = string.Join("/", pathPartsList);
+                }
+
+                return child;
+            }
+
+            public string ToDisplayString()
+            {
+                return "smb://" + Host + "/" + Share + "/" + LocalPath;
+
+            }
+        }
+
+
+        class SmbConnection: IDisposable
+        {
+            public SmbConnection(SmbConnectionInfo info)
+            {
+                _isLoggedIn = false;
+                var isConnected = Client.Connect(info.Host, SMBTransportType.DirectTCPTransport);
+                if (!isConnected)
+                {
+                    throw new Exception($"Failed to connect to SMB server {info.Host}");
+                }
+
+                var status = Client.Login(info.Domain ?? string.Empty, info.Username, info.Password);
+                if (status != NTStatus.STATUS_SUCCESS)
+                {
+                    throw new Exception($"Failed to login to SMB as {info.Username}");
+                }
+
+                _isLoggedIn = true;
+
+                if (!string.IsNullOrEmpty(info.Share))
+                {
+                    FileStore = Client.TreeConnect(info.Share, out status);
+                }
+                
+            }
+
+
+
+            public readonly SMB2Client Client = new SMB2Client();
+
+
+            public readonly ISMBFileStore? FileStore;
+            private readonly bool _isLoggedIn;
+
+            public void Dispose()
+            {
+                FileStore?.Disconnect();
+                
+                if (_isLoggedIn)
+                    Client.Logoff();
+
+                if (!Client.IsConnected) return;
+                Client.Disconnect();
+
+
+            }
+        }
+    
+
+
+    public Stream OpenFileForRead(IOConnectionInfo ioc)
+        {
+
+            SmbConnectionInfo info = new SmbConnectionInfo(ioc);
+            using SmbConnection conn = new SmbConnection(info);
+
+            if (conn.FileStore == null)
+            {
+                throw new Exception($"Failed to read to {info.GetPathWithoutCredentials()}");
+            }
+
+
+            NTStatus status = conn.FileStore.CreateFile(out var fileHandle, out _, info.GetLocalSmbPath(),
+                AccessMask.GENERIC_READ | AccessMask.SYNCHRONIZE, FileAttributes.Normal, ShareAccess.Read,
+                CreateDisposition.FILE_OPEN,
+                CreateOptions.FILE_NON_DIRECTORY_FILE | CreateOptions.FILE_SYNCHRONOUS_IO_ALERT, null);
+
+            if (status != NTStatus.STATUS_SUCCESS)
+            {
+                throw new Exception($"Failed to open file {info.LocalPath}");
+            }
+
+            var stream = new MemoryStream();
+            long bytesRead = 0;
+            while (true)
+            {
+                status = conn.FileStore.ReadFile(out var data, fileHandle, bytesRead, (int)conn.Client.MaxReadSize);
+                if (status != NTStatus.STATUS_SUCCESS && status != NTStatus.STATUS_END_OF_FILE)
+                {
+                    throw new Exception("Failed to read from file");
+                }
+
+                if (status == NTStatus.STATUS_END_OF_FILE || data.Length == 0)
+                {
+                    break;
+                }
+
+                bytesRead += data.Length;
+                stream.Write(data, 0, data.Length);
+            }
+
+            stream.Seek(0, SeekOrigin.Begin);
+            return stream;
+        }
+
+
+        class SmbFileStorageWriteTransaction : IWriteTransaction
+        {
+            private bool UseFileTransaction { get; }
+            private readonly string _path;
+            private readonly string _uploadPath;
+            private readonly SmbFileStorage _fileStorage;
+            private MemoryStream? _memoryStream;
+
+            public SmbFileStorageWriteTransaction(string path, SmbFileStorage fileStorage, bool useFileTransaction)
+            {
+                UseFileTransaction = useFileTransaction;
+                _path = path;
+                if (useFileTransaction)
+                {
+                    _uploadPath = _path + Guid.NewGuid().ToString().Substring(0, 8) + ".tmp";
+                }
+                else
+                {
+                    _uploadPath = _path;
+                }
+                
+
+                _fileStorage = fileStorage;
+                _memoryStream = null;
+            }
+
+            public void Dispose()
+            {
+                _memoryStream?.Dispose();
+            }
+
+            public Stream OpenFile()
+            {
+                _memoryStream = new MemoryStream();
+                return _memoryStream;
+            }
+
+            public void CommitWrite()
+            {
+                _fileStorage.UploadData(new MemoryStream(_memoryStream!.ToArray()), new SmbConnectionInfo(new IOConnectionInfo() { Path = _uploadPath}));
+                if (UseFileTransaction)
+                {
+                    SmbConnectionInfo uploadPath = new SmbConnectionInfo(new IOConnectionInfo() { Path = _uploadPath });
+                    SmbConnectionInfo finalPath = new SmbConnectionInfo(new IOConnectionInfo() { Path = _path });
+                    _fileStorage.RenameFile(uploadPath, finalPath);
+                }
+
+
+            }
+        }
+
+        private void RenameFile(SmbConnectionInfo fromPath, SmbConnectionInfo toPath)
+        {
+            using var connection = new SmbConnection(fromPath);
+
+            // Open existing file
+            var status = connection.FileStore!.CreateFile(out var handle, out _, fromPath.GetLocalSmbPath(), AccessMask.MAXIMUM_ALLOWED, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_NON_DIRECTORY_FILE, null);
+            if (status != NTStatus.STATUS_SUCCESS)
+                throw new Exception($"Failed to open {fromPath.LocalPath} for renaming!");
+        
+            FileRenameInformationType2 renameInfo = new FileRenameInformationType2
+            {
+                FileName = toPath.GetLocalSmbPath(),
+                ReplaceIfExists = true
+            };
+            connection.FileStore.SetFileInformation(handle, renameInfo);
+            connection.FileStore.CloseFile(handle);
+            
+        }
+
+        private void UploadData(Stream data, SmbConnectionInfo uploadPath)
+        {
+            using var connection = new SmbConnection(uploadPath);
+            var status = connection.FileStore!.CreateFile(out var fileHandle, out _, uploadPath.GetLocalSmbPath(), AccessMask.GENERIC_WRITE | AccessMask.SYNCHRONIZE, FileAttributes.Normal, ShareAccess.None, CreateDisposition.FILE_CREATE, CreateOptions.FILE_NON_DIRECTORY_FILE | CreateOptions.FILE_SYNCHRONOUS_IO_ALERT, null);
+            if (status == NTStatus.STATUS_OBJECT_NAME_COLLISION)
+                status = connection.FileStore!.CreateFile(out fileHandle, out _, uploadPath.GetLocalSmbPath(), AccessMask.GENERIC_WRITE | AccessMask.SYNCHRONIZE, FileAttributes.Normal, ShareAccess.None, CreateDisposition.FILE_OVERWRITE, CreateOptions.FILE_NON_DIRECTORY_FILE | CreateOptions.FILE_SYNCHRONOUS_IO_ALERT, null);
+            if (status != NTStatus.STATUS_SUCCESS)
+            {
+                throw new Exception($"Failed to open {uploadPath.LocalPath} for writing!");
+            }
+
+            long writeOffset = 0;
+            while (data.Position < data.Length)
+            {
+                byte[] buffer = new byte[(int)connection.Client.MaxWriteSize];
+                int bytesRead = data.Read(buffer, 0, buffer.Length);
+                if (bytesRead < (int)connection.Client.MaxWriteSize)
+                {
+                    Array.Resize(ref buffer, bytesRead);
+                }
+
+                status = connection.FileStore.WriteFile(out _, fileHandle, writeOffset, buffer);
+                if (status != NTStatus.STATUS_SUCCESS)
+                {
+                    throw new Exception("Failed to write to file");
+                }
+                writeOffset += bytesRead;
+            }
+
+        }
+
+        public IWriteTransaction OpenWriteTransaction(IOConnectionInfo ioc, bool useFileTransaction)
+        {
+            return new SmbFileStorageWriteTransaction(ioc.Path, this, useFileTransaction);
+        }
+
+        public string GetFilenameWithoutPathAndExt(IOConnectionInfo ioc)
+        {
+            return UrlUtil.StripExtension(
+                UrlUtil.GetFileName(ioc.Path));
+
+        }
+
+        public string GetFileExtension(IOConnectionInfo ioc)
+        {
+            return UrlUtil.GetExtension(ioc.Path);
+        }
+
+        public bool RequiresCredentials(IOConnectionInfo ioc)
+        {
+            return false;
+        }
+
+        public void CreateDirectory(IOConnectionInfo ioc, string newDirName)
+        {
+            throw new NotImplementedException();
+        }
+
+        private static IEnumerable<FileDescription> ListShares(SmbConnection conn, SmbConnectionInfo parent)
+        {
+            foreach (string share in conn.Client.ListShares(out _))
+            {
+                yield return new FileDescription()
+                {
+                    CanRead = true,
+                    CanWrite = true,
+                    DisplayName = share,
+                    IsDirectory = true,
+                    Path = parent.GetChild(share).ToPath()
+                };
+            }
+
+        }
+
+        public IEnumerable<FileDescription> ListContents(IOConnectionInfo ioc)
+        {
+            List<FileDescription> result = [];
+            SmbConnectionInfo info = new SmbConnectionInfo(ioc);
+            using SmbConnection conn = new SmbConnection(info);
+            if (string.IsNullOrEmpty(info.Share))
+            {
+                var shares = ListShares(conn, info).ToList();
+                return shares;
+            }
+
+            NTStatus status = conn.FileStore!.CreateFile(out var directoryHandle, out _, info.GetLocalSmbPath(), AccessMask.GENERIC_READ, FileAttributes.Directory, ShareAccess.Read | ShareAccess.Write, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null);
+            if (status == NTStatus.STATUS_SUCCESS)
+            {
+                conn.FileStore.QueryDirectory(out List<QueryDirectoryFileInformation> fileList, directoryHandle, "*", FileInformationClass.FileDirectoryInformation);
+                foreach (var fi in fileList)
+                {
+                    var fileDirectoryInformation = fi as FileDirectoryInformation;
+                    if (fileDirectoryInformation == null)
+                        continue;
+
+                    if (fileDirectoryInformation.FileName is "." or "..")
+                        continue;
+
+                    var fileDescription = FileDescriptionConvert(ioc, fileDirectoryInformation);
+
+                    result.Add(fileDescription);
+                }
+                conn.FileStore.CloseFile(directoryHandle);
+            }
+
+            return result;
+        }
+
+        private FileDescription FileDescriptionConvert(IOConnectionInfo parentIoc,
+            FileDirectoryInformation fileDirectoryInformation)
+        {
+            FileDescription fileDescription = new FileDescription
+            {
+                CanRead = true,
+                CanWrite = true,
+                IsDirectory = (fileDirectoryInformation.FileAttributes & FileAttributes.Directory) != 0,
+                DisplayName = fileDirectoryInformation.FileName
+            };
+            fileDescription.Path = CreateFilePath(parentIoc.Path, fileDescription.DisplayName);
+            fileDescription.LastModified = fileDirectoryInformation.LastWriteTime;
+                        
+            fileDescription.SizeInBytes = fileDirectoryInformation.EndOfFile;
+            return fileDescription;
+        }
+
+        public FileDescription GetFileDescription(IOConnectionInfo ioc)
+        {
+            SmbConnectionInfo info = new SmbConnectionInfo(ioc);
+
+            if (string.IsNullOrEmpty(info.Share))
+            {
+                return new FileDescription
+                {
+                    CanRead = true, CanWrite = true,
+                    DisplayName = info.Host,
+                    IsDirectory = true,
+                    Path = info.ToPath()
+                };
+            }
+
+            using SmbConnection conn = new SmbConnection(info);
+            NTStatus status = conn.FileStore!.CreateFile(out var directoryHandle, out _, info.GetParent().GetLocalSmbPath(), AccessMask.GENERIC_READ, FileAttributes.Directory, ShareAccess.Read | ShareAccess.Write, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null);
+            if (status != NTStatus.STATUS_SUCCESS) throw new Exception($"Failed to query details for {info.LocalPath}");
+            conn.FileStore.QueryDirectory(out List<QueryDirectoryFileInformation> fileList, directoryHandle, info.Stem(), FileInformationClass.FileDirectoryInformation);
+            foreach (var fi in fileList)
+            {
+                var fileDirectoryInformation = fi as FileDirectoryInformation;
+                if (fileDirectoryInformation == null)
+                    continue;
+
+                if (fileDirectoryInformation.FileName is "." or "..")
+                    continue;
+
+                return FileDescriptionConvert(ioc, fileDirectoryInformation);
+
+                        
+            }
+            conn.FileStore.CloseFile(directoryHandle);
+
+            throw new Exception($"Failed to query details for {info.LocalPath}");
+        }
+
+        public bool RequiresSetup(IOConnectionInfo ioConnection)
+        {
+            return false;
+        }
+
+        public string IocToPath(IOConnectionInfo ioc)
+        {
+            return ioc.Path;
+        }
+
+        public void StartSelectFile(IFileStorageSetupInitiatorActivity activity, bool isForSave, int requestCode, string protocolId)
+        {
+            activity.PerformManualFileSelect(isForSave, requestCode, protocolId);
+
+        }
+
+        public void PrepareFileUsage(IFileStorageSetupInitiatorActivity activity, IOConnectionInfo ioc, int requestCode,
+            bool alwaysReturnSuccess)
+        {
+            Intent intent = new Intent();
+            activity.IocToIntent(intent, ioc);
+            activity.OnImmediateResult(requestCode, (int)FileStorageResults.FileUsagePrepared, intent);
+        }
+
+        public void PrepareFileUsage(Context ctx, IOConnectionInfo ioc)
+        {
+            
+        }
+
+        public void OnCreate(IFileStorageSetupActivity activity, Bundle savedInstanceState)
+        {
+            
+        }
+
+        public void OnResume(IFileStorageSetupActivity activity)
+        {
+            
+        }
+
+        public void OnStart(IFileStorageSetupActivity activity)
+        {
+            
+        }
+
+        public void OnActivityResult(IFileStorageSetupActivity activity, int requestCode, int resultCode, Intent data)
+        {
+            
+        }
+
+        public string GetDisplayName(IOConnectionInfo ioc)
+        {
+            return new SmbConnectionInfo(ioc).ToDisplayString();
+        }
+
+        public string CreateFilePath(string parent, string newFilename)
+        {
+            return new SmbConnectionInfo(new IOConnectionInfo() { Path = parent}).GetChild(newFilename).ToPath();
+        }
+
+        public IOConnectionInfo GetParentPath(IOConnectionInfo ioc)
+        {
+            SmbConnectionInfo connectionInfo = new SmbConnectionInfo(ioc);
+            return new IOConnectionInfo() { Path = connectionInfo.GetParent().ToPath() };
+        }
+
+        public IOConnectionInfo GetFilePath(IOConnectionInfo folderPath, string filename)
+        {
+            return new IOConnectionInfo() { Path = CreateFilePath(folderPath.Path, filename)};
+        }
+
+        public bool IsPermanentLocation(IOConnectionInfo ioc)
+        {
+            return true;
+        }
+
+        public bool IsReadOnly(IOConnectionInfo ioc, OptionalOut<UiStringKey> reason = null)
+        {
+            return false;
+        }
+    }
+}
+#endif

src/Kp2aBusinessLogic/Io/WebDavFileStorage.cs

@@ -6,10 +6,12 @@ using System.Text;
 using Android.App;
 using Android.Content;
 using Android.OS;
+using Android.Preferences;
 using Android.Runtime;
 using Android.Views;
 using Android.Widget;
 #if !NoNet && !EXCLUDE_JAVAFILESTORAGE
+
 using Keepass2android.Javafilestorage;
 #endif
 using KeePassLib.Serialization;
@@ -19,9 +21,15 @@ namespace keepass2android.Io
 #if !NoNet && !EXCLUDE_JAVAFILESTORAGE
 	public class WebDavFileStorage: JavaFileStorage
 	{
-		public WebDavFileStorage(IKp2aApp app) : base(new Keepass2android.Javafilestorage.WebDavStorage(app.CertificateErrorHandler), app)
-		{
-		}
+        private readonly IKp2aApp _app;
+        private readonly WebDavStorage baseWebdavStorage;
+
+        public WebDavFileStorage(IKp2aApp app, int chunkSize) : base(new Keepass2android.Javafilestorage.WebDavStorage(app.CertificateErrorHandler, chunkSize), app)
+        {
+            _app = app;
+            baseWebdavStorage = (WebDavStorage)Jfs;
+
+        }
 
 		public override IEnumerable<string> SupportedProtocols
 		{
@@ -75,6 +83,15 @@ namespace keepass2android.Io
 			}
 			return base.IocToPath(ioc);
 		}
-	}
+
+
+        public override IWriteTransaction OpenWriteTransaction(IOConnectionInfo ioc, bool useFileTransaction)
+        {
+            baseWebdavStorage.SetUploadChunkSize(_app.WebDavChunkedUploadSize);
+            return base.OpenWriteTransaction(ioc, useFileTransaction);
+        }
+    }
+
+
 #endif
 }

src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj

@@ -1,33 +1,48 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <DefineConstants Condition="'$(Flavor)'=='NoNet'">NO_QR_SCANNER;EXCLUDE_JAVAFILESTORAGE;NoNet</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <Folder Include="Resources\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="FluentFTP" Version="51.1.0" />
-    <PackageReference Include="MegaApiClient" Version="1.10.4" />
-    <PackageReference Include="Microsoft.Graph" Version="5.68.0" />
-    <PackageReference Include="Microsoft.Identity.Client" Version="4.67.1" />
+    <PackageReference Include="FluentFTP" Version="52.1.0" Condition="'$(Flavor)'!='NoNet'"/>
+    <PackageReference Include="FluentFTP.GnuTLS" Version="1.0.37" Condition="'$(Flavor)'!='NoNet'"/>
+    <PackageReference Include="MegaApiClient" Version="1.10.4"  Condition="'$(Flavor)'!='NoNet'"/>
+    <PackageReference Include="Microsoft.Graph" Version="5.68.0" Condition="'$(Flavor)'!='NoNet'"/>
+    <PackageReference Include="Microsoft.Identity.Client" Version="4.67.1" Condition="'$(Flavor)'!='NoNet'"/>
+    <PackageReference Include="SMBLibrary" Version="1.5.4" Condition="'$(Flavor)'!='NoNet'"/>
     <PackageReference Include="Xamarin.AndroidX.Browser" Version="1.8.0" />
     <PackageReference Include="Xamarin.AndroidX.Core" Version="1.13.1.5" />
     <PackageReference Include="Xamarin.Google.Android.Material" Version="1.11.0.3" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\AndroidFileChooserBinding\AndroidFileChooserBinding.csproj" />
-    <ProjectReference Include="..\JavaFileStorageBindings\JavaFileStorageBindings.csproj" />
+    <ProjectReference Include="..\JavaFileStorageBindings\JavaFileStorageBindings.csproj" Condition="'$(Flavor)'!='NoNet'"  />
     <ProjectReference Include="..\KeePassLib2Android\KeePassLib2Android.csproj" />
     <ProjectReference Include="..\KP2AKdbLibraryBinding\KP2AKdbLibraryBinding.csproj" />
     <ProjectReference Include="..\TwofishCipher\TwofishCipher.csproj" />
   </ItemGroup>
   <ItemGroup>
-  <None Remove="Io/DropboxFileStorageKeysDummy.cs" />
-  <Compile Remove="Io/DropboxFileStorageKeysDummy.cs" />
-  <Content Remove="Io/DropboxFileStorageKeysDummy.cs" />
+
 </ItemGroup>
+<ItemGroup  Condition="'$(Flavor)'=='NoNet'">
+  <None Remove="Io/OneDrive2FileStorage.cs" />
+  <Compile Remove="Io/OneDrive2FileStorage.cs" />
+  <Content Remove="Io/OneDrive2FileStorage.cs" />
+  <None Remove="Io/MegaFileStorage.cs" />
+  <Compile Remove="Io/MegaFileStorage.cs" />
+  <Content Remove="Io/MegaFileStorage.cs" />
+</ItemGroup>
+
+<Import Project="Io/GenerateSecrets.targets" />
+<ItemGroup>
+<Compile Include="Io/DropboxFileStorage.g.cs" />
+</ItemGroup>
+
   
