logging controllable through preferences, option to send logged data

src/KeePassLib2Android/Kp2aLog.cs

@@ -18,6 +18,9 @@ This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll.
 using System;
 using System.Collections.Generic;
 using System.IO;
+using Android;
+using Android.App;
+using Android.Content;
 using Android.Preferences;
 using KeePassLib.Serialization;
 
@@ -57,7 +60,7 @@ namespace keepass2android
 
 		private static string LogFilename
 		{
-			get { return "/mnt/sdcard/keepass2android.log"; }
+			get { return Application.Context.FilesDir.CanonicalPath +"/keepass2android.log"; }
 		}
 
 		private static bool LogToFile
@@ -77,5 +80,43 @@ namespace keepass2android
 			if (OnUnexpectedError != null)
 				OnUnexpectedError(null, exception);
 		}
+
+		public static void CreateLogFile()
+		{
+			if (!File.Exists(LogFilename))
+			{
+				File.Create(LogFilename);
+				_logToFile = true;
+			}
+			
+
+		}
+
+		public static void FinishLogFile()
+		{
+			if (File.Exists(LogFilename))
+			{
+				_logToFile = false;
+				int count = 0;
+				while (File.Exists(LogFilename + "." + count))
+					count++;
+				File.Move(LogFilename, LogFilename + "." + count);
+				
+			}
+				
+		}
+
+		public static void SendLog(Context ctx)
+		{
+			if (!File.Exists(LogFilename))
+				return;
+			Intent sendIntent = new Intent();
+			sendIntent.SetAction(Intent.ActionSend);
+			sendIntent.PutExtra(Intent.ExtraText, File.ReadAllText(LogFilename));
+			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..."));
+		}
 	}
 }

src/keepass2android/Resources/values/config.xml

@@ -86,7 +86,9 @@
 	<string name="TrayTotp_SettingsField_key">TrayTotp_SettingsField_key</string>
 	<string name="TrayTotp_SeedField_key">TrayTotp_SeedField_key</string>
 	<string name="TrayTotp_prefs_key">TrayTotp_prefs_key</string>
-	
+  <string name="DebugLog_key">DebugLog_key</string>
+  <string name="DebugLog_prefs_key">DebugLog_prefs_key</string>
+  <string name="DebugLog_send_key">DebugLog_send</string>
 	
 	<string name="password_access_prefs_key">password_access_prefs_key</string>
 	<string name="security_prefs_key">security_prefs_key</string>

src/keepass2android/Resources/values/strings.xml

@@ -552,6 +552,14 @@
 	<string name="TrayTotp_SettingsField_summary">Enter the field name of the settings field for TrayTotp here.</string>
 	
 	<string name="TrayTotp_prefs">TrayTotp</string>
+  <string name="DebugLog_prefs_prefs">Log-File for Debugging</string>
+  <string name="DebugLog_title">Use log file</string>
+  <string name="DebugLog_summary">Write app output to a local log file</string>
+  <string name="DebugLog_send">Send debug log...</string>
+  
+  
+
+
 
   <string name="loading">Loading…</string>
 		

src/keepass2android/Resources/xml/preferences.xml

@@ -511,8 +511,25 @@
 				 android:key="@string/TrayTotp_SettingsField_key" />
 	</PreferenceScreen>
 
-			
+    <PreferenceScreen
+	  android:key="@string/DebugLog_prefs_key"
+	  android:title="@string/DebugLog_prefs_prefs"
+		>
+      <CheckBoxPreference
+							android:enabled="true"
+							  android:persistent="true"
+							  android:summary="@string/DebugLog_summary"
+							  android:defaultValue="false"
+							  android:title="@string/DebugLog_title"
+							  android:key="@string/DebugLog_key" />
+      <Preference
+               android:enabled="true"
+               android:title="@string/DebugLog_send"
+               android:key="@string/DebugLog_send_key" />
     </PreferenceScreen>
+    </PreferenceScreen>
+
+  
   
 	<PreferenceScreen android:key="plugin_key" android:title="@string/plugins">
 		<intent android:action="kp2a.action.PluginListActivity"/>

src/keepass2android/settings/DatabaseSