make settings field for TrayTotp style otp entries optional

closes https://github.com/PhilippC/keepass2android/issues/2458

src/Kp2aAutofillParserTest/AutofillTest.cs

@@ -72,13 +72,6 @@ namespace Kp2aAutofillParserTest
             RunTestFromAutofillInput(resourceName, "com.expressvpn.vpn", null);
         }
 
-        [Fact]
-        public void HandlesAutospillGracefully()
-        {
-            var resourceName = "Kp2aAutofillParserTest.autospill.json";
-            RunTestFromAutofillInput(resourceName, "com.vivaldi.browser", "m.facebook.com");
-        }
-
         private void RunTestFromAutofillInput(string resourceName, string expectedPackageName = null, string expectedWebDomain = null)
         {
             var assembly = Assembly.GetExecutingAssembly();

src/Kp2aAutofillParserTest/Kp2aAutofillParserTest.csproj

@@ -9,7 +9,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Remove="autospill.json" />
     <None Remove="chrome-android10-amazon-it.json" />
     <None Remove="com-expressvpn-vpn-android13.json" />
     <None Remove="com-ifs-banking-fiid3364-android13.json" />
@@ -55,9 +54,6 @@
     <EmbeddedResource Include="com-servicenet-mobile-no-focus.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </EmbeddedResource>
-    <EmbeddedResource Include="autospill.json">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </EmbeddedResource>
     <EmbeddedResource Include="imdb.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </EmbeddedResource>

src/Kp2aAutofillParserTest/autospill.json

@@ -1,48 +0,0 @@
-{
-  "InputFields": [
-    {
-      "IdEntry": "native_username",
-      "ClassName": "android.widget.EditText",
-      "AutofillHints": null,
-      "IsFocused": false,
-      "InputType": 1,
-      "HtmlInfoTag": null,
-      "HtmlInfoTypeAttribute": null,
-      "ExpectedAssignedHints": ["username"]
-    },
-    {
-      "IdEntry": "native_password",
-      "ClassName": "android.widget.EditText",
-      "AutofillHints": null,
-      "IsFocused": false,
-      "InputType": 129,
-      "HtmlInfoTag": null,
-      "HtmlInfoTypeAttribute": null,
-      "ExpectedAssignedHints": []
-    },
-    {
-      "IdEntry": "webview_email",
-      "ClassName": "android.widget.EditText",
-      "AutofillHints": [ "email" ],
-      "IsFocused": true,
-      "InputType": 0,
-      "HtmlInfoTag": null,
-      "HtmlInfoTypeAttribute": null,
-      "ExpectedAssignedHints": [ "emailAddress" ]
-    },
-    {
-      "IdEntry": "webview_password",
-      "ClassName": "android.widget.EditText",
-      "AutofillHints": [
-        "password"
-      ],
-      "IsFocused": false,
-      "InputType": 0,
-      "HtmlInfoTag": null,
-      "HtmlInfoTypeAttribute": null,
-      "ExpectedAssignedHints": [ "password" ]
-    }
-  ],
-  "PackageId": "com.vivaldi.browser",
-  "WebDomain": "m.facebook.com"
-}        

src/ZlibAndroid/ZlibAndroid.csproj

@@ -68,5 +68,8 @@
   <ItemGroup>
     <None Include="Resources\AboutResources.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\values\Strings.xml" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />
 </Project>

src/keepass2android/Totp/TrayTotpPluginAdapter.cs

@@ -31,17 +31,8 @@ namespace PluginTOTP
 				_muteWarnings = muteWarnings;
 			}
 
-			/// <summary>
-			/// Check if specified Entry contains Settings that are not null.
-			/// </summary>
-			internal bool SettingsCheck(IDictionary<string, string> entryFields)
-			{
-				string settings;
-				entryFields.TryGetValue(SettingsFieldName, out settings);
-				return !String.IsNullOrEmpty(settings);
-			}
 			
-			internal bool SeedCheck(IDictionary<string, string> entryFields)
+			internal bool HasSeed(IDictionary<string, string> entryFields)
 			{
 				string seed;
 				entryFields.TryGetValue(SeedFieldName, out seed);
@@ -101,14 +92,14 @@ namespace PluginTOTP
 
 			private string[] SettingsGet(IDictionary<string, string> entryFields)
             {
-				return entryFields[SettingsFieldName].Split(';');
+                return entryFields.TryGetValue(SettingsFieldName, out var settings) ? settings.Split(';') : new[] { "30", "6" };
             }
 
 			public TotpData GetTotpData(IDictionary<string, string> entryFields)
 			{
 				TotpData res = new TotpData();
 
-				if (SettingsCheck(entryFields) && SeedCheck(entryFields))
+				if (HasSeed(entryFields))
 				{
 					bool ValidInterval; bool ValidLength; bool ValidUrl;
 					if (SettingsValidate(entryFields, out ValidInterval, out ValidLength, out ValidUrl))