 </Project>

src/Kp2aBusinessLogic/SelectStorageLocationActivityBase.cs

@@ -4,6 +4,7 @@ using Android.Content;
 using Android.OS;
 using Android.Widget;
 using Java.Net;
+using KeePass.Util;
 using KeePassLib.Serialization;
 using keepass2android.Io;
 
@@ -94,15 +95,12 @@ namespace keepass2android
 				}
 				if ((resultCode == Result.Canceled) && (data != null) && (data.HasExtra("EXTRA_ERROR_MESSAGE")))
 				{
-					ShowToast(data.GetStringExtra("EXTRA_ERROR_MESSAGE"));
+					ShowErrorToast(data.GetStringExtra("EXTRA_ERROR_MESSAGE"));
 				}
 
 				if (resultCode == Result.Ok)
 				{
-					Kp2aLog.Log("FileSelection returned "+data.DataString);
-					//TODO: don't try to extract filename if content URI
 					string filename = IntentToFilename(data);
-					Kp2aLog.Log("FileSelection returned filename " + filename);
 					if (filename != null)
 					{
 						if (filename.StartsWith("file://"))
@@ -150,7 +148,7 @@ namespace keepass2android
 
 		protected abstract void StartFileChooser(string path, int requestCode, bool isForSave);
 
-		protected abstract void ShowToast(string text);
+		protected abstract void ShowErrorToast(string text);
 
 		protected abstract void ShowInvalidSchemeMessage(string dataString);
 
@@ -208,7 +206,7 @@ namespace keepass2android
 					{
 						return () =>
 							{
-								ShowToast(_app.GetResourceString(UiStringKey.ErrorOcurred) + " " + e.Message);
+								ShowErrorToast(_app.GetResourceString(UiStringKey.ErrorOcurred) + " " + ExceptionUtil.GetErrorMessage(e));
 								ReturnCancel();
 							};
 					}

src/Kp2aBusinessLogic/Utils/ExceptionUtil.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+namespace KeePass.Util
+{
+    public class ExceptionUtil
+    {
+
+        public static string GetErrorMessage(Exception e)
+        {
+            string errorMessage = e.Message;
+            if (e is Java.Lang.Exception javaException)
+            {
+                try
+                {
+                    errorMessage = javaException.LocalizedMessage ?? javaException.Message ?? errorMessage;
+                }
+                finally
+                {
+
+                }
+            }
+
+            return errorMessage;
+        }
+
+    }
+}

src/Kp2aBusinessLogic/database/CheckDatabaseForChanges.cs

@@ -5,6 +5,7 @@ using System.Security.Cryptography;
 using System.Text;
 using Android.App;
 using Android.Content;
+using KeePass.Util;
 using KeePassLib.Cryptography;
 using KeePassLib.Serialization;
 using KeePassLib.Utility;
@@ -65,7 +66,7 @@ namespace keepass2android
 			}
 			catch (Exception e)
 			{
-				Finish(false, e.Message);
+				Finish(false, ExceptionUtil.GetErrorMessage(e));
 			}
 
 		}

src/Kp2aBusinessLogic/database/Database.cs

@@ -90,9 +90,12 @@ namespace keepass2android
 			PwDatabase pwDatabase = new PwDatabase();
 
 			IFileStorage fileStorage = _app.GetFileStorage(iocInfo);
-			Stream s = databaseData ?? fileStorage.OpenFileForRead(iocInfo);
-			var fileVersion = _app.GetFileStorage(iocInfo).GetCurrentFileVersionFast(iocInfo);
-			PopulateDatabaseFromStream(pwDatabase, s, iocInfo, compositeKey, status, databaseFormat);
+            Kp2aLog.Log("LoadData: Retrieving stream");
+            Stream s = databaseData ?? fileStorage.OpenFileForRead(iocInfo);
+            Kp2aLog.Log("LoadData: GetCurrentFileVersion");
+            var fileVersion = _app.GetFileStorage(iocInfo).GetCurrentFileVersionFast(iocInfo);
+            Kp2aLog.Log("LoadData: PopulateDatabaseFromStream");
+            PopulateDatabaseFromStream(pwDatabase, s, iocInfo, compositeKey, status, databaseFormat);
 		    LastFileVersion = fileVersion;
 
 		    status.UpdateSubMessage("");

src/Kp2aBusinessLogic/database/KdbDatabaseFormat.cs

@@ -10,6 +10,7 @@ using Com.Keepassdroid.Database.Exception;
 #endif
 using Com.Keepassdroid.Database.Save;
 using Java.Util;
+using KeePass.Util;
 using KeePassLib;
 using KeePassLib.Cryptography;
 using KeePassLib.Cryptography.Cipher;
@@ -82,15 +83,14 @@ namespace keepass2android
 			catch (Java.IO.FileNotFoundException e)
 			{
 				throw new FileNotFoundException(
-					e.Message, e);
+                    ExceptionUtil.GetErrorMessage(e), e);
 			}  
 			catch (Java.Lang.Exception e)
 			{
 				if (e.Message == "Invalid key!")
 					throw new InvalidCompositeKeyException();
-				throw new Exception(e.LocalizedMessage ??
-				e.Message ??
-				e.GetType().Name, e);
+				throw new Exception(ExceptionUtil.GetErrorMessage(e) ??
+                                                                  e.GetType().Name, e);
 			}
 			
 			HashOfLastStream = hashingStream.Hash;

src/Kp2aBusinessLogic/database/SynchronizeCachedDatabase.cs

@@ -6,6 +6,7 @@ using Android.App;
 using Android.Content;
 using KeePassLib.Serialization;
 using keepass2android.Io;
+using KeePass.Util;
 
 namespace keepass2android
 {
@@ -109,7 +110,7 @@ namespace keepass2android
 			catch (Exception e)
 			{
                 Kp2aLog.LogUnexpectedError(e);
-				Finish(false, e.Message);
+				Finish(false, ExceptionUtil.GetErrorMessage(e));
 			}
 			
 		}

src/Kp2aBusinessLogic/database/edit/LoadDB.cs

@@ -21,6 +21,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Android.App;
+using KeePass.Util;
 using keepass2android.database.edit;
 using KeePassLib;
 using KeePassLib.Keys;
@@ -103,10 +104,10 @@ namespace keepass2android
 			}
 			catch (AggregateException e)
 			{
-				string message = e.Message;
+				string message = ExceptionUtil.GetErrorMessage(e);
 				foreach (var innerException in e.InnerExceptions)
 				{
-					message = innerException.Message;
+					message = ExceptionUtil.GetErrorMessage(innerException);
 					// Override the message shown with the last (hopefully most recent) inner exception
 					Kp2aLog.LogUnexpectedError(innerException);
 				}
@@ -116,14 +117,14 @@ namespace keepass2android
 			catch (DuplicateUuidsException e)
 			{
 				Kp2aLog.Log(e.ToString());
-				Finish(false, _app.GetResourceString(UiStringKey.DuplicateUuidsError) + " " + e.Message + _app.GetResourceString(UiStringKey.DuplicateUuidsErrorAdditional), false, Exception);
+				Finish(false, _app.GetResourceString(UiStringKey.DuplicateUuidsError) + " " + ExceptionUtil.GetErrorMessage(e) + _app.GetResourceString(UiStringKey.DuplicateUuidsErrorAdditional), false, Exception);
 				return;
 			}
 			catch (Exception e)
 			{
 				if (!(e is InvalidCompositeKeyException))
 					Kp2aLog.LogUnexpectedError(e);
-				Finish(false, _app.GetResourceString(UiStringKey.ErrorOcurred) + " " + (e.Message ?? (e is FileNotFoundException ? _app.GetResourceString(UiStringKey.FileNotFound) :  "")), false, Exception);
+				Finish(false, _app.GetResourceString(UiStringKey.ErrorOcurred) + " " + (ExceptionUtil.GetErrorMessage(e) ?? (e is FileNotFoundException ? _app.GetResourceString(UiStringKey.FileNotFound) :  "")), false, Exception);
 				return;
 			}
 			
@@ -137,6 +138,7 @@ namespace keepass2android
 
 		Database TryLoad(MemoryStream databaseStream)
 		{
+			Kp2aLog.Log("LoadDb: Copying database in memory");
 			//create a copy of the stream so we can try again if we get an exception which indicates we should change parameters
 			//This is not optimal in terms of (short-time) memory usage but is hard to avoid because the Keepass library closes streams also in case of errors.
 			//Alternatives would involve increased traffic (if file is on remote) and slower loading times, so this seems to be the best choice.
@@ -145,8 +147,9 @@ namespace keepass2android
 			workingCopy.Seek(0, SeekOrigin.Begin);
 			//reset stream if we need to reuse it later:
 			databaseStream.Seek(0, SeekOrigin.Begin);
-			//now let's go:
-			try
+            Kp2aLog.Log("LoadDb: Ready to start loading");
+            //now let's go:
+            try
 			{
                 Database newDb = _app.LoadDatabase(_ioc, workingCopy, _compositeKey, StatusLogger, _format, _makeCurrent);
 				Kp2aLog.Log("LoadDB OK");

src/Kp2aBusinessLogic/database/edit/OnFinish.cs

@@ -130,24 +130,24 @@ namespace keepass2android
 			if ( !String.IsNullOrEmpty(message) ) {
 			    Kp2aLog.Log("OnFinish message: " + message);
                 if (makeDialog && ctx != null)
-			    {
-			        try
-			        {
-			            MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(ctx);
-			            
-			            builder.SetMessage(message)
-			                .SetPositiveButton(Android.Resource.String.Ok, (sender, args) => ((Dialog)sender).Dismiss())
-			                .Show();
+                {
+                    try
+                    {
+                        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(ctx);
+
+                        builder.SetMessage(message)
+                            .SetPositiveButton(Android.Resource.String.Ok, (sender, args) => ((Dialog)sender).Dismiss())
+                            .Show();
 
                     }
                     catch (Exception)
-			        {
-			            Toast.MakeText(ctx, message, ToastLength.Long).Show();
-			        }
-			    }
+                    {
+                        Toast.MakeText(ctx, message, ToastLength.Long).Show();
+                    }
+                }
                 else
                     Toast.MakeText(ctx ?? Application.Context, message, ToastLength.Long).Show();
-			}
+            }
 		}
 	}
 }

src/Kp2aBusinessLogic/database/edit/SaveDB.cs

@@ -29,6 +29,7 @@ using KeePassLib.Utility;
 using keepass2android.Io;
 using Debug = System.Diagnostics.Debug;
 using Exception = System.Exception;
+using KeePass.Util;
 
 namespace keepass2android
 {
@@ -187,7 +188,7 @@ namespace keepass2android
 			}
 */
 					Kp2aLog.LogUnexpectedError(e);
-					Finish(false, e.Message);
+					Finish(false, ExceptionUtil.GetErrorMessage(e));
 					return;
 				}
 			}
@@ -222,8 +223,8 @@ namespace keepass2android
 						catch (Exception e)
 						{
 							Kp2aLog.LogUnexpectedError(e);
-							Kp2aLog.Log("Error in worker thread of SaveDb: " + e);
-							Finish(false, e.Message);
+							Kp2aLog.Log("Error in worker thread of SaveDb: " + ExceptionUtil.GetErrorMessage(e));
+							Finish(false, ExceptionUtil.GetErrorMessage(e));
 						}
 						
 					});
@@ -233,7 +234,7 @@ namespace keepass2android
 			{
 				Kp2aLog.LogUnexpectedError(e);
 				Kp2aLog.Log("Error starting worker thread of SaveDb: "+e);
-				Finish(false, e.Message);
+				Finish(false, ExceptionUtil.GetErrorMessage(e));
 			}
 			
 		}

src/Kp2aKeyboardBinding/Kp2aKeyboardBinding.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/PCloudBindings/PCloudBindings.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/PluginSdkBinding/PluginSdkBinding.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/TwofishCipher/TwofishCipher.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/ZlibAndroid/ZlibAndroid.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0-android</TargetFramework>
+    <TargetFramework>net9.0-android</TargetFramework>
     <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>

src/build-scripts/build-java.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+
+#unset ANDROID_NDK_HOME ANDROID_NDK
+
+pushd ../java/
+
+pushd JavaFileStorageTest-AS
+./gradlew assemble
+popd
+
+pushd KP2ASoftkeyboard_AS
+./gradlew assemble
+popd
+
+pushd Keepass2AndroidPluginSDK2
+./gradlew assemble
+popd
+
+pushd KP2AKdbLibrary
+./gradlew assemble
+popd
+
+popd

src/build-scripts/build-native.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+
+pushd ../java/argon2
+ndk-build
+popd

src/build-scripts/linux-build.md

@@ -0,0 +1,28 @@
+## Setup build environment
+* install Android SDK
+* install Android NDK
+* install dotnet8
+
+```
+
+#from https://dotnet.microsoft.com/en-us/download/dotnet/thank-you/sdk-8.0.407-linux-x64-binaries
+wget https://download.visualstudio.microsoft.com/download/pr/9d07577e-f7bc-4d60-838d-f79c50b5c11a/459ef339396783db369e0432d6dc3d7e/dotnet-sdk-8.0.407-linux-x64.tar.gz
+mkdir -p $HOME/dotnet && tar zxf dotnet-sdk-8.0.407-linux-x64.tar.gz -C $HOME/dotnet
+export DOTNET_ROOT=$HOME/dotnet
+export PATH=$PATH:$HOME/dotnet
+
+```
+
+## Build Keepass2Android
+
+```
+git clone --recurse-submodules https://github.com/PhilippC/keepass2android.git
+cd keepass2android/src/build-scripts
+./build-java.sh && ./build-native.sh
+cd ..
+cd keepass2android-app
+ln -s Manifests/AndroidManifest_debug.xml AndroidManifest.xml
+dotnet workload restore
+dotnet restore
+dotnet build
+```

src/build-scripts/rename-output-apks.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+BASE_DIR="${1}"
+
+for arch_dir in "$BASE_DIR"/android-*/; do
+  arch=$(basename "$arch_dir")
+  arch=${arch#android-}
+  APK_DIR="${arch_dir}publish"
+  if [[ -d "$APK_DIR" ]]; then
+    apk_path=$(find "$APK_DIR" -maxdepth 1 -type f -name "*.apk" | head -n1)
+    if [[ -n "$apk_path" ]]; then
+      base=$(basename "$apk_path" .apk)
+      new_path="$APK_DIR/${base}-${arch}.apk"
+      mv "$apk_path" "$new_path"
+      echo "Renamed $apk_path to $new_path"
+    else
+      echo "No APK found in $APK_DIR"
+    fi
+  else
+    echo "Directory $APK_DIR does not exist"
+  fi
+done

src/java/JavaFileStorage/app/src/main/java/keepass2android/javafilestorage/WebDavStorage.java

@@ -1,6 +1,7 @@
 package keepass2android.javafilestorage;
 
 import android.content.Context;
+import java.math.BigInteger;
 import android.content.Intent;
 
 import android.net.Uri;
@@ -15,7 +16,10 @@ import com.burgstaller.okhttp.basic.BasicAuthenticator;
 import com.burgstaller.okhttp.digest.CachingAuthenticator;
 import com.burgstaller.okhttp.digest.DigestAuthenticator;
 
+
+import java.io.ByteArrayInputStream;
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
 import java.io.UnsupportedEncodingException;
@@ -24,6 +28,7 @@ import java.security.KeyManagementException;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
@@ -44,23 +49,33 @@ import keepass2android.javafilestorage.webdav.DecoratedTrustManager;
 import keepass2android.javafilestorage.webdav.PropfindXmlParser;
 import keepass2android.javafilestorage.webdav.WebDavUtil;
 import okhttp3.MediaType;
+import okhttp3.MultipartBody;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.RequestBody;
 import okhttp3.Response;
 import okhttp3.internal.tls.OkHostnameVerifier;
+import okio.BufferedSink;
 
 public class WebDavStorage extends JavaFileStorageBase {
 
     private final ICertificateErrorHandler mCertificateErrorHandler;
     private Context appContext;
 
-    public WebDavStorage(ICertificateErrorHandler certificateErrorHandler)
+    int chunkSize;
+
+    public WebDavStorage(ICertificateErrorHandler certificateErrorHandler, int chunkSize)
     {
+        this.chunkSize = chunkSize;
 
         mCertificateErrorHandler = certificateErrorHandler;
     }
 
+    public void setUploadChunkSize(int chunkSize)
+    {
+        this.chunkSize = chunkSize;
+    }
+
     public String buildFullPath(String url, String username, String password) throws UnsupportedEncodingException {
         String scheme = url.substring(0, url.indexOf("://"));
         url = url.substring(scheme.length() + 3);
@@ -181,21 +196,119 @@ public class WebDavStorage extends JavaFileStorageBase {
         return client;
     }
 
+    public void renameOrMoveWebDavResource(String sourcePath, String destinationPath, boolean overwrite) throws Exception {
+
+        ConnectionInfo sourceCi = splitStringToConnectionInfo(sourcePath);
+        ConnectionInfo destinationCi = splitStringToConnectionInfo(destinationPath);
+
+        Request.Builder requestBuilder = new Request.Builder()
+                .url(new URL(sourceCi.URL))
+                .method("MOVE", null) // "MOVE" is the HTTP method
+                .header("Destination", destinationCi.URL); // New URI for the resource
+
+        // Add Overwrite header
+        if (overwrite) {
+            requestBuilder.header("Overwrite", "T"); // 'T' for true
+        } else {
+            requestBuilder.header("Overwrite", "F"); // 'F' for false
+        }
+
+        Request request = requestBuilder.build();
+
+        Response response = getClient(sourceCi).newCall(request).execute();
+
+        // Check the status code
+        if (response.isSuccessful()) {
+            // WebDAV MOVE can return 201 (Created) if a new resource was created at dest,
+            // or 204 (No Content) if moved to a pre-existing destination (e.g., just renamed).
+            // A 200 OK might also be returned by some servers, though 201/204 are more common.
+
+        }
+        else
+        {
+            throw new Exception("Rename/Move failed for " + sourceCi.URL + " to " + destinationCi.URL + ": " + response.code() + " " + response.message());
+        }
+    }
+
+    public static String generateRandomHexString(int length) {
+        SecureRandom secureRandom = new SecureRandom();
+        // Generate enough bytes to ensure we can get the desired number of hex characters.
+        // Each byte converts to two hex characters.
+        // For 8 hex characters, we need 4 bytes.
+        int numBytes = (int) Math.ceil(length / 2.0);
+        byte[] randomBytes = new byte[numBytes];
+        secureRandom.nextBytes(randomBytes);
+
+        // Convert the byte array to a hexadecimal string
+        // BigInteger(1, randomBytes) treats the byte array as a positive number.
+        // toString(16) converts it to a hexadecimal string.
+        String hexString = new BigInteger(1, randomBytes).toString(16);
+
+        // Pad with leading zeros if necessary (e.g., if the generated number is small)
+        // and then take the first 'length' characters.
+        // Using String.format to ensure leading zeros if the hexString is shorter.
+        return String.format("%0" + length + "d", new BigInteger(hexString, 16)).substring(0, length);
+    }
 
     @Override
     public void uploadFile(String path, byte[] data, boolean writeTransactional)
             throws Exception {
 
+        if (writeTransactional)
+        {
+            String randomSuffix = ".tmp." + generateRandomHexString(8);
+            uploadFile(path + randomSuffix, data, false);
+            renameOrMoveWebDavResource(path+randomSuffix, path, true);
+            return;
+        }
+
+
         try {
             ConnectionInfo ci = splitStringToConnectionInfo(path);
 
+
+            RequestBody requestBody;
+            if (chunkSize > 0)
+            {
+                // use chunked upload
+                requestBody = new RequestBody() {
+                    @Override
+                    public MediaType contentType() {
+                        return MediaType.parse("application/binary");
+                    }
+
+                    @Override
+                    public void writeTo(BufferedSink sink) throws IOException {
+                        try (InputStream in = new ByteArrayInputStream(data)) {
+                            byte[] buffer = new byte[chunkSize];
+                            int read;
+                            while ((read = in.read(buffer)) != -1) {
+                                sink.write(buffer, 0, read);
+                                sink.flush();
+                            }
+                        }
+                    }
+
+                    @Override
+                    public long contentLength() {
+                        return -1; // use chunked upload
+                    }
+                };
+            }
+            else
+            {
+                requestBody = new MultipartBody.Builder()
+                    .addPart(RequestBody.create(data, MediaType.parse("application/binary")))
+                    .build();
+            }            
+
+
             Request request = new Request.Builder()
                     .url(new URL(ci.URL))
-                    .put(RequestBody.create(MediaType.parse("application/binary"), data))
+                    .put(requestBody)
                     .build();
 
-            //TODO consider writeTransactional
-            //TODO check for error
+
 
             Response response = getClient(ci).newCall(request).execute();
             checkStatus(response);
@@ -290,7 +403,10 @@ public class WebDavStorage extends JavaFileStorageBase {
                             e.sizeInBytes = -1;
                         }
                     }
-                    e.isDirectory = r.href.endsWith("/");
+
+                    e.isDirectory = r.href.endsWith("/") || okprop.IsCollection;
+
+
 
                     e.displayName = okprop.DisplayName;
                     if (e.displayName == null)
@@ -519,3 +635,4 @@ public class WebDavStorage extends JavaFileStorageBase {
     }
 
 }
+

src/java/JavaFileStorage/app/src/main/java/keepass2android/javafilestorage/webdav/PropfindXmlParser.java

@@ -57,6 +57,8 @@ public class PropfindXmlParser
                 public String DisplayName;
                 public String LastModified;
                 public String ContentLength;
+
+                public boolean IsCollection;
             }
             public String status;
             public Prop prop;
@@ -191,6 +193,8 @@ public class PropfindXmlParser
                 continue;
             }
             String name = parser.getName();
+            String namespace = parser.getNamespace();
+
 
             android.util.Log.d("PARSE", "4name = " + name);
             if (name.equals("getcontentlength"))
@@ -200,6 +204,9 @@ public class PropfindXmlParser
                 prop.LastModified = readText(parser);
             } else if (name.equals("displayname")) {
                 prop.DisplayName = readText(parser);
+            } else if (name.equals("resourcetype") && namespace.equals(ns)) {
+                // We found the <d:resourcetype> tag
+                prop.IsCollection = readResourceType(parser);
             } else {
                 skip(parser);
             }
@@ -208,6 +215,37 @@ public class PropfindXmlParser
         return  prop;
     }
 
+    private boolean readResourceType(XmlPullParser parser) throws IOException, XmlPullParserException {
+        boolean isCollection = false;
+        parser.require(XmlPullParser.START_TAG, ns, "resourcetype");
+
+        while (parser.next() != XmlPullParser.END_TAG) {
+
+            if (parser.getEventType() != XmlPullParser.START_TAG) {
+                continue;
+            }
+            String name = parser.getName();
+            String namespace = parser.getNamespace();
+
+            if (name.equals("collection") && namespace.equals(ns)) {
+                // We found <d:collection/>, so it's a folder
+                isCollection = true;
+                // Since <d:collection/> is usually an empty tag, just consume it.
+                // It might contain text if there's whitespace, so consume text then end tag.
+                if (parser.next() == XmlPullParser.TEXT) {
+                    parser.nextTag(); // Move to the end tag
+                }
+                parser.require(XmlPullParser.END_TAG, ns, "collection");
+            } else {
+                // Skip any other unexpected tags within <d:resourcetype>
+                skip(parser);
+            }
+        }
+        // After reading all children of <d:resourcetype>, ensure we are at its END_TAG
+        parser.require(XmlPullParser.END_TAG, ns, "resourcetype");
+        return isCollection;
+    }
+
     private void skip(XmlPullParser parser) throws XmlPullParserException, IOException {
         android.util.Log.d("PARSE", "skipping " + parser.getName());
 

src/java/JavaFileStorageTest-AS/app/src/main/AndroidManifest.xml

@@ -6,8 +6,7 @@
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:supportsRtl="true">
         <activity android:name="com.crocoapps.javafilestoragetest2.MainActivity"
                   android:exported="true">
             <intent-filter>

src/java/JavaFileStorageTest-AS/app/src/main/java/com/crocoapps/javafilestoragetest2/MainActivity.java

@@ -548,7 +548,7 @@ public class MainActivity extends Activity implements JavaFileStorage.FileStorag
 
 
 		//storageToTest = new GoogleDriveAppDataFileStorage();
-		/*storageToTest = new WebDavStorage(new ICertificateErrorHandler() {
+		storageToTest = new WebDavStorage(new ICertificateErrorHandler() {
 			@Override
 			public boolean onValidationError(String error) {
 				return false;
@@ -558,12 +558,12 @@ public class MainActivity extends Activity implements JavaFileStorage.FileStorag
 			public boolean alwaysFailOnValidationError() {
 				return false;
 			}
-		});
-*/
+		}, 64*1024);
+
 		//storageToTest =  new DropboxV2Storage(ctx,"4ybka4p4a1027n6", "1z5lv528un9nre8", !simulateRestart);
 		//storageToTest =  new DropboxFileStorage(ctx,"4ybka4p4a1027n6", "1z5lv528un9nre8", !simulateRestart);
 		//storageToTest = new DropboxAppFolderFileStorage(ctx,"ax0268uydp1ya57", "3s86datjhkihwyc", true);
-		storageToTest = new GoogleDriveFullFileStorage();
+		// storageToTest = new GoogleDriveFullFileStorage();
 
 
 		return storageToTest;

src/java/JavaFileStorageTest-AS/app/src/main/res/layout/sftp_credentials.xml

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
+<LinearLayout
     android:orientation="vertical"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
@@ -216,4 +219,5 @@
             android:layout_marginLeft="5dp"
             android:text="Resolve" />
     </LinearLayout>
-</LinearLayout>
+</LinearLayout>
+</ScrollView>

src/java/JavaFileStorageTest-AS/app/src/main/res/layout/webdav_credentials.xml

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
@@ -36,4 +39,5 @@
         android:hint="@string/hint_pass"
         android:importantForAccessibility="no" />
 
-</LinearLayout>
+</LinearLayout>
+</ScrollView>

src/java/android-filechooser-AS/app/src/main/res/values-it/strings.xml

@@ -56,15 +56,15 @@
     <string name="afc_title_sort_by">Ordina per…</string>
     <string name="afc_yesterday">Ieri</string>
     <plurals name="afc_title_choose_directories">
-        <item quantity="one">Scegli la cartella&#8230;</item>
-        <item quantity="other">Scegli le cartelle&#8230;</item>
+        <item quantity="one">Scegli cartella...</item>
+        <item quantity="other">Scegli le cartelle...</item>
     </plurals>
     <plurals name="afc_title_choose_files">
-        <item quantity="one">Scegli il file&#8230;</item>
-        <item quantity="other">Scegli i file&#8230;</item>
+        <item quantity="one">Scegli il file</item>
+        <item quantity="other">Scegli i file</item>
     </plurals>
     <plurals name="afc_title_choose_files_directories">
-        <item quantity="one">Scegli file/ cartella&#8230;</item>
-        <item quantity="other">Scegli file/ cartelle&#8230;</item>
+        <item quantity="one">Scegli file/cartella</item>
+        <item quantity="other">Scegli file/cartelle</item>
     </plurals>
 </resources>

src/java/android-filechooser-AS/app/src/main/res/values-ro/strings.xml

@@ -55,4 +55,19 @@
     <string name="afc_title_size">Dimensiune</string>
     <string name="afc_title_sort_by">Sortează după…</string>
     <string name="afc_yesterday">Ieri</string>
+    <plurals name="afc_title_choose_directories">
+        <item quantity="one">Alege dosarul…</item>
+        <item quantity="few">Alege dosarele…</item>
+        <item quantity="other">Alege dosarele…</item>
+    </plurals>
+    <plurals name="afc_title_choose_files">
+        <item quantity="one">Alege fișierul…</item>
+        <item quantity="few">Alege fișierele…</item>
+        <item quantity="other">Alege fișierele…</item>
+    </plurals>
+    <plurals name="afc_title_choose_files_directories">
+        <item quantity="one">Alege fișierul/dosarul…</item>
+        <item quantity="few">Alege fișierele/dosarele…</item>
+        <item quantity="other">Alege fișierele/dosarele…</item>
+    </plurals>
 </resources>

src/keepass2android-app/AboutDialog.cs

@@ -59,7 +59,7 @@ namespace keepass2android
 					}
 					catch (ActivityNotFoundException)
 					{
-						Toast.MakeText(Context, Resource.String.no_url_handler, ToastLength.Long).Show();
+                        App.Kp2a.ShowMessage(Context, Resource.String.no_url_handler, MessageSeverity.Error);
 					}
 
 				};
@@ -71,7 +71,7 @@ namespace keepass2android
 				}
 				catch (ActivityNotFoundException)
 				{
-					Toast.MakeText(Context, Resource.String.no_url_handler, ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(Context, Resource.String.no_url_handler,  MessageSeverity.Error);
 				}
 			};
 			FindViewById(Resource.Id.translate).Click += delegate
@@ -82,7 +82,7 @@ namespace keepass2android
 				}
 				catch (ActivityNotFoundException)
 				{
-					Toast.MakeText(Context, Resource.String.no_url_handler, ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(Context, Resource.String.no_url_handler,  MessageSeverity.Error);
 				}
 			}; FindViewById(Resource.Id.donate).Click += delegate
 			{

src/keepass2android-app/AppKilledInfo.cs

@@ -14,7 +14,7 @@ using keepass2android;
 
 namespace keepass2android
 {
-	[Activity(Label = AppNames.AppName)]
+	[Activity(Label = AppNames.AppName, Theme = "@style/Kp2aTheme_BlueNoActionBar")]
 	public class AppKilledInfo : Activity, IDialogInterfaceOnDismissListener
 	{
 		protected override void OnCreate(Bundle bundle)

src/keepass2android-app/ChangeLog.cs

@@ -31,6 +31,12 @@ namespace keepass2android
 			MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(ctx);
 			builder.SetTitle(ctx.GetString(Resource.String.ChangeLog_title));
 			List<string> changeLog = new List<string>{
+				#if !NoNet
+				BuildChangelogString(ctx, new List<int>{Resource.Array.ChangeLog_1_14_net}, "1.14"),
+				#endif
+
+                BuildChangelogString(ctx, new List<int>{Resource.Array.ChangeLog_1_13}, "1.13"),
+
                 BuildChangelogString(ctx, new List<int>{Resource.Array.ChangeLog_1_12
 #if !NoNet
 					,Resource.Array.ChangeLog_1_12_net

src/keepass2android-app/CreateDatabaseActivity.cs

@@ -183,7 +183,7 @@ namespace keepass2android
 			// Verify that a password or keyfile is set
 			if (password.Length == 0 && !keyfileCheckbox.Checked)
 			{
-				Toast.MakeText(this, Resource.String.error_nopass, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, Resource.String.error_nopass,  MessageSeverity.Error);
 				return;
 			}
 
@@ -207,7 +207,7 @@ namespace keepass2android
 				}
 				catch (Exception)
 				{
-					Toast.MakeText(this, Resource.String.error_adding_keyfile, ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(this, Resource.String.error_adding_keyfile,  MessageSeverity.Error);
 					return;
 				}
 			}
@@ -235,7 +235,7 @@ namespace keepass2android
 			if (! pass.Equals(confpass))
 			{
 				// Passwords do not match
-				Toast.MakeText(this, Resource.String.error_pass_match, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, Resource.String.error_pass_match,  MessageSeverity.Error);
 				return false;
 			}
 			return true;

src/keepass2android-app/CreateNewFilename.cs

@@ -28,7 +28,7 @@ namespace keepass2android
 			}
 			catch (Exception e)
 			{
-				Finish(false, e.Message);
+				Finish(false, Util.GetErrorMessage(e));
 			}
 
 		}

src/keepass2android-app/DisableAutofillForQueryActivity.cs

@@ -19,7 +19,7 @@ using keepass2android.services.AutofillBase;
 
 namespace keepass2android
 {
-    [Activity(Label = "DisableAutofillForQueryActivity")]
+    [Activity(Label = "DisableAutofillForQueryActivity", Theme = "@style/Kp2aTheme_ActionBar")]
     public class DisableAutofillForQueryActivity : Activity
     {
         public IAutofillIntentBuilder IntentBuilder = new Kp2aAutofillIntentBuilder();
@@ -41,7 +41,7 @@ namespace keepass2android
             string requestedUrl = Intent.GetStringExtra(ChooseForAutofillActivityBase.ExtraQueryString);
             if (requestedUrl == null)
             {
-                Toast.MakeText(this, "Cannot execute query for null.", ToastLength.Long).Show();
+                App.Kp2a.ShowMessage(this, "Cannot execute query for null.",  MessageSeverity.Error);
                 RestartApp();
                 return;
             }
@@ -63,8 +63,6 @@ namespace keepass2android
 
             prefs.Edit().PutStringSet("AutoFillDisabledQueries", disabledValues).Commit();
 
-            bool isManual = Intent.GetBooleanExtra(ChooseForAutofillActivityBase.ExtraIsManualRequest, false);
-            
             Intent reply = new Intent();
             FillResponse.Builder builder = new FillResponse.Builder();
             AssistStructure structure = (AssistStructure)Intent.GetParcelableExtra(AutofillManager.ExtraAssistStructure);
@@ -77,7 +75,7 @@ namespace keepass2android
             StructureParser parser = new StructureParser(this, structure);
             try
             {
-                parser.ParseForFill(isManual);
+                parser.ParseForFill();
 
             }
             catch (Java.Lang.SecurityException e)

src/keepass2android-app/EntryActivity.cs

@@ -78,7 +78,7 @@ namespace keepass2android
             var task = new EntryActivity.WriteBinaryTask(_activity, App.Kp2a, new ActionOnFinish(_activity, (success, message, activity) =>
                 {
                     if (!success)
-                        Toast.MakeText(activity, message, ToastLength.Long).Show();
+                        App.Kp2a.ShowMessage(activity, message,  MessageSeverity.Error);
                 }
             ), ((EntryActivity)_activity).Entry.Binaries.Get(_binaryToSave), ioc);
             ProgressTask pt = new ProgressTask(App.Kp2a, _activity, task);
@@ -107,8 +107,8 @@ namespace keepass2android
 
 	    public const int requestCodeBinaryFilename = 42376;
         public const int requestCodeSelFileStorageForWriteAttachment = 42377;
-	    
 
+        protected override View? SnackbarAnchorView => FindViewById(Resource.Id.main_content);
 
         public static void Launch(Activity act, PwEntry pw, int pos, AppTask appTask, ActivityFlags? flags = null, int historyIndex=-1)
 		{
@@ -767,9 +767,9 @@ namespace keepass2android
 
 	            if (parent == null || (parent.Exists() && !parent.IsDirectory))
 	            {
-	                Toast.MakeText(this,
+	                App.Kp2a.ShowMessage(this,
 	                    Resource.String.error_invalid_path,
-	                    ToastLength.Long).Show();
+	                     MessageSeverity.Error);
 	                return null;
 	            }
 
@@ -778,9 +778,9 @@ namespace keepass2android
 	                // Create parent directory
 	                if (!parent.Mkdirs())
 	                {
-	                    Toast.MakeText(this,
+	                    App.Kp2a.ShowMessage(this,
 	                        Resource.String.error_could_not_create_parent,
-	                        ToastLength.Long).Show();
+	                         MessageSeverity.Error);
 	                    return null;
 
 	                }
@@ -794,18 +794,18 @@ namespace keepass2android
 	            }
 	            catch (Exception exWrite)
 	            {
-	                Toast.MakeText(this,
+	                App.Kp2a.ShowMessage(this,
 	                    GetString(Resource.String.SaveAttachment_Failed, new Java.Lang.Object[] {filename})
-	                    + exWrite.Message, ToastLength.Long).Show();
+	                    + Util.GetErrorMessage(exWrite),  MessageSeverity.Error);
 	                return null;
 	            }
 	            finally
 	            {
 	                MemUtil.ZeroByteArray(pbData);
 	            }
-	            Toast.MakeText(this,
+	            App.Kp2a.ShowMessage(this,
 	                GetString(Resource.String.SaveAttachment_doneMessage, new Java.Lang.Object[] {filename}),
-	                ToastLength.Short).Show();
+	                 MessageSeverity.Info);
 	            return Uri.Parse("content://" + AttachmentContentProvider.Authority + "/"
 	                             + filename);
 	        }
@@ -838,7 +838,7 @@ namespace keepass2android
 				catch (ActivityNotFoundException)
 				{
 					//ignore
-					Toast.MakeText(this, "Couldn't open file", ToastLength.Short).Show();
+					App.Kp2a.ShowMessage(this, "Couldn't open file",  MessageSeverity.Error);
 				}
 			}
 
@@ -1305,7 +1305,7 @@ namespace keepass2android
 	            }
 	            catch (Exception ex)
 	            {
-	                Finish(false, ex.Message);
+	                Finish(false, Util.GetErrorMessage(ex));
 	            }
 
 
@@ -1546,10 +1546,10 @@ namespace keepass2android
             string url = _stringViews[urlFieldKey].Text;
 			if (url == null) return false;
 
-			// Default http:// if no protocol specified
+			// Default https:// if no protocol specified
 			if ((!url.Contains(":") || (url.StartsWith("www."))))
 			{
-				url = "http://" + url;
+				url = "https://" + url;
 			}
 
 			try
@@ -1558,7 +1558,7 @@ namespace keepass2android
 			}
 			catch (ActivityNotFoundException)
 			{
-				Toast.MakeText(this, Resource.String.no_url_handler, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, Resource.String.no_url_handler,  MessageSeverity.Error);
 			}
 			return true;
 		}

src/keepass2android-app/EntryEditActivity.cs

@@ -37,8 +37,10 @@ using System.Net;
 using System.Text;
 using Android.Content.Res;
 using Android.Database;
+#if !NO_QR_SCANNER
 using Android.Gms.Common;
 using Android.Gms.Tasks;
+#endif
 using Android.Graphics;
 using Android.Graphics.Drawables;
 using Android.Runtime;
@@ -55,19 +57,20 @@ using Object = Java.Lang.Object;
 using Uri = Android.Net.Uri;
 using Resource = keepass2android.Resource;
 using Google.Android.Material.TextField;
+#if !NO_QR_SCANNER
 using Xamarin.Google.MLKit.Vision.Barcode.Common;
 using Xamarin.Google.MLKit.Vision.CodeScanner;
+#endif
 using Console = System.Console;
-using Task = Android.Gms.Tasks.Task;
 
 namespace keepass2android
 {
 	[Activity(Label = "@string/app_name", ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.Keyboard | ConfigChanges.KeyboardHidden, Theme = "@style/Kp2aTheme_ActionBar")]			
 	public class EntryEditActivity : LockCloseActivity {
-	    
 
-	    
-		public const String KeyEntry = "entry";
+        protected override View? SnackbarAnchorView => FindViewById(Resource.Id.main_content);
+
+        public const String KeyEntry = "entry";
 		public const String KeyParent = "parent";
 		public const String KeyTemplateUuid = "KeyTemplateUuid";
 		
@@ -331,13 +334,18 @@ namespace keepass2android
 
         }
 
-	    protected override void OnStart()
+        private bool hasRequestedKeyboardActivation = false;
+        protected override void OnStart()
 	    {
 	        base.OnStart();
 	        if (PreferenceManager.GetDefaultSharedPreferences(this)
-	            .GetBoolean(GetString(Resource.String.UseKp2aKeyboardInKp2a_key), false))
+	            .GetBoolean(GetString(Resource.String.UseKp2aKeyboardInKp2a_key), false)
+                && (!hasRequestedKeyboardActivation))
 	        {
-	            CopyToClipboardService.ActivateKeyboard(this);
+                //only try this once. if the user clicks cancel, we don't want to ask again
+				// (it may happen that the activity is restarted because of the NewTask flag immediately after the dialog)
+                hasRequestedKeyboardActivation = true;
+                CopyToClipboardService.ActivateKeyboard(this);
 	        }
         }
 
@@ -715,7 +723,7 @@ namespace keepass2android
 			}
 			catch(Exception exAttach)
 			{
-				Toast.MakeText(this, GetString(Resource.String.AttachFailed)+" "+exAttach.Message, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, GetString(Resource.String.AttachFailed)+" "+ Util.GetErrorMessage(exAttach),  MessageSeverity.Error);
 			}
 			State.EntryModified = true;
 			PopulateBinaries();
@@ -833,7 +841,7 @@ namespace keepass2android
 						string s = Util.GetFilenameFromInternalFileChooser(data, this);
 						if (s == null)
 						{
-							Toast.MakeText(this, "No URI retrieved.", ToastLength.Short).Show();
+							App.Kp2a.ShowMessage(this, "No URI retrieved.",  MessageSeverity.Error);
 							return;
 						}
 						uri = Uri.Parse(s);
@@ -1139,7 +1147,7 @@ namespace keepass2android
 				}
                 else
                 {
-					Toast.MakeText(this, "did not find target field", ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(this, "did not find target field",  MessageSeverity.Error);
                 }
                 
 				
@@ -1153,12 +1161,15 @@ namespace keepass2android
             {
                 dlgView.FindViewById(Resource.Id.totp_custom_settings_group).Visibility = args.IsChecked ? ViewStates.Visible : ViewStates.Gone;
             };
-
-            dlgView.FindViewById<Button>(Resource.Id.totp_scan).Click += async (object o, EventArgs args) =>
+#if NO_QR_SCANNER
+            dlgView.FindViewById<Button>(Resource.Id.totp_scan).Visibility = ViewStates.Gone;
+#else
+			dlgView.FindViewById<Button>(Resource.Id.totp_scan).Click += async (object o, EventArgs args) =>
             {
                 if (GoogleApiAvailability.Instance.IsGooglePlayServicesAvailable(this) != ConnectionResult.Success)
                 {
-                    Toast.MakeText(this, Resource.String.qr_scanning_error_no_google_play_services, ToastLength.Long);
+                    App.Kp2a.ShowMessage(this, Resource.String.qr_scanning_error_no_google_play_services,
+                        MessageSeverity.Error);
                     return;
                 }
 
@@ -1178,16 +1189,17 @@ namespace keepass2android
                         }
                         else
                         {
-                            Toast.MakeText(this, "Scanned code should contain an otpauth:// text.", ToastLength.Long).Show();
+                            App.Kp2a.ShowMessage(this, "Scanned code should contain an otpauth:// text.",  MessageSeverity.Warning);
                         }
                     }))
                     .AddOnFailureListener(new FailureListener((e) =>
                     {
-                        Console.WriteLine($"Scan failed: {e.Message}");
+                        Console.WriteLine($"Scan failed: {Util.GetErrorMessage(e)}");
                     }));
 
 
             };
+#endif
 
 			//copy values from entry into dialog
 			View ees = (View)sender.Parent;
@@ -1503,7 +1515,7 @@ namespace keepass2android
 			// Require title
 			String title = Util.GetEditText(this, Resource.Id.entry_title);
 			if ( title.Length == 0 ) {
-				Toast.MakeText(this, Resource.String.error_title_required, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, Resource.String.error_title_required,  MessageSeverity.Error);
 				return false;
 			}
 			
@@ -1513,7 +1525,7 @@ namespace keepass2android
 			DateTime newExpiry = new DateTime();
 			if ((State.Entry.Expires) && (!DateTime.TryParse( Util.GetEditText(this,Resource.Id.entry_expires), out newExpiry)))
 		    {
-				Toast.MakeText(this, Resource.String.error_invalid_expiry_date, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, Resource.String.error_invalid_expiry_date,  MessageSeverity.Error);
 				return false;
 			}
 			State.Entry.ExpiryTime = newExpiry.ToUniversalTime();
@@ -1527,13 +1539,13 @@ namespace keepass2android
 				string key = keyView.Text;
 				
 				if (String.IsNullOrEmpty(key)) {
-					Toast.MakeText(this, Resource.String.error_string_key, ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(this, Resource.String.error_string_key,  MessageSeverity.Error);
 					return false;
 				}
 
 				if (allKeys.Contains(key))
 				{
-					Toast.MakeText(this, GetString(Resource.String.error_string_duplicate_key, new Object[]{key}), ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(this, GetString(Resource.String.error_string_duplicate_key, new Object[]{key}),  MessageSeverity.Error);
 					return false;
 				}
 
@@ -1566,6 +1578,7 @@ namespace keepass2android
 
 		}
 	}
+#if !NO_QR_SCANNER
     public class SuccessListener : Object, IOnSuccessListener
     {
         private readonly Action<Barcode> _onSuccess;
@@ -1595,8 +1608,9 @@ namespace keepass2android
             _onFailure?.Invoke(e);
         }
     }
+#endif
 
-    public class DefaultEdit : EditModeBase
+	public class DefaultEdit : EditModeBase
 	{
 		
 	}

src/keepass2android-app/ExportDatabaseActivity.cs

@@ -29,9 +29,9 @@ namespace keepass2android
             var exportDb = new ExportDatabaseActivity.ExportDb(_activity, App.Kp2a, new ActionOnFinish(_activity, (success, message, activity) =>
                 {
                     if (!success)
-                        Toast.MakeText(activity, message, ToastLength.Long).Show();
+                        App.Kp2a.ShowMessage(activity, message,  MessageSeverity.Error);
                     else
-                        Toast.MakeText(activity, _activity.GetString(Resource.String.export_database_successful), ToastLength.Long).Show();
+                        App.Kp2a.ShowMessage(activity, _activity.GetString(Resource.String.export_database_successful),  MessageSeverity.Info);
                     activity.Finish();
                 }
             ), _ffp, ioc);
@@ -140,7 +140,7 @@ namespace keepass2android
 				}
 				catch (Exception ex)
 				{
-					Finish(false, ex.Message);
+					Finish(false, Util.GetErrorMessage(ex));
 				}
 
 

src/keepass2android-app/FileSaveProcessManager.cs

@@ -107,7 +107,7 @@ namespace keepass2android
                             {
                                 if (!success)
                                 {
-                                    Toast.MakeText(activity, messageOrFilename, ToastLength.Long).Show();
+                                    App.Kp2a.ShowMessage(activity, messageOrFilename,  MessageSeverity.Error);
                                     return;
                                 }
                                 SaveFile(new IOConnectionInfo { Path = FileSelectHelper.ConvertFilenameToIocPath(messageOrFilename) });

src/keepass2android-app/FileSelectHelper.cs

@@ -4,12 +4,15 @@ using System.Linq;
 using System.Net;
 #if !NoNet
 using FluentFTP;
+using static Kp2aBusinessLogic.Io.SmbFileStorage;
 #endif
 using System.Text;
 
 using Android.App;
 using Android.Content;
+using Android.Content.Res;
 using Android.OS;
+using Android.Preferences;
 using Android.Runtime;
 using Android.Views;
 using Android.Widget;
@@ -23,6 +26,7 @@ using Keepass2android.Javafilestorage;
 using KeePassLib.Serialization;
 using KeePassLib.Utility;
 
+
 namespace keepass2android
 {
 	public class FileSelectHelper
@@ -115,6 +119,7 @@ namespace keepass2android
 				string keyContent = keyContentTxt.Text;
 
 				string toastMsg = null;
+				MessageSeverity severity = MessageSeverity.Info;
                 if (!string.IsNullOrEmpty(keyName) && !string.IsNullOrEmpty(keyContent))
 				{
 					try
@@ -127,8 +132,10 @@ namespace keepass2android
 					catch (Exception e)
 					{
 						toastMsg = ctx.GetString(Resource.String.private_key_save_failed,
-							new Java.Lang.Object[] { e.Message });
-					}
+							new Java.Lang.Object[] { Util.GetErrorMessage(e)});
+                        severity = MessageSeverity.Error;
+
+                    }
 				}
 				else
 				{
@@ -136,7 +143,7 @@ namespace keepass2android
 				}
 
 				if (toastMsg!= null) {
-                    Toast.MakeText(_activity, toastMsg, ToastLength.Long).Show();
+                    App.Kp2a.ShowMessage(_activity, toastMsg,  severity);
                 }
 
 				UpdatePrivateKeyNames(keyNamesAdapter, fileStorage, ctx);
@@ -153,7 +160,7 @@ namespace keepass2android
 
 					int msgId = deleted ? Resource.String.private_key_delete : Resource.String.private_key_delete_failed;
 					string msg = ctx.GetString(msgId, new Java.Lang.Object[] { keyName });
-                    Toast.MakeText(_activity, msg, ToastLength.Long).Show();
+                    App.Kp2a.ShowMessage(_activity, msg,  deleted ? MessageSeverity.Info :MessageSeverity.Error);
 
 					UpdatePrivateKeyNames(keyNamesAdapter, fileStorage, ctx);
 					keySpinner.SetSelection(SftpKeySpinnerCreateNewIdx);
@@ -271,7 +278,8 @@ namespace keepass2android
 
 			builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
 			builder.SetTitle(activity.GetString(Resource.String.enter_sftp_login_title));
-			Dialog dialog = builder.Create();
+            builder.SetCancelable(false);
+            Dialog dialog = builder.Create();
 
 			dialog.Show();
 #endif
@@ -316,7 +324,7 @@ namespace keepass2android
 			View dlgContents = activity.LayoutInflater.Inflate(Resource.Layout.httpcredentials, null);
 		    if (!defaultPath.EndsWith(_schemeSeparator))
 		    {
-		        var webdavStorage = new Keepass2android.Javafilestorage.WebDavStorage(App.Kp2a.CertificateErrorHandler);
+		        var webdavStorage = CreateWebdavStorage(activity);
 		        var connInfo = webdavStorage.SplitStringToConnectionInfo(defaultPath);
 		        dlgContents.FindViewById<EditText>(Resource.Id.http_url).Text = connInfo.Url;
 		        dlgContents.FindViewById<EditText>(Resource.Id.http_user).Text = connInfo.Username;
@@ -336,7 +344,7 @@ namespace keepass2android
 										  string scheme = defaultPath.Substring(0, defaultPath.IndexOf(_schemeSeparator, StringComparison.Ordinal));
 										  if (host.Contains(_schemeSeparator) == false)
 											  host = scheme + _schemeSeparator + host;
-										  string httpPath = new Keepass2android.Javafilestorage.WebDavStorage(null).BuildFullPath(host, user,
+										  string httpPath = CreateWebdavStorage(activity).BuildFullPath(host, user,
 																										  password);
 										  onStartBrowse(httpPath);
 									  });
@@ -344,13 +352,61 @@ namespace keepass2android
 
 			builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
 			builder.SetTitle(activity.GetString(Resource.String.enter_http_login_title));
-			Dialog dialog = builder.Create();
+            builder.SetCancelable(false);
+            Dialog dialog = builder.Create();
 
 			dialog.Show();
 #endif
 		}
 
-		private void ShowFtpDialog(Activity activity, Util.FileSelectedHandler onStartBrowse, Action onCancel, string defaultPath)
+
+        private void ShowSmbDialog(Activity activity, Util.FileSelectedHandler onStartBrowse, Action onCancel, string defaultPath)
+        {
+#if !EXCLUDE_JAVAFILESTORAGE && !NoNet
+            MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(activity);
+            View dlgContents = activity.LayoutInflater.Inflate(Resource.Layout.smbcredentials, null);
+            if (!defaultPath.EndsWith(_schemeSeparator))
+            {
+                SmbConnectionInfo ci = new SmbConnectionInfo(new IOConnectionInfo() { Path = defaultPath });
+                
+                dlgContents.FindViewById<EditText>(Resource.Id.smb_url).Text = ci.GetPathWithoutCredentials();
+                dlgContents.FindViewById<EditText>(Resource.Id.smb_domain).Text = ci.Domain;
+                dlgContents.FindViewById<EditText>(Resource.Id.smb_user).Text = ci.Username;
+                dlgContents.FindViewById<EditText>(Resource.Id.smb_password).Text = ci.Password;
+
+
+            }
+            builder.SetView(dlgContents);
+            builder.SetPositiveButton(Android.Resource.String.Ok,
+                                      (sender, args) =>
+                                      {
+                                          string url = dlgContents.FindViewById<EditText>(Resource.Id.smb_url).Text;
+
+                                          string user = dlgContents.FindViewById<EditText>(Resource.Id.smb_user).Text;
+                                          string password = dlgContents.FindViewById<EditText>(Resource.Id.smb_password).Text;
+                                          string domain = dlgContents.FindViewById<EditText>(Resource.Id.smb_domain).Text;
+
+                                          string fullPath = SmbConnectionInfo.FromUrlAndCredentials(url, user, password, domain).ToPath();
+                                          onStartBrowse(fullPath);
+                                      });
+			builder.SetCancelable(false);
+			
+            EventHandler<DialogClickEventArgs> evtH = new EventHandler<DialogClickEventArgs>((sender, e) => onCancel());
+
+            builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
+            builder.SetTitle(activity.GetString(Resource.String.enter_smb_login_title));
+            Dialog dialog = builder.Create();
+
+            dialog.Show();
+#endif
+		}
+#if !NoNet
+        private static WebDavStorage CreateWebdavStorage(Activity activity)
+        {
+            return new WebDavStorage(App.Kp2a.CertificateErrorHandler, App.Kp2a.WebDavChunkedUploadSize);
+        }
+#endif
+        private void ShowFtpDialog(Activity activity, Util.FileSelectedHandler onStartBrowse, Action onCancel, string defaultPath)
 		{
 #if !NoNet
 			MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(activity);
@@ -400,7 +456,8 @@ namespace keepass2android
 
 			builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
 			builder.SetTitle(activity.GetString(Resource.String.enter_ftp_login_title));
-			Dialog dialog = builder.Create();
+            builder.SetCancelable(false);
+            Dialog dialog = builder.Create();
 
 			dialog.Show();
 #endif
@@ -460,7 +517,8 @@ namespace keepass2android
 
 			builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
 			builder.SetTitle(activity.GetString(Resource.String.enter_mega_login_title));
-			Dialog dialog = builder.Create();
+            builder.SetCancelable(false);
+            Dialog dialog = builder.Create();
 
 			dialog.Show();
 #endif
@@ -476,7 +534,9 @@ namespace keepass2android
 				ShowFtpDialog(_activity, ReturnFileOrStartFileChooser, ReturnCancel, defaultPath);
 			else if ((defaultPath.StartsWith("http://")) || (defaultPath.StartsWith("https://")))
 				ShowHttpDialog(_activity, ReturnFileOrStartFileChooser, ReturnCancel, defaultPath);
-			else if (defaultPath.StartsWith("owncloud://"))
+            else if ((defaultPath.StartsWith("smb://")))
+                ShowSmbDialog(_activity, ReturnFileOrStartFileChooser, ReturnCancel, defaultPath);
+            else if (defaultPath.StartsWith("owncloud://"))
 				ShowOwncloudDialog(_activity, ReturnFileOrStartFileChooser, ReturnCancel, defaultPath, "owncloud");
 			else if (defaultPath.StartsWith("nextcloud://"))
 			    ShowOwncloudDialog(_activity, ReturnFileOrStartFileChooser, ReturnCancel, defaultPath, "nextcloud");
@@ -515,7 +575,7 @@ namespace keepass2android
 										  string scheme = defaultPath.Substring(0,defaultPath.IndexOf(_schemeSeparator, StringComparison.Ordinal));
 										  if (host.Contains(_schemeSeparator) == false)
 											  host = scheme + _schemeSeparator + host;
-										  string httpPath = new Keepass2android.Javafilestorage.WebDavStorage(null).BuildFullPath(WebDavFileStorage.Owncloud2Webdav(host, subtype == "owncloud" ? WebDavFileStorage.owncloudPrefix : WebDavFileStorage.nextcloudPrefix), user,
+										  string httpPath = CreateWebdavStorage(activity).BuildFullPath(WebDavFileStorage.Owncloud2Webdav(host, subtype == "owncloud" ? WebDavFileStorage.owncloudPrefix : WebDavFileStorage.nextcloudPrefix), user,
 																										  password);
 										  onStartBrowse(httpPath);
 									  });
@@ -523,7 +583,8 @@ namespace keepass2android
 
 			builder.SetNegativeButton(Android.Resource.String.Cancel, evtH);
 			builder.SetTitle(activity.GetString(subtype == "owncloud" ?  Resource.String.enter_owncloud_login_title : Resource.String.enter_nextcloud_login_title));
-			Dialog dialog = builder.Create();
+            builder.SetCancelable(false);
+            Dialog dialog = builder.Create();
 		    dlgContents.FindViewById<EditText>(Resource.Id.owncloud_url).SetHint(subtype == "owncloud" ? Resource.String.hint_owncloud_url : Resource.String.hint_nextcloud_url);
             dialog.Show();
 #endif
@@ -581,9 +642,9 @@ namespace keepass2android
 			// Make sure file name exists
 			if (filename.Length == 0)
 			{
-				Toast.MakeText(_activity,
+				App.Kp2a.ShowMessage(_activity,
 								Resource.String.error_filename_required,
-								ToastLength.Long).Show();
+								 MessageSeverity.Error);
 				return false;
 			}
 
@@ -604,9 +665,9 @@ namespace keepass2android
 			}
 			catch (NoFileStorageFoundException)
 			{
-				Toast.MakeText(_activity,
+				App.Kp2a.ShowMessage(_activity,
 								"Unexpected scheme in "+filename,
-								ToastLength.Long).Show();
+								 MessageSeverity.Error);
 				return false;
 			}
 
@@ -620,9 +681,9 @@ namespace keepass2android
 
 					if (parent == null || (parent.Exists() && !parent.IsDirectory))
 					{
-						Toast.MakeText(_activity,
+						App.Kp2a.ShowMessage(_activity,
 							            Resource.String.error_invalid_path,
-							            ToastLength.Long).Show();
+							             MessageSeverity.Error);
 						return false;
 					}
 
@@ -631,9 +692,9 @@ namespace keepass2android
 						// Create parent dircetory
 						if (!parent.Mkdirs())
 						{
-							Toast.MakeText(_activity,
+							App.Kp2a.ShowMessage(_activity,
 								            Resource.String.error_could_not_create_parent,
-								            ToastLength.Long).Show();
+								             MessageSeverity.Error);
 							return false;
 
 						}
@@ -643,11 +704,11 @@ namespace keepass2android
 				}
 				catch (Java.IO.IOException ex)
 				{
-					Toast.MakeText(
+					App.Kp2a.ShowMessage(
 						_activity,
 						_activity.GetText(Resource.String.error_file_not_create) + " "
 						+ ex.LocalizedMessage,
-						ToastLength.Long).Show();
+						 MessageSeverity.Error);
 					return false;
 				}
 
@@ -700,7 +761,7 @@ namespace keepass2android
 			_activity.StartActivityForResult(i, _requestCode);
 
 #else
-			Toast.MakeText(LocaleManager.LocalizedAppContext, "File chooser is excluded!", ToastLength.Long).Show();
+			App.Kp2a.ShowMessage(LocaleManager.LocalizedAppContext, "File chooser is excluded!",  MessageSeverity.Error);
 #endif
 			return true;
 		}
@@ -782,7 +843,7 @@ namespace keepass2android
 							{
 								if (!success)
 								{
-									Toast.MakeText(newActivity, messageOrFilename, ToastLength.Long).Show();
+									App.Kp2a.ShowMessage(newActivity, messageOrFilename,  MessageSeverity.Error);
 									return;
 								}
 								var ioc = new IOConnectionInfo { Path = ConvertFilenameToIocPath(messageOrFilename) };

src/keepass2android-app/FingerprintSetupActivity.cs

@@ -251,7 +251,7 @@ namespace keepass2android
 			catch (Exception e)
 			{
 				CheckCurrentRadioButton();
-				Toast.MakeText(this, e.ToString(), ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, e.ToString(),  MessageSeverity.Error);
 				FindViewById(Resource.Id.radio_buttons).Visibility = ViewStates.Visible;
 				FindViewById(Resource.Id.fingerprint_auth_container).Visibility = ViewStates.Gone;
 			}

src/keepass2android-app/GeneratePasswordActivity.cs

@@ -23,6 +23,7 @@ using Android.App;
 using Android.App.Admin;
 using Android.Content;
 using Android.Content.PM;
+using Android.Content.Res;
 using Android.Graphics;
 using Android.OS;
 using Android.Preferences;
@@ -66,10 +67,15 @@ namespace keepass2android
             Resource.Id.cb_exclude_lookalike
         };
 
+        
+
 		PasswordFont _passwordFont = new PasswordFont();
 
+        private static object _popularPasswordsLock = new object();
+        private static bool _popularPasswordsInitialized = false;
 
-		private ActivityDesign _design;
+
+        private ActivityDesign _design;
 	    public GeneratePasswordActivity()
 	    {
 		    _design = new ActivityDesign(this);
@@ -139,12 +145,14 @@ namespace keepass2android
 		protected override void OnCreate(Bundle savedInstanceState) {
 			_design.ApplyTheme(); 
 			base.OnCreate(savedInstanceState);
-			
+
 			SetContentView(Resource.Layout.generate_password);
 			SetResult(KeePass.ExitNormal);
-            
 
-			var prefs = GetPreferences(FileCreationMode.Private);
+            new Util.InsetListener(FindViewById(Resource.Id.main_container)).Apply();
+
+
+            var prefs = GetPreferences(FileCreationMode.Private);
 
 
             
@@ -302,6 +310,10 @@ namespace keepass2android
 
 
             EditText txtPasswordToSet = (EditText) FindViewById(Resource.Id.password_edit);
+            txtPasswordToSet.TextChanged += (sender, args) =>
+            {
+                Task.Run(() => UpdatePasswordStrengthEstimate(txtPasswordToSet.Text));
+            };
 
             _passwordFont.ApplyTo(txtPasswordToSet);
 
@@ -467,51 +479,76 @@ namespace keepass2android
                 return;
 
             String password = "";
-            uint passwordBits = 0;
+            
             
             Task.Run(() =>
             {
                 password = GeneratePassword();
-                passwordBits = QualityEstimation.EstimatePasswordBits(password.ToCharArray());
                 RunOnUiThread(() =>
                 {
                     EditText txtPassword = (EditText)FindViewById(Resource.Id.password_edit);
                     txtPassword.Text = password;
-
-                    var progressBar = FindViewById<ProgressBar>(Resource.Id.pb_password_strength);
-
-                    progressBar.Progress = (int)passwordBits;
-                    progressBar.Max = 128;
-
-                    Color color = new Color(196, 63, 49);
-                    if (passwordBits > 40)
-                    {
-                        color = new Color(219, 152, 55);
-                    }
-
-                    if (passwordBits > 64)
-                    {
-                        color = new Color(96, 138, 38);
-                    }
-
-                    if (passwordBits > 100)
-                    {
-                        color = new Color(31, 128, 31);
-                    }
-
-                    progressBar.ProgressDrawable.SetColorFilter(new PorterDuffColorFilter(color,
-                        PorterDuff.Mode.SrcIn));
-
-                    FindViewById<TextView>(Resource.Id.tv_password_strength).Text = " " + passwordBits + " bits";
-
-
-
                     UpdateProfileSpinnerSelection();
                 });
             });
             
         }
 
+        private void UpdatePasswordStrengthEstimate(string password)
+        {
+            lock (_popularPasswordsLock)
+            {
+                if (!_popularPasswordsInitialized)
+                {
+
+                    using (StreamReader sr = new StreamReader(Assets.Open("MostPopularPasswords.txt")))
+                    {
+                        var bytes = default(byte[]);
+                        using (var memstream = new MemoryStream())
+                        {
+                            sr.BaseStream.CopyTo(memstream);
+                            bytes = memstream.ToArray();
+                        }
+                        PopularPasswords.Add(bytes, false);
+                    }
+                }
+                    
+            }
+            uint passwordBits = QualityEstimation.EstimatePasswordBits(password.ToCharArray());
+
+
+
+
+            RunOnUiThread(() =>
+            {
+                var progressBar = FindViewById<ProgressBar>(Resource.Id.pb_password_strength);
+
+                progressBar.Progress = (int)passwordBits;
+                progressBar.Max = 128;
+
+                Color color = new Color(196, 63, 49);
+                if (passwordBits > 40)
+                {
+                    color = new Color(219, 152, 55);
+                }
+
+                if (passwordBits > 64)
+                {
+                    color = new Color(96, 138, 38);
+                }
+
+                if (passwordBits > 100)
+                {
+                    color = new Color(31, 128, 31);
+                }
+
+                progressBar.ProgressDrawable.SetColorFilter(new PorterDuffColorFilter(color,
+                    PorterDuff.Mode.SrcIn));
+
+                FindViewById<TextView>(Resource.Id.tv_password_strength).Text = " " + passwordBits + " bits";
+            });
+        }
+
         private void UpdateProfileSpinnerSelection()
         {
             int? lastUsedIndex = _profiles.TryFindLastUsedProfileIndex();
@@ -543,7 +580,7 @@ namespace keepass2android
             }
             catch (Exception e) 
             {
-				Toast.MakeText(this, e.Message, ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, Util.GetErrorMessage(e),  MessageSeverity.Error);
 			}
 			
 			return password;

src/keepass2android-app/GroupBaseActivity.cs

@@ -56,6 +56,8 @@ namespace keepass2android
 
         public const int RequestCodeActivateRealSearch = 12366;
 
+        protected override View? SnackbarAnchorView => FindViewById(Resource.Id.main_content);
+
         static readonly Dictionary<int /*resource id*/, int /*prio*/> bottomBarElementsPriority = new Dictionary<int, int>()
         {
             { Resource.Id.cancel_insert_element, 20 },
@@ -892,9 +894,14 @@ namespace keepass2android
                     RegisterInfoTextDisplay(
                         "DbReadOnly"); //this ensures that we don't show the general info texts too soon
 
-                    FindViewById<TextView>(Resource.Id.dbreadonly_infotext_text).Text =
-                    (GetString(Resource.String.FileReadOnlyMessagePre) + " " +
-                     App.Kp2a.GetResourceString(reason.Result));
+                    var infotext_view = FindViewById<TextView>(Resource.Id.dbreadonly_infotext_text);
+                    if (infotext_view != null)
+                    {
+                        infotext_view.Text =
+                            (GetString(Resource.String.FileReadOnlyMessagePre) + " " +
+                             App.Kp2a.GetResourceString(reason.Result));
+                    }
+                    
                 }
             }
             UpdateBottomBarElementVisibility(Resource.Id.dbreadonly_infotext, canShow);
@@ -927,7 +934,7 @@ namespace keepass2android
                 {
                     ((GroupBaseActivity)activity)?.StopMovingElements();
                     if (!String.IsNullOrEmpty(message))
-                        Toast.MakeText(activity, message, ToastLength.Long).Show();
+                        App.Kp2a.ShowMessage(activity, message,  MessageSeverity.Error);
                 }));
             var progressTask = new ProgressTask(App.Kp2a, this, moveElement);
             progressTask.Run();
@@ -1328,7 +1335,7 @@ namespace keepass2android
                 {
                     Handler.Post(() =>
                     {
-                        Toast.MakeText(ActiveActivity ?? LocaleManager.LocalizedAppContext, "Unrecoverable error: " + Message, ToastLength.Long).Show();
+                        App.Kp2a.ShowMessage(ActiveActivity ?? LocaleManager.LocalizedAppContext, "Unrecoverable error: " + Message,  MessageSeverity.Error);
                     });
 
                     App.Kp2a.Lock(false);

src/keepass2android-app/GroupEditActivity.cs

@@ -111,9 +111,10 @@ namespace keepass2android
 					SetResult (Result.Ok, intent);
 					
 					Finish ();
-				} else {
-					Toast.MakeText (this, Resource.String.error_no_name, ToastLength.Long).Show ();
-				}
+				} else
+                {
+                    App.Kp2a.ShowMessage(this, Resource.String.error_no_name, MessageSeverity.Error);
+                }
 			};
 
 			if (Intent.HasExtra(KeyGroupUuid))

src/keepass2android-app/KeeAutoExec.cs

@@ -316,7 +316,7 @@ namespace keepass2android
                 try { ck.AddUserKey(new KcpKeyFile(strAbs)); }
                 catch (InvalidOperationException)
                 {
-                    Toast.MakeText(LocaleManager.LocalizedAppContext,Resource.String.error_adding_keyfile,ToastLength.Long).Show();
+                    App.Kp2a.ShowMessage(LocaleManager.LocalizedAppContext,Resource.String.error_adding_keyfile, MessageSeverity.Error);
                     return false;
                 }
                 catch (Exception) { throw; }

src/keepass2android-app/KeeChallenge.cs

@@ -146,7 +146,16 @@ namespace KeeChallenge
             {
                 using (CryptoStream csDecrypt = (CryptoStream)aes.DecryptStream(msDecrypt, key, inf.IV))
                 {
-                    csDecrypt.Read(secret, 0, secret.Length);
+                    //read the secret from the stream
+                    int totalBytesRead = 0;
+
+                    int bytesRead = csDecrypt.Read(secret, totalBytesRead, secret.Length - totalBytesRead);
+                    while (bytesRead > 0 && totalBytesRead < secret.Length)
+                    {
+                        totalBytesRead += bytesRead;
+                        bytesRead = csDecrypt.Read(secret, totalBytesRead, secret.Length - totalBytesRead);
+                    }
+
                     csDecrypt.Close();
                 }
                 msDecrypt.Close();

src/keepass2android-app/LockingActivity.cs

@@ -21,8 +21,10 @@ using Android.App;
 using Android.Content;
 using Android.Content.PM;
 using Android.Runtime;
+using Android.Views;
 using Google.Android.Material.Dialog;
 using keepass2android;
+using keepass2android.Utils;
 
 namespace keepass2android
 {
@@ -76,19 +78,34 @@ namespace keepass2android
 			base.OnPause();
 			
 			TimeoutHelper.Pause(this);
-		}
+			App.Kp2a.MessagePresenter = new NonePresenter();
+        }
 
 		protected override void OnDestroy()
 		{
 			base.OnDestroy();
 			GC.Collect();
 		}
-		
-		protected override void OnResume() {
-			base.OnResume();
-			
-			TimeoutHelper.Resume(this);
-		}
+
+        protected override void OnResume()
+        {
+            base.OnResume();
+
+            TimeoutHelper.Resume(this);
+            var snackbarAnchorView = SnackbarAnchorView;
+            if (snackbarAnchorView != null)
+            {
+                App.Kp2a.MessagePresenter = new ChainedSnackbarPresenter(snackbarAnchorView);
+            }
+            else
+            {
+                App.Kp2a.MessagePresenter = new ToastPresenter();
+            }
+        }
+
+
+        protected virtual View? SnackbarAnchorView => null;
+    
 
 	    public const int RequestCodeChallengeYubikey = 793;
 

src/keepass2android-app/Manifests/AndroidManifest_debug.xml

@@ -43,7 +43,7 @@
   </queries>
 
 
-  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="35" />
   <permission android:description="@string/permission_desc2" android:icon="@drawable/ic_notify_locked" android:label="KP2A entry search" android:name="keepass2android.keepass2android_debug.permission.KP2aInternalSearch" android:protectionLevel="signature" />
   <permission android:description="@string/permission_desc3" android:icon="@drawable/ic_launcher" android:label="KP2A choose autofill dataset" android:name="keepass2android.keepass2android_debug.permission.Kp2aChooseAutofill" android:protectionLevel="signature" />
   <application

src/keepass2android-app/Manifests/AndroidManifest_net.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-			android:versionCode="204"
-			android:versionName="1.12-r3"
-			package="keepass2android.keepass2android"
-			xmlns:tools="http://schemas.android.com/tools"
-			android:installLocation="auto">
+      android:versionCode="223"
+      android:versionName="1.14-pre0"
+      package="keepass2android.keepass2android"
+      xmlns:tools="http://schemas.android.com/tools"
+      android:installLocation="auto">
 
 
   <queries>
@@ -42,17 +42,15 @@
       <action android:name="android.intent.action.VIEW" />
     </intent>
   </queries>
-  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="35" />
 
   <permission android:description="@string/permission_desc2" android:icon="@drawable/ic_launcher" android:label="KP2A entry search" android:name="keepass2android.keepass2android.permission.KP2aInternalSearch" android:protectionLevel="signature" />
   <permission android:description="@string/permission_desc3" android:icon="@drawable/ic_launcher" android:label="KP2A choose autofill dataset" android:name="keepass2android.keepass2android.permission.Kp2aChooseAutofill" android:protectionLevel="signature" />
-
   <application android:label="keepass2android"
-	android:icon="@mipmap/ic_launcher_online"
-	android:roundIcon="@mipmap/ic_launcher_online_round"
-	android:networkSecurityConfig="@xml/network_security_config"
-
-	>
+    android:icon="@mipmap/ic_launcher_online"
+    android:roundIcon="@mipmap/ic_launcher_online_round"
+    android:networkSecurityConfig="@xml/network_security_config"
+  >
 
     <meta-data
       android:name="com.google.mlkit.vision.DEPENDENCIES"
@@ -107,16 +105,15 @@
       </intent-filter>
     </activity>
     <activity android:name="keepass2android.softkeyboard.InputLanguageSelection"
-              
                android:exported="true">
-      <!-- android:label="@string/language_selection_title" TODO  -->
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
         <action android:name="keepass2android.softkeyboard.INPUT_LANGUAGE_SELECTION"/>
         <category android:name="android.intent.category.DEFAULT" />
       </intent-filter>
     </activity>
-    <activity android:configChanges="orientation|keyboard|keyboardHidden" android:label="@string/app_name" android:theme="@style/Kp2aTheme_BlueNoActionBar" android:name="keepass2android.SelectCurrentDbActivity"  android:windowSoftInputMode="adjustResize" android:exported="true">
+    <activity android:configChanges="orientation|keyboard|keyboardHidden" android:label="@string/app_name" android:theme="@style/Kp2aTheme_BlueNoActionBar" android:name="keepass2android.SelectCurrentDbActivity" android:windowSoftInputMode="adjustResize"
+    android:exported="true">
       <intent-filter android:label="@string/app_name">
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />

src/keepass2android-app/Manifests/AndroidManifest_nonet.xml

@@ -1,24 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
-			android:versionCode="200" 
-			android:versionName="1.11-r0" 
-			package="keepass2android.keepass2android_nonet"
-			xmlns:tools="http://schemas.android.com/tools"
-			android:installLocation="auto">
-			
-			
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      android:versionCode="223"
+      android:versionName="1.14-pre0"
+      package="keepass2android.keepass2android_nonet"
+      xmlns:tools="http://schemas.android.com/tools"
+      android:installLocation="auto">
+
+
   <queries>
     <!-- Specific intents and packages we query for (required since Android 11) -->
     <package android:name="keepass2android.plugin.keyboardswap2" />
     <package android:name="keepass2android.AncientIconSet" />
-	<package android:name="com.dropbox.android" />
+    <package android:name="keepass2android.plugin.qr" />
+    <package android:name="it.andreacioni.kp2a.plugin.keelink" />
+    <package android:name="com.inputstick.apps.kp2aplugin" />
+    <package android:name="com.dropbox.android" />
+
+    <intent>
+      <action android:name="android.intent.action.OPEN_DOCUMENT" />
+      <data android:mimeType="*/*" />
+    </intent>
 
     <intent>
-        <action android:name="android.intent.action.OPEN_DOCUMENT" />
-        <data android:mimeType="*/*" />
-      </intent>
-	  
-	  <intent>
       <action android:name="android.intent.action.GET_DOCUMENT" />
       <data android:mimeType="*/*" />
     </intent>
@@ -36,59 +39,57 @@
     </intent>
 
     <intent>
-        <action android:name="android.intent.action.VIEW" />
-	  </intent>
-  </queries>			
-			
-	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="34" />
+      <action android:name="android.intent.action.VIEW" />
+    </intent>
+  </queries>
+  <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="35" />
+
   <permission android:description="@string/permission_desc2" android:icon="@drawable/ic_launcher_offline" android:label="KP2A entry search" android:name="keepass2android.keepass2android_nonet.permission.KP2aInternalSearch" android:protectionLevel="signature" />
   <permission android:description="@string/permission_desc3" android:icon="@drawable/ic_launcher_offline" android:label="KP2A choose autofill dataset" android:name="keepass2android.keepass2android_nonet.permission.Kp2aChooseAutofill" android:protectionLevel="signature" />
-	<application 
-		android:label="keepass2android" 
-		android:icon="@mipmap/ic_launcher_offline"
-		android:networkSecurityConfig="@xml/network_security_config"
-	>
+  <application android:label="keepass2android"
+    android:icon="@mipmap/ic_launcher_offline"
+    android:roundIcon="@mipmap/ic_launcher_offline_round"
+    android:networkSecurityConfig="@xml/network_security_config"
+  >
 
     <meta-data
       android:name="com.google.mlkit.vision.DEPENDENCIES"
       android:value="barcode_ui"/>
 
-		<uses-library
+    <uses-library
             android:name="org.apache.http.legacy"
             android:required="false"/>
-	
-		<provider android:name="group.pals.android.lib.ui.filechooser.providers.localfile.LocalFileProvider" android:authorities="keepass2android.keepass2android_nonet.android-filechooser.localfile" android:exported="false" />
-		<provider android:name="group.pals.android.lib.ui.filechooser.providers.history.HistoryProvider" android:authorities="keepass2android.keepass2android_nonet.android-filechooser.history" android:exported="false" />
-		<activity android:name="group.pals.android.lib.ui.filechooser.FileChooserActivity" android:configChanges="keyboard|keyboardHidden|orientation|screenSize" android:screenOrientation="user" android:theme="@style/Afc.Theme.Light">
-		</activity>
+  
+    <provider android:name="group.pals.android.lib.ui.filechooser.providers.localfile.LocalFileProvider" android:authorities="keepass2android.keepass2android_nonet.android-filechooser.localfile" android:exported="false" />
+    <provider android:name="group.pals.android.lib.ui.filechooser.providers.history.HistoryProvider" android:authorities="keepass2android.keepass2android_nonet.android-filechooser.history" android:exported="false" />
+    <activity android:name="group.pals.android.lib.ui.filechooser.FileChooserActivity" android:configChanges="keyboard|keyboardHidden|orientation|screenSize" android:screenOrientation="user" android:theme="@style/Afc.Theme.Light">
+    </activity>
 
-		<service android:name="keepass2android.softkeyboard.KP2AKeyboard" android:permission="android.permission.BIND_INPUT_METHOD" android:exported="true">
-			<intent-filter>
-				<action android:name="android.view.InputMethod" />
-			</intent-filter>
-			<meta-data android:name="android.view.im" android:resource="@xml/method" />
-		</service>
-		<activity android:name="keepass2android.softkeyboard.LatinIMESettings" android:label="@string/english_ime_settings" android:exported="true">
-			<intent-filter>
-				<action android:name="android.intent.action.MAIN" />
-			</intent-filter>
-			<intent-filter>
-				<action android:name="keepass2android.softkeyboard.LatinIMESettings" />
-				<category android:name="android.intent.category.DEFAULT" />
-			</intent-filter>
-		</activity>
-		 <activity android:name="keepass2android.softkeyboard.InputLanguageSelection"
-                android:label="@string/language_selection_title"
-                android:exported="true">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <action android:name="keepass2android.softkeyboard.INPUT_LANGUAGE_SELECTION"/>
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
-        </activity>
- 
-		<activity android:configChanges="orientation|keyboard|keyboardHidden" android:label="@string/app_name" android:theme="@style/Kp2aTheme_BlueNoActionBar" android:name="keepass2android.SelectCurrentDbActivity" android:windowSoftInputMode="adjustResize"
-              android:exported="true">
+    <service android:name="keepass2android.softkeyboard.KP2AKeyboard" android:permission="android.permission.BIND_INPUT_METHOD" android:exported="true">
+      <intent-filter>
+        <action android:name="android.view.InputMethod" />
+      </intent-filter>
+      <meta-data android:name="android.view.im" android:resource="@xml/method" />
+    </service>
+    <activity android:name="keepass2android.softkeyboard.LatinIMESettings" android:label="@string/english_ime_settings" android:exported="true">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+      </intent-filter>
+      <intent-filter>
+        <action android:name="keepass2android.softkeyboard.LatinIMESettings" />
+        <category android:name="android.intent.category.DEFAULT" />
+      </intent-filter>
+    </activity>
+    <activity android:name="keepass2android.softkeyboard.InputLanguageSelection"
+               android:exported="true">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN"/>
+        <action android:name="keepass2android.softkeyboard.INPUT_LANGUAGE_SELECTION"/>
+        <category android:name="android.intent.category.DEFAULT" />
+      </intent-filter>
+    </activity>
+    <activity android:configChanges="orientation|keyboard|keyboardHidden" android:label="@string/app_name" android:theme="@style/Kp2aTheme_BlueNoActionBar" android:name="keepass2android.SelectCurrentDbActivity" android:windowSoftInputMode="adjustResize"
+    android:exported="true">
       <intent-filter android:label="@string/app_name">
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
@@ -98,11 +99,11 @@
         <data android:host="*" />
       </intent-filter>
 
-	  <intent-filter>
+      <intent-filter>
         <action android:name="kp2a.action.SelectCurrentDbActivity" />
         <category android:name="android.intent.category.DEFAULT" />
       </intent-filter>
-	  
+
       <intent-filter android:label="@string/app_name">
         <action android:name="android.intent.action.SEND" />
         <action android:name="android.intent.action.SEND_MULTIPLE" />
@@ -112,7 +113,7 @@
         <data android:mimeType="application/*" />
       </intent-filter>
 
-<!-- intent filter for opening database files 
+      <!-- intent filter for opening database files 
 Note that this stopped working nicely with Android 7, see e.g. https://stackoverflow.com/a/26635162/292233
 KP2A was using 
 <data android:scheme="content" />
@@ -126,7 +127,7 @@ The scheme=file is still there for old OS devices. It's also queried by apps lik
 -->
 
 
-<!-- This intent filter is for apps which use content with a URI containing the extension but no specific mimeType, e.g. ASTRO file manager -->
+      <!-- This intent filter is for apps which use content with a URI containing the extension but no specific mimeType, e.g. ASTRO file manager -->
 
       <intent-filter android:label="@string/app_name">
         <action android:name="android.intent.action.VIEW" />
@@ -168,7 +169,7 @@ The scheme=file is still there for old OS devices. It's also queried by apps lik
       </intent-filter>
 
       <!-- This intent filter is for apps which use content with a URI not containing the extension but at least specify mimeType=application/octet-stream, e.g. GoogleDrive or FolderSync -->
-<intent-filter android:label="@string/app_name">
+      <intent-filter android:label="@string/app_name">
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
         <category android:name="android.intent.category.BROWSABLE" />
@@ -218,24 +219,15 @@ The scheme=file is still there for old OS devices. It's also queried by apps lik
         <data android:pathPattern=".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\.kdb" />
       </intent-filter>
 
-      <intent-filter>
-        <action android:name="android.intent.action.VIEW"/>
-        <category android:name="android.intent.category.BROWSABLE"/>
-        <data
-          android:scheme="https"
-          android:host="my.yubico.com"
-          android:pathPrefix="/neo"/>
+      <intent-filter android:label="@string/kp2a_findUrl">
+        <action android:name="android.intent.action.SEND" />
+        <category android:name="android.intent.category.DEFAULT" />
+        <data android:mimeType="text/plain" />
+      </intent-filter>
+      <intent-filter>
+        <action android:name="keepass2android.ACTION_START_WITH_TASK" />
+        <category android:name="android.intent.category.DEFAULT" />
       </intent-filter>
-	  
-			<intent-filter android:label="@string/kp2a_findUrl">
-				<action android:name="android.intent.action.SEND" />
-				<category android:name="android.intent.category.DEFAULT" />
-				<data android:mimeType="text/plain" />
-			</intent-filter>
-			<intent-filter>
-				<action android:name="keepass2android.ACTION_START_WITH_TASK" />
-				<category android:name="android.intent.category.DEFAULT" />
-			</intent-filter>
       <intent-filter>
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
@@ -244,24 +236,28 @@ The scheme=file is still there for old OS devices. It's also queried by apps lik
         <data android:host="totp"/>
         <data android:host="hotp"/>
       </intent-filter>
-		</activity>
-		<uses-library android:required="false" android:name="com.sec.android.app.multiwindow" />
-		<meta-data android:name="com.sec.android.support.multiwindow" android:value="true" />
-		<meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_W" android:value="632.0dip" />
-		<meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_H" android:value="598.0dip" />
-		<meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_W" android:value="426.0dip" />
-		<meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_H" android:value="360.0dip" />
-	</application>
-	<uses-permission android:name="android.permission.VIBRATE" />
-	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-	<uses-permission android:name="android.permission.USE_FINGERPRINT" />
-  <uses-permission android:name="android.permission.USE_BIOMETRIC" />
-  <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
-  
-  <uses-feature android:name="android.hardware.camera" android:required="false" />
-
+    </activity>
+    <uses-library android:required="false" android:name="com.sec.android.app.multiwindow" />
+    <meta-data android:name="com.sec.android.support.multiwindow" android:value="true" />
+    <meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_W" android:value="632.0dip" />
+    <meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_H" android:value="598.0dip" />
+    <meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_W" android:value="426.0dip" />
+    <meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_H" android:value="360.0dip" />
+  </application>
+  <uses-permission android:name="android.permission.VIBRATE" />
+  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+  <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+  <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
   <uses-permission android:name="keepass2android.keepass2android_nonet.permission.KP2aInternalFileBrowsing" />
   <uses-permission android:name="keepass2android.keepass2android_nonet.permission.KP2aInternalSearch" />
+  <uses-permission android:name="android.permission.USE_FINGERPRINT" />
+  <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+  <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+  <uses-feature android:name="android.hardware.camera" android:required="false" />
+
+  <!-- Samsung Pass permission -->
+  <uses-permission android:name="com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY" />
   <uses-permission android:name="android.permission.READ_PHONE_STATE" tools:node="remove" />
-	
 </manifest>

src/keepass2android-app/NfcOtpActivity.cs

@@ -145,7 +145,7 @@ namespace keepass2android
 			catch (Exception e)
 			{
 				Kp2aLog.LogUnexpectedError(e);
-				Toast.MakeText(this, "No Yubikey OTP found!", ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, "No Yubikey OTP found!",  MessageSeverity.Error);
 				Finish();
 				return;
 			}

src/keepass2android-app/PasswordActivity.cs

@@ -15,6 +15,36 @@ This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file
   along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.
   */
 
+using Android.App;
+using Android.Content;
+using Android.Content.PM;
+using Android.Database;
+using Android.Graphics;
+using Android.Graphics.Drawables;
+using Android.OS;
+using Android.Preferences;
+using Android.Runtime;
+using Android.Text;
+using Android.Views;
+using Android.Views.InputMethods;
+using Android.Widget;
+using AndroidX.AppCompat.App;
+using AndroidX.CoordinatorLayout.Widget;
+using AndroidX.Core.Content;
+using AndroidX.Core.View;
+using AndroidX.DrawerLayout.Widget;
+using Google.Android.Material.AppBar;
+using Google.Android.Material.Dialog;
+using Java.Lang;
+using Java.Net;
+using KeeChallenge;
+using keepass2android;
+using keepass2android.Io;
+using keepass2android.Utils;
+using Keepass2android.Pluginsdk;
+using KeePassLib.Keys;
+using KeePassLib.Serialization;
+using OtpKeyProv;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -23,49 +53,17 @@ using System.Net;
 using System.Threading.Tasks;
 using System.Xml;
 using System.Xml.Serialization;
-using keepass2android;
-using Android.App;
-using Android.Content;
-using Android.Database;
-using Android.Graphics.Drawables;
-using Android.OS;
-using Android.Runtime;
-using Android.Views;
-using Android.Views.InputMethods;
-using Android.Widget;
-using Java.Net;
-using Android.Preferences;
-using Android.Text;
-using Android.Content.PM;
-using Android.Graphics;
-using AndroidX.AppCompat.App;
-using AndroidX.CoordinatorLayout.Widget;
-using AndroidX.Core.View;
-using AndroidX.DrawerLayout.Widget;
-using Google.Android.Material.AppBar;
-using Google.Android.Material.Dialog;
-using Java.Lang;
-using KeePassLib.Keys;
-using KeePassLib.Serialization;
-using Keepass2android.Pluginsdk;
-using OtpKeyProv;
-using keepass2android.Io;
-using keepass2android.Utils;
-
-using File = Java.IO.File;
-using FileNotFoundException = Java.IO.FileNotFoundException;
-
-using Object = Java.Lang.Object;
-using Process = Android.OS.Process;
-
-using KeeChallenge;
+using static Android.Locations.GpsStatus;
 using AlertDialog = Android.App.AlertDialog;
 using ClipboardManager = Android.Content.ClipboardManager;
 using Enum = System.Enum;
 using Exception = System.Exception;
+using File = Java.IO.File;
+using FileNotFoundException = Java.IO.FileNotFoundException;
+using Object = Java.Lang.Object;
+using Process = Android.OS.Process;
 using String = System.String;
 using Toolbar = AndroidX.AppCompat.Widget.Toolbar;
-using AndroidX.Core.Content;
 
 namespace keepass2android
 {
@@ -131,7 +129,8 @@ namespace keepass2android
 		ISharedPreferences _prefs;
 
 		private bool _starting;
-		private OtpInfo _otpInfo;
+        private bool _resumeCompleted;
+        private OtpInfo _otpInfo;
 		private IOConnectionInfo _otpAuxIoc;
         private ChallengeInfo _chalInfo;
         private byte[] _challengeSecret;
@@ -309,7 +308,7 @@ namespace keepass2android
 		            catch (Exception e)
 		            {
 		                Kp2aLog.Log(e.ToString());
-		                Toast.MakeText(this, "Error: " + e.Message, ToastLength.Long).Show();
+		                App.Kp2a.ShowMessage(this, "Error: " + Util.GetErrorMessage(e),  MessageSeverity.Error);
 		                return;
 		            }
 
@@ -328,8 +327,7 @@ namespace keepass2android
 		                            ChallengeInfo temp = _challengeProv.Encrypt(_challengeSecret);
 		                            if (!temp.Save(_otpAuxIoc))
 		                            {
-		                                Toast.MakeText(this, Resource.String.ErrorUpdatingChalAuxFile, ToastLength.Long)
-		                                    .Show();
+		                                App.Kp2a.ShowMessage(this, Resource.String.ErrorUpdatingChalAuxFile, MessageSeverity.Error);
 		                                return false;
 		                            }
 
@@ -348,7 +346,7 @@ namespace keepass2android
 		            }
 		            else
 		            {
-		                Toast.MakeText(this, Resource.String.bad_resp, ToastLength.Long).Show();
+		                App.Kp2a.ShowMessage(this, Resource.String.bad_resp,  MessageSeverity.Error);
 		            }
 		        }
 		    }
@@ -420,8 +418,14 @@ namespace keepass2android
 							try
 							{
 								var iocAux = GetDefaultAuxLocation();
-								LoadFile(iocAux);
-							}
+                                LoadFile(iocAux);
+
+                                if (Activity._chalInfo == null)
+                                {
+                                    throw new Java.Lang.Exception("Failed to load challenge aux file");
+                                }
+
+                            }
 							catch (Exception e)
 							{
 								//this can happen e.g. if the file storage does not support GetParentPath
@@ -458,7 +462,7 @@ namespace keepass2android
 									}
 									else
 									{
-										Toast.MakeText(Activity,GetErrorMessage(), ToastLength.Long).Show();
+										App.Kp2a.ShowMessage(Activity,GetErrorMessage(),  MessageSeverity.Error);
 									}
 									return;
 
@@ -645,7 +649,7 @@ namespace keepass2android
 			_activityDesign.ApplyTheme();
 			base.OnCreate(savedInstanceState);
 
-		    _intentReceiver = new PasswordActivityBroadcastReceiver(this);
+            _intentReceiver = new PasswordActivityBroadcastReceiver(this);
 			IntentFilter filter = new IntentFilter();
 			filter.AddAction(Intent.ActionScreenOff);
             ContextCompat.RegisterReceiver(this, _intentReceiver, filter, (int)ReceiverFlags.Exported);
@@ -801,8 +805,6 @@ namespace keepass2android
 
             _password = i.GetStringExtra(KeyPassword) ?? "";
             if (!KeyProviderTypes.Any())
-
-
             {
                 SetKeyProviderFromString(LoadKeyProviderStringForIoc(_ioConnection.Path));
             }
@@ -957,7 +959,7 @@ namespace keepass2android
 			{
 				btn.SetImageResource(Resource.Drawable.baseline_fingerprint_24);
             }, 1300);
-			Toast.MakeText(this, message, ToastLength.Long).Show();
+			App.Kp2a.ShowMessage(this, message,  MessageSeverity.Error);
 		}
 
         public void OnBiometricAttemptFailed(string message)
@@ -996,8 +998,12 @@ namespace keepass2android
 			
 			btn.PostDelayed(() =>
 			{
-                //fire
-                OnOk(true);
+                //fire if everything else is ready
+                if (FindViewById(Resource.Id.pass_ok).Enabled)
+                {
+                    OnOk(true);
+                }
+                
 			    FindViewById<EditText>(Resource.Id.password_edit).Enabled = true;
 			}, 500);
 
@@ -1036,7 +1042,7 @@ namespace keepass2android
 				if (_appnameclickCount == 6)
 				{
 					Kp2aLog.LogUnexpectedError(new Exception("some blabla"));
-					Toast.MakeText(this, "Once again and the app will crash.", ToastLength.Long).Show();
+					App.Kp2a.ShowMessage(this, "Once again and the app will crash.",  MessageSeverity.Warning);
 				}
 					
 				if (_appnameclickCount == 7)
@@ -1123,7 +1129,7 @@ namespace keepass2android
 				//For security reasons: discard the OTP (otherwise the user might not select a database now and forget 
 				//about the OTP, but it would still be stored in the Intents and later be passed to PasswordActivity again.
 
-				Toast.MakeText(this, GetString(Resource.String.otp_discarded_because_no_db), ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, GetString(Resource.String.otp_discarded_because_no_db),  MessageSeverity.Warning);
 				GoToFileSelectActivity();
 				return false;
 			}
@@ -1157,7 +1163,9 @@ namespace keepass2android
 		    changeDbButton.Click += (sender, args) => GoToFileSelectActivity();
 
 			Util.MoveBottomBarButtons(Resource.Id.change_db, Resource.Id.pass_ok, Resource.Id.bottom_bar, this);
-		}
+            Util.InsetListener.ForBottomElement(FindViewById(Resource.Id.bottom_bar)).Apply();
+            Util.InsetListener.ForTopElement(FindViewById(Resource.Id.appbar)).Apply();
+        }
 
 		private void OnOk(bool usedFingerprintUnlock = false)
 		{
@@ -1251,7 +1259,7 @@ namespace keepass2android
 							case 6:
 							    KeyProviderTypes.Add(KeyProviders.ChallengeXC);
 							    break;
-						        case 7:
+                            case 7:
 						            //don't set to "" to prevent losing the filename. (ItemSelected is also called during recreation!)
 							    Kp2aLog.Log("key file length before: " + _keyFile?.Length);
 						            _keyFile = (FindViewById(Resource.Id.label_keyfilename).Tag ?? "").ToString();
@@ -1400,7 +1408,7 @@ namespace keepass2android
 					                        string errorMessage;
 					                        if (!CreateCompositeKey(out compositeKey, out errorMessage)) return (() =>
 						                        {
-							                        Toast.MakeText(this, errorMessage, ToastLength.Long).Show();
+							                        App.Kp2a.ShowMessage(this, errorMessage,  MessageSeverity.Warning);
 						                            _performingLoad = false;
                                                 });
 											return () => { PerformLoadDatabaseWithCompositeKey(compositeKey); };
@@ -1415,18 +1423,22 @@ namespace keepass2android
 			if (cbQuickUnlock == null)
 				throw new NullPointerException("cpQuickUnlock");
 			App.Kp2a.SetQuickUnlockEnabled(cbQuickUnlock.Checked);
+            App.Kp2a.ScreenLockWasEnabledWhenOpeningDatabase =
+                (((KeyguardManager)GetSystemService(Context.KeyguardService)!)!).IsDeviceSecure;
+			App.Kp2a.QuickUnlockBlockedWhenDeviceNotSecureWhenOpeningDatabase = PreferenceManager.GetDefaultSharedPreferences(this)
+		        .GetBoolean(GetString(Resource.String.QuickUnlockBlockedWhenDeviceNotSecure_key), true);
 
-            if ((_loadDbFileTask != null) &&  (App.Kp2a.OfflineMode != _loadDbTaskOffline))
+            if ((_loadDbFileTask != null) && (App.Kp2a.OfflineMode != _loadDbTaskOffline))
 			{
-                if (App.Kp2a == null)
+				if (App.Kp2a == null)
 					throw new NullPointerException("App.Kp2a");
 				//keep the loading result if we loaded in online-mode (now offline) and the task is completed
 				if (!App.Kp2a.OfflineMode || !_loadDbFileTask.IsCompleted)
 				{
 					//discard the pre-loading task
-					_loadDbFileTask = null;	
+					_loadDbFileTask = null;
 				}
-				
+
 			}
 
 			//avoid password being visible while loading:
@@ -1481,7 +1493,7 @@ namespace keepass2android
 				catch (Exception e)
 				{
 					Kp2aLog.LogUnexpectedError(e);
-					errorMessage = e.Message;
+					errorMessage = Util.GetErrorMessage(e);
 					return false;
 				}
 			}
@@ -1566,15 +1578,21 @@ namespace keepass2android
 
             base.OnPause();
 		}
-		protected override void OnStart()
+
+        private bool hasRequestedKeyboardActivation = false;
+        
+
+        protected override void OnStart()
 		{
 			base.OnStart();
 			_starting = true;
 
 		    if (PreferenceManager.GetDefaultSharedPreferences(this)
-		        .GetBoolean(GetString(Resource.String.UseKp2aKeyboardInKp2a_key), false))
-		    {
-		        CopyToClipboardService.ActivateKeyboard(this);
+		        .GetBoolean(GetString(Resource.String.UseKp2aKeyboardInKp2a_key), false)
+                && !hasRequestedKeyboardActivation)
+            {
+                hasRequestedKeyboardActivation = true;
+                CopyToClipboardService.ActivateKeyboard(this);
 		    }
 
             DonateReminder.ShowDonateReminderIfAppropriate(this);
@@ -1639,60 +1657,65 @@ namespace keepass2android
             if (intent != null)
             {
 				if (intent.HasExtra(Intents.OtpExtraKey))
-                {
-                    string otp = intent.GetStringExtra(Intents.OtpExtraKey);
-                    _keepPasswordInOnResume = true;
-                    if (KeyProviderTypes.Contains(KeyProviders.Otp))
+				{
+					string otp = intent.GetStringExtra(Intents.OtpExtraKey);
+					_keepPasswordInOnResume = true;
+					if (KeyProviderTypes.Contains(KeyProviders.Otp))
+					{
+
+						if (_otpInfo == null)
+						{
+							//Entering OTPs not yet initialized:
+							_pendingOtps.Add(otp);
+							UpdateKeyProviderUiState();
+						}
+						else
+						{
+							//Entering OTPs is initialized. Write OTP into first empty field:
+							bool foundEmptyField = false;
+							foreach (int otpId in _otpTextViewIds)
+							{
+								EditText otpEdit = FindViewById<EditText>(otpId);
+								if ((otpEdit.Visibility == ViewStates.Visible) && String.IsNullOrEmpty(otpEdit.Text))
+								{
+									otpEdit.Text = otp;
+									foundEmptyField = true;
+									break;
+								}
+							}
+							//did we find a field?
+							if (!foundEmptyField)
+							{
+								App.Kp2a.ShowMessage(this, GetString(Resource.String.otp_discarded_no_space), MessageSeverity.Error);
+							}
+						}
+
+						Spinner passwordModeSpinner = FindViewById<Spinner>(Resource.Id.password_mode_spinner);
+						if (passwordModeSpinner.SelectedItemPosition != (int)KeyProviders.Otp)
+						{
+							passwordModeSpinner.SetSelection((int)KeyProviders.Otp);
+						}
+					}
+					else
+					{
+						//assume the key should be used as static password
+						FindViewById<EditText>(Resource.Id.password_edit).Text += otp;
+					}
+				}
+				else
+				{
+                    // if the activity is launched twice and the first initialization hasn't even finished, we cannot 
+                    // reset the state and re-initialize the activity.
+					// This can happen with autofill in some cases (#2869)
+                    if (_resumeCompleted)
                     {
-
-                        if (_otpInfo == null)
-                        {
-                            //Entering OTPs not yet initialized:
-                            _pendingOtps.Add(otp);
-                            UpdateKeyProviderUiState();
-                        }
-                        else
-                        {
-                            //Entering OTPs is initialized. Write OTP into first empty field:
-                            bool foundEmptyField = false;
-                            foreach (int otpId in _otpTextViewIds)
-                            {
-                                EditText otpEdit = FindViewById<EditText>(otpId);
-                                if ((otpEdit.Visibility == ViewStates.Visible) && String.IsNullOrEmpty(otpEdit.Text))
-                                {
-                                    otpEdit.Text = otp;
-                                    foundEmptyField = true;
-                                    break;
-                                }
-                            }
-                            //did we find a field?
-                            if (!foundEmptyField)
-                            {
-                                Toast.MakeText(this, GetString(Resource.String.otp_discarded_no_space), ToastLength.Long).Show();
-                            }
-                        }
-
-                        Spinner passwordModeSpinner = FindViewById<Spinner>(Resource.Id.password_mode_spinner);
-                        if (passwordModeSpinner.SelectedItemPosition != (int)KeyProviders.Otp)
-                        {
-                            passwordModeSpinner.SetSelection((int)KeyProviders.Otp);
-                        }
+                        ResetState();
+                        GetIocFromLaunchIntent(intent);
+                        InitializeAfterSetIoc();
+                        OnStart();
                     }
-                    else
-                    {
-                        //assume the key should be used as static password
-                        FindViewById<EditText>(Resource.Id.password_edit).Text += otp;
-                    }
-
-
-                }
-                else
-                {
-                    ResetState();
-                    GetIocFromLaunchIntent(intent);
-					InitializeAfterSetIoc();
-                    OnStart();
-                }
+					
+				}
 			}
 	
 		}
@@ -1729,19 +1752,26 @@ namespace keepass2android
             UsedFingerprintUnlock = false;
         }
 
-        protected override void OnResume()
+        protected override View? SnackbarAnchorView => FindViewById(Resource.Id.main_content);
+
+		protected override void OnResume()
 		{
 			base.OnResume();
+
 			_activityDesign.ReapplyTheme();
 
-			Kp2aLog.Log("starting: " + _starting + ", Finishing: " + IsFinishing + ", _performingLoad: " + _performingLoad);
+			Kp2aLog.Log("starting: " + _starting + ", Finishing: " + IsFinishing + ", _performingLoad: " +
+						_performingLoad);
 
 			CheckBox cbOfflineMode = (CheckBox)FindViewById(Resource.Id.work_offline);
-			App.Kp2a.OfflineMode = cbOfflineMode.Checked = App.Kp2a.OfflineModePreference; //this won't overwrite new user settings because every change is directly saved in settings
+			App.Kp2a.OfflineMode =
+				cbOfflineMode.Checked =
+					App.Kp2a
+						.OfflineModePreference; //this won't overwrite new user settings because every change is directly saved in settings
 			LinearLayout offlineModeContainer = FindViewById<LinearLayout>(Resource.Id.work_offline_container);
 			var cachingFileStorage = App.Kp2a.GetFileStorage(_ioConnection) as CachingFileStorage;
 			if ((cachingFileStorage != null) && cachingFileStorage.IsCached(_ioConnection))
-			{	
+			{
 				offlineModeContainer.Visibility = ViewStates.Visible;
 			}
 			else
@@ -1749,18 +1779,18 @@ namespace keepass2android
 				offlineModeContainer.Visibility = ViewStates.Gone;
 				App.Kp2a.OfflineMode = false;
 			}
-			
 
-			
+
+
 
 			View killButton = FindViewById(Resource.Id.kill_app);
 			if (PreferenceManager.GetDefaultSharedPreferences(this)
-								 .GetBoolean(GetString(Resource.String.show_kill_app_key), false))
+				.GetBoolean(GetString(Resource.String.show_kill_app_key), false))
 			{
 				killButton.Click += (sender, args) =>
 				{
 					_killOnDestroy = true;
-                    SetResult(Result.Canceled);
+					SetResult(Result.Canceled);
 					Finish();
 
 				};
@@ -1772,20 +1802,23 @@ namespace keepass2android
 				killButton.Visibility = ViewStates.Gone;
 			}
 
-		    TryGetOtpFromClipboard();
+			TryGetOtpFromClipboard();
 
-		    if (!_keepPasswordInOnResume)
-		    {
-		        if (
-                    _lastOnPauseTime < DateTime.Now - TimeSpan.FromSeconds(5) //only clear when user left the app for more than 5 seconds (allows to use Yubiclip, also allows to switch shortly to another app)
-                    && 
-		            PreferenceManager.GetDefaultSharedPreferences(this)
-		                .GetBoolean(GetString(Resource.String.ClearPasswordOnLeave_key), true))
-		        {
-		            ClearEnteredPassword();
-		        }
+			if (!_keepPasswordInOnResume)
+			{
+				if (
+					_lastOnPauseTime <
+					DateTime.Now -
+					TimeSpan.FromSeconds(
+						5) //only clear when user left the app for more than 5 seconds (allows to use Yubiclip, also allows to switch shortly to another app)
+					&&
+					PreferenceManager.GetDefaultSharedPreferences(this)
+						.GetBoolean(GetString(Resource.String.ClearPasswordOnLeave_key), true))
+				{
+					ClearEnteredPassword();
+				}
 
-		    }
+			}
 
 
 
@@ -1797,71 +1830,74 @@ namespace keepass2android
 
 			if (KeyProviderTypes.Contains(KeyProviders.Challenge))
 			{
-				FindViewById(Resource.Id.otpInitView).Visibility = _challengeSecret == null ? ViewStates.Visible : ViewStates.Gone;
+				FindViewById(Resource.Id.otpInitView).Visibility =
+					_challengeSecret == null ? ViewStates.Visible : ViewStates.Gone;
 			}
 
 			//use !IsFinishing to make sure we're not starting another activity when we're already finishing (e.g. due to TaskComplete in OnActivityResult)
 			//use !performingLoad to make sure we're not already loading the database (after ActivityResult from File-Prepare-Activity; this would cause _loadDbFileTask to exist when we reload later!)
-			if ( !IsFinishing && !_performingLoad)  
+			if (!IsFinishing && !_performingLoad)
 			{
-				
-				
-			    // OnResume is run every time the activity comes to the foreground. This code should only run when the activity is started (OnStart), but must
+
+
+				// OnResume is run every time the activity comes to the foreground. This code should only run when the activity is started (OnStart), but must
 				// be run in OnResume rather than OnStart so that it always occurrs after OnActivityResult (when re-creating a killed activity, OnStart occurs before OnActivityResult)
-			    if (_starting)
-			    {
+				if (_starting)
+				{
 
-			        _starting = false;
+					_starting = false;
 
-			        //database not yet loaded.
+					//database not yet loaded.
 
-			        //check if pre-loading is enabled but wasn't started yet:
-			        if (_loadDbFileTask == null &&
-			            _prefs.GetBoolean(GetString(Resource.String.PreloadDatabaseEnabled_key), true))
-			        {
-			            // Create task to kick off file loading while the user enters the password
-			            _loadDbFileTask = Task.Factory.StartNew(PreloadDbFile);
-			            _loadDbTaskOffline = App.Kp2a.OfflineMode;
-			        }
-			    }
+					//check if pre-loading is enabled but wasn't started yet:
+					if (_loadDbFileTask == null &&
+						_prefs.GetBoolean(GetString(Resource.String.PreloadDatabaseEnabled_key), true))
+					{
+						// Create task to kick off file loading while the user enters the password
+						_loadDbFileTask = Task.Factory.StartNew(PreloadDbFile);
+						_loadDbTaskOffline = App.Kp2a.OfflineMode;
+					}
+				}
 
 			}
 
-		    if (compositeKeyForImmediateLoad != null)
-		    {
-		        //reload the database (without most other stuff performed in PerformLoadDatabase.
-		        // We're assuming that the db file (and if appropriate also the key file) are still available 
-		        // and there's no need to re-init the file storage. if it is, loading will fail and the user has 
-		        // to retry with typing the full password, but that's intended to avoid showing the password to a 
-		        // a potentially unauthorized user (feature request https://keepass2android.codeplex.com/workitem/274)
-		        Handler handler = new Handler();
-		        OnFinish onFinish = new AfterLoad(handler, this, _ioConnection);
-		        _performingLoad = true;
-                LoadDb task = new LoadDb(this, App.Kp2a, _ioConnection, _loadDbFileTask, compositeKeyForImmediateLoad, GetKeyProviderString(),
-		            onFinish, false, _makeCurrent);
-		        _loadDbFileTask = null; // prevent accidental re-use
-		        new ProgressTask(App.Kp2a, this, task).Run();
-		        compositeKeyForImmediateLoad = null; //don't reuse or keep in memory
+			if (compositeKeyForImmediateLoad != null)
+			{
+				//reload the database (without most other stuff performed in PerformLoadDatabase.
+				// We're assuming that the db file (and if appropriate also the key file) are still available 
+				// and there's no need to re-init the file storage. if it is, loading will fail and the user has 
+				// to retry with typing the full password, but that's intended to avoid showing the password to a 
+				// a potentially unauthorized user (feature request https://keepass2android.codeplex.com/workitem/274)
+				Handler handler = new Handler();
+				OnFinish onFinish = new AfterLoad(handler, this, _ioConnection);
+				_performingLoad = true;
+				LoadDb task = new LoadDb(this, App.Kp2a, _ioConnection, _loadDbFileTask, compositeKeyForImmediateLoad, GetKeyProviderString(),
+					onFinish, false, _makeCurrent);
+				_loadDbFileTask = null; // prevent accidental re-use
+				new ProgressTask(App.Kp2a, this, task).Run();
+				compositeKeyForImmediateLoad = null; //don't reuse or keep in memory
 
-		    }
-		    else
-		    {
-		        bool showKeyboard = true;
+			}
+			else
+			{
+				bool showKeyboard = true;
 
-		       
-		        EditText pwd = (EditText) FindViewById(Resource.Id.password_edit);
-		        pwd.PostDelayed(() =>
-		        {
-		            InputMethodManager keyboard = (InputMethodManager) GetSystemService(InputMethodService);
-                    if (showKeyboard)
-                    {
-                        pwd.RequestFocus();
-                        keyboard.ShowSoftInput(pwd, 0);
-                    }
-                    else
-		                keyboard.HideSoftInputFromWindow(pwd.WindowToken, HideSoftInputFlags.ImplicitOnly);
-		        }, 50);
-		    }
+
+				EditText pwd = (EditText)FindViewById(Resource.Id.password_edit);
+				pwd.PostDelayed(() =>
+				{
+					InputMethodManager keyboard = (InputMethodManager)GetSystemService(InputMethodService);
+					if (showKeyboard)
+					{
+						pwd.RequestFocus();
+						keyboard.ShowSoftInput(pwd, 0);
+					}
+					else
+						keyboard.HideSoftInputFromWindow(pwd.WindowToken, HideSoftInputFlags.ImplicitOnly);
+				}, 50);
+			}
+
+			_resumeCompleted = true;
         }
 
 	    private void TryGetOtpFromClipboard()
@@ -1954,7 +1990,7 @@ namespace keepass2android
 			    
                 btn.Tag = error;
 
-			    Toast.MakeText(this, Resource.String.fingerprint_reenable2, ToastLength.Long).Show();
+			    App.Kp2a.ShowMessage(this, Resource.String.fingerprint_reenable2,  MessageSeverity.Error);
 
 				_biometricDec = null;
 				return false;
@@ -2024,7 +2060,7 @@ namespace keepass2android
 		/*
 	private void errorMessage(CharSequence text)
 	{
-		Toast.MakeText(this, text, ToastLength.Long).Show();
+		App.Kp2a.ShowMessage(this, text,  MessageSeverity.Error);
 	}
 	*/
 
@@ -2084,7 +2120,9 @@ namespace keepass2android
 			        _act.LoadingErrorCount++;
 			    }
 
-			    if ((Exception != null) && (Exception.Message == KeePassLib.Resources.KLRes.FileCorrupted))
+				
+
+                if ((Exception != null) && (Exception.Message == KeePassLib.Resources.KLRes.FileCorrupted))
 			    {
 			        Message = _act.GetString(Resource.String.CorruptDatabaseHelp);
 			    }
@@ -2150,7 +2188,8 @@ namespace keepass2android
 				}
 				else
 				{
-					DisplayMessage(_act);
+                    MessageSeverity severity = Success ? MessageSeverity.Info : MessageSeverity.Error;
+                    App.Kp2a.ShowMessage(_act, Message, severity);
 				    if (Success)
 				    {
 				        _act.LaunchNextActivity();
@@ -2218,7 +2257,7 @@ namespace keepass2android
 				{
 					Kp2aLog.LogUnexpectedError(e);
 
-					ShowError( _act.GetString(Resource.String.ErrorUpdatingOtpAuxFile) + " " + e.Message);
+					ShowError( _act.GetString(Resource.String.ErrorUpdatingOtpAuxFile) + " " + Util.GetErrorMessage(e));
 				}
 
 
@@ -2234,7 +2273,7 @@ namespace keepass2android
 
 		    private void ShowError(string message)
 		    {
-		        App.Kp2a.ShowToast(message);
+		        App.Kp2a.ShowToast(message, MessageSeverity.Error);
 		    }
 		}
 		private class PasswordActivityBroadcastReceiver : BroadcastReceiver

src/keepass2android-app/QueryCredentialsActivity.cs

@@ -128,11 +128,11 @@ namespace keepass2android
 				Kp2aLog.LogUnexpectedError(e);
 			}
 			if (String.IsNullOrEmpty(_requestedUrl))
-				Toast.MakeText(this, GetString(Resource.String.query_credentials, new Java.Lang.Object[] {pluginDisplayName}), ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, GetString(Resource.String.query_credentials, new Java.Lang.Object[] {pluginDisplayName}),  MessageSeverity.Info);
 			else
-				Toast.MakeText(this,
+				App.Kp2a.ShowMessage(this,
 				               GetString(Resource.String.query_credentials_for_url,
-										 new Java.Lang.Object[] { pluginDisplayName, _requestedUrl }), ToastLength.Long).Show(); ;
+										 new Java.Lang.Object[] { pluginDisplayName, _requestedUrl }),  MessageSeverity.Info); ;
 		}
 
 		private void StartQuery()

src/keepass2android-app/QuickUnlock.cs

@@ -25,6 +25,7 @@ using Android.Widget;
 using Android.Content.PM;
 using KeePassLib.Keys;
 using Android.Preferences;
+using Android.Provider;
 using Android.Runtime;
 
 using Android.Views.InputMethods;
@@ -35,6 +36,7 @@ using KeePassLib;
 using KeePassLib.Serialization;
 using Toolbar = AndroidX.AppCompat.Widget.Toolbar;
 using AndroidX.Core.Content;
+using keepass2android.Utils;
 
 namespace keepass2android
 {
@@ -79,8 +81,11 @@ namespace keepass2android
 
 			SetContentView(Resource.Layout.QuickUnlock);
 
+            Util.InsetListener.ForBottomElement(FindViewById(Resource.Id.bottom_bar)).Apply();
+            Util.InsetListener.ForTopElement(FindViewById(Resource.Id.appbar)).Apply();
 
-			var collapsingToolbar = FindViewById<CollapsingToolbarLayout>(Resource.Id.collapsing_toolbar);
+
+            var collapsingToolbar = FindViewById<CollapsingToolbarLayout>(Resource.Id.collapsing_toolbar);
 			collapsingToolbar.SetTitle(GetString(Resource.String.QuickUnlock_prefs));
             SetSupportActionBar(FindViewById<Toolbar>(Resource.Id.toolbar));
             
@@ -161,6 +166,29 @@ namespace keepass2android
             if (bundle != null)
                 numFailedAttempts = bundle.GetInt(NumFailedAttemptsKey, 0);
 
+            FindViewById(Resource.Id.QuickUnlock_buttonEnableLock).Click += (object sender, EventArgs e) =>
+            {
+				Intent intent = new Intent(Settings.ActionSecuritySettings);
+                StartActivity(intent);
+
+            };
+
+            FindViewById(Resource.Id.QuickUnlock_buttonCloseDb).Click += (object sender, EventArgs e) =>
+            {
+                App.Kp2a.Lock(false);
+            };
+
+            if (App.Kp2a.ScreenLockWasEnabledWhenOpeningDatabase == false && App.Kp2a.QuickUnlockBlockedWhenDeviceNotSecureWhenOpeningDatabase)
+            {
+				FindViewById(Resource.Id.QuickUnlockForm).Visibility = ViewStates.Gone;
+                FindViewById(Resource.Id.QuickUnlockBlocked).Visibility = ViewStates.Visible;
+            }
+            else
+            {
+                FindViewById(Resource.Id.QuickUnlockForm).Visibility = ViewStates.Visible;
+                FindViewById(Resource.Id.QuickUnlockBlocked).Visibility = ViewStates.Gone;
+            }
+
 
 
         }
@@ -203,7 +231,7 @@ namespace keepass2android
 				btn.SetImageResource(Resource.Drawable.baseline_fingerprint_24);
 				
 			}, 1300);
-			Toast.MakeText(this, message, ToastLength.Long).Show();
+			App.Kp2a.ShowMessage(this, message,  MessageSeverity.Error);
 		}
 
         
@@ -325,7 +353,7 @@ namespace keepass2android
 			{
 				Kp2aLog.Log("QuickUnlock not successful!");
 				App.Kp2a.Lock(false);
-				Toast.MakeText(this, GetString(Resource.String.QuickUnlock_fail), ToastLength.Long).Show();
+				App.Kp2a.ShowMessage(this, GetString(Resource.String.QuickUnlock_fail),  MessageSeverity.Error);
                 Finish();
 			}
 			
@@ -383,8 +411,9 @@ namespace keepass2android
 		{
 			base.OnResume();
 			_design.ReapplyTheme();
-			
-			CheckIfUnloaded();
+            App.Kp2a.MessagePresenter = new ChainedSnackbarPresenter(FindViewById(Resource.Id.main_content));
+
+            CheckIfUnloaded();
 
             InitFingerprintUnlock();
 
@@ -449,7 +478,8 @@ namespace keepass2android
 
 		protected override void OnPause()
 		{
-			if (_biometryIdentifier != null)
+            App.Kp2a.MessagePresenter = new NonePresenter();
+            if (_biometryIdentifier != null)
 			{
 				Kp2aLog.Log("FP: Stop listening");
 				_biometryIdentifier.StopListening();

src/keepass2android-app/Resources/layout/QuickUnlock.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
 xmlns:android="http://schemas.android.com/apk/res/android"
-xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
 
 android:layout_width="fill_parent"
 android:layout_height="fill_parent"
-android:fitsSystemWindows="true">
+android:fitsSystemWindows="false">
 <keepass2android.MeasuringLinearLayout
   android:layout_width="fill_parent"
   android:layout_height="fill_parent"
@@ -17,7 +17,7 @@ android:fitsSystemWindows="true">
           android:layout_width="match_parent"
           android:layout_height="match_parent"
           android:layout_weight="1"
-          android:fitsSystemWindows="true">
+          android:fitsSystemWindows="false">
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/appbar"
         android:layout_width="match_parent"
@@ -28,7 +28,7 @@ android:fitsSystemWindows="true">
           android:layout_width="match_parent"
           android:layout_height="match_parent"
           app:layout_scrollFlags="scroll|exitUntilCollapsed"
-          android:fitsSystemWindows="true"
+          android:fitsSystemWindows="false"
           app:expandedTitleMarginStart="16dp"
           app:expandedTitleMarginEnd="24dp"
           app:expandedTitleMarginBottom="20sp">
@@ -78,20 +78,27 @@ android:paddingLeft="16dp"
 android:paddingRight="16dp"
           android:paddingTop="16dp">
 
-
-        <TextView
-                android:id="@+id/QuickUnlock_label"
-                android:text="@string/QuickUnlock_label"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:layout_below="@id/filename_label"
-                android:textSize="14sp"
-                />
-        
+         
         <LinearLayout
-          android:layout_width="wrap_content"
+          android:layout_width="fill_parent"
           android:layout_height="wrap_content"
-          android:orientation="horizontal">
+          android:orientation="vertical"
+          android:id="@+id/QuickUnlockForm">
+
+          <TextView
+            android:id="@+id/QuickUnlock_label"
+            android:text="@string/QuickUnlock_label"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/filename_label"
+            android:textSize="14sp"
+          />
+
+          <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
 
           <EditText
             android:inputType="textPassword"
@@ -116,11 +123,65 @@ android:paddingRight="16dp"
                                     android:src="@drawable/baseline_fingerprint_24"
                                     android:scaleType="fitXY"
                                     android:background="?android:selectableItemBackground" />
-          
-            
+
+          </LinearLayout>
 
         </LinearLayout>
 
+        <LinearLayout
+          android:layout_width="match_parent"
+          android:layout_height="wrap_content"
+          android:orientation="vertical"
+          android:background="@color/md_theme_secondaryContainer"
+          android:id="@+id/QuickUnlockBlocked"
+          android:padding="16dp"
+          android:layout_gravity="center">
+
+          <TextView
+            android:id="@+id/quick_unlock_blocked_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/password_based_quick_unlock_not_available"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            android:gravity="center"
+            android:paddingBottom="8dp"/>
+
+          <TextView
+            android:id="@+id/alert_message"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/password_based_quick_unlock_not_available_text"
+            android:textSize="16sp"
+                            android:paddingBottom="8dp"/>
+          <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+            <Button  
+              android:id="@+id/QuickUnlock_buttonEnableLock"
+              android:layout_width="wrap_content"
+              android:layout_height="wrap_content"
+              android:layout_gravity="center"
+              android:backgroundTint="@color/md_theme_secondary"
+              android:textColor="@android:color/white"
+              android:text="@string/enable_screen_lock"
+              android:fontFamily="sans-serif-medium"   />
+
+              <Button  
+              android:id="@+id/QuickUnlock_buttonCloseDb"
+              android:layout_width="wrap_content"
+              android:layout_height="wrap_content"
+              android:layout_gravity="center"
+              android:backgroundTint="@color/md_theme_secondary"
+              android:textColor="@android:color/white"
+              android:fontFamily="sans-serif-medium"  
+              android:text="@string/QuickUnlock_lockButton" />
+            
+            </LinearLayout>
+            
+
+          </LinearLayout>
       
         <View
         android:id="@+id/spacing"

src/keepass2android-app/Resources/layout/entry_edit.xml

@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                                                     android:id="@+id/main_content"
+                                                     android:layout_width="match_parent"
+                                                     android:layout_height="match_parent"
+                                                     android:fitsSystemWindows="true">
+
+<ScrollView 
             xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/entry_scroll"
     android:background="?android:attr/colorBackground"
@@ -267,4 +273,5 @@
             </LinearLayout>
         </LinearLayout>
     </LinearLayout>
-</ScrollView>
+</ScrollView>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

src/keepass2android-app/Resources/layout/ftpcredentials.xml

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
@@ -75,4 +78,5 @@
 			 />
 
 
-</LinearLayout>
+</LinearLayout>
+</ScrollView>

src/keepass2android-app/Resources/layout/generate_password.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+               android:id="@+id/main_container"
                 android:layout_width="fill_parent"
                 android:background="?android:attr/colorBackground"
                 android:layout_height="fill_parent">
@@ -322,4 +323,3 @@
     </ScrollView>
 
   </RelativeLayout>
-

src/keepass2android-app/Resources/layout/httpcredentials.axml

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
@@ -41,4 +44,5 @@
 
 
 
-</LinearLayout>
+</LinearLayout>
+</ScrollView>

src/keepass2android-app/Resources/layout/megacredentials.xml

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
@@ -27,4 +30,5 @@
             android:importantForAccessibility="no"/>
 
 
-</LinearLayout>
+</LinearLayout>
+</ScrollView>

src/keepass2android-app/Resources/layout/owncloudcredentials.xml

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
@@ -42,4 +45,5 @@
 
 
 
-</LinearLayout>
+</LinearLayout>
+</ScrollView>

src/keepass2android-app/Resources/layout/password.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<keepass2android.FixedDrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/drawer_layout"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
-    android:fitsSystemWindows="true">
+>
 <!-- activity view -->
     <keepass2android.MeasuringLinearLayout
         android:layout_width="fill_parent"
@@ -17,14 +17,13 @@
                                                              android:id="@+id/main_content"
                                                              android:layout_width="match_parent"
                                                              android:layout_height="match_parent"
-                                                             android:layout_weight="1"
-                                                             android:fitsSystemWindows="true">
+                                                             android:layout_weight="1">
 
           <com.google.android.material.appbar.AppBarLayout
             android:id="@+id/appbar"
             android:layout_width="match_parent"
             android:layout_height="@dimen/detail_backdrop_height"
-            android:fitsSystemWindows="true"
+            android:fitsSystemWindows="false"
             android:theme="@style/ThemeOverlay.MaterialComponents.Dark.ActionBar">
 
             <com.google.android.material.appbar.CollapsingToolbarLayout
@@ -32,14 +31,17 @@
               android:layout_width="match_parent"
               android:layout_height="match_parent"
               app:layout_scrollFlags="scroll|exitUntilCollapsed"
-              android:fitsSystemWindows="true"
-              app:expandedTitleMarginStart="48dp"
+              android:fitsSystemWindows="false"
+              app:collapsedTitleGravity="center"
+              app:expandedTitleGravity="bottom|left"
+          
+              app:expandedTitleMarginStart="8dp"
               app:expandedTitleMarginEnd="24dp"
               app:expandedTitleMarginBottom="20sp">
 
               <RelativeLayout xmlns:tools="http://schemas.android.com/tools"
                               android:layout_width="fill_parent"
-                              android:fitsSystemWindows="true"
+                              android:fitsSystemWindows="false"
                               android:layout_height="fill_parent">
                 <ImageView
                   android:id="@+id/backdrop"
@@ -52,7 +54,7 @@
                   android:layout_alignParentBottom="true"
                             
                   android:layout_marginBottom="0sp"
-                  android:layout_marginLeft="48dp"
+                  android:layout_marginLeft="8dp"
                   android:layout_marginRight="8dp"
                   android:layout_width="wrap_content"
                   android:layout_height="wrap_content">
@@ -446,4 +448,4 @@
         </LinearLayout>
         </ScrollView>
     </com.google.android.material.navigation.NavigationView>
-</keepass2android.FixedDrawerLayout>
+</androidx.drawerlayout.widget.DrawerLayout>

src/keepass2android-app/Resources/layout/sftp_credentials.axml

@@ -1,61 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    android:layout_margin="12dip">
-    <LinearLayout
-        android:orientation="horizontal"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content">
-        <EditText
-            android:id="@+id/sftp_host"
-            android:layout_width="fill_parent"
-            android:layout_height="wrap_content"
-            android:singleLine="true"
-            android:inputType="textNoSuggestions"
-            android:text="144.76.169.229"
-            android:hint="@string/hint_sftp_host" />
-        <TextView
-            android:id="@+id/portsep"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text=":" />
-        <EditText
-            android:id="@+id/sftp_port"
-            android:layout_width="fill_parent"
-            android:layout_height="wrap_content"
-            android:singleLine="true"
-            android:inputType="number"
-            android:text="22"
-            android:hint="@string/hint_sftp_port" />
-    </LinearLayout>
-    <EditText
-        android:id="@+id/sftp_user"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:singleLine="true"
-        android:text="philipp"
-        android:hint="@string/hint_username" />
-    <EditText
-        android:id="@+id/sftp_password"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:inputType="textPassword"
-        android:singleLine="true"
-        android:text="l2uientTjVhvyfzNpksa"
-        android:hint="@string/hint_pass" />
-    <TextView
-        android:id="@+id/initial_dir"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="4dip"
-        android:layout_marginTop="4dip"
-        android:text="@string/initial_directory" />
-    <EditText
-        android:id="@+id/sftp_initial_dir"
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:singleLine="true"
-        android:text="/home/philipp" />
-</LinearLayout>

src/keepass2android-app/Resources/layout/sftpcredentials.xml

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
@@ -197,3 +200,5 @@
 			 />
 
 </LinearLayout>
+
+</ScrollView>

src/keepass2android-app/Resources/layout/smbcredentials.axml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:padding="12dp"
+    android:layout_margin="12dip"
+    >
+    <TextView android:layout_width="fill_parent"
+              android:layout_height="wrap_content"
+              android:text="@string/hint_smb_credentials" />
+  <LinearLayout
+    android:orientation="horizontal"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content">
+
+    <EditText
+            android:id="@+id/smb_url"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:singleLine="true"
+			android:layout_weight="1"
+            android:text=""
+      android:inputType="textWebEmailAddress"
+			android:hint="@string/hint_smb_url" />
+   
+  </LinearLayout>
+  <EditText
+    android:id="@+id/smb_domain"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:singleLine="true"
+    android:text=""
+    android:hint="@string/hint_smb_domain" />
+  <EditText
+             android:id="@+id/smb_user"
+             android:layout_width="fill_parent"
+             android:layout_height="wrap_content"
+             android:singleLine="true"
+             android:text=""
+             android:hint="@string/hint_smb_username" />
+
+  <EditText
+            android:id="@+id/smb_password"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:inputType="textPassword"
+            android:singleLine="true"
+            android:text=""
+            android:hint="@string/hint_pass"
+    android:importantForAccessibility="no"/>
+
+
+
+</LinearLayout>
+</ScrollView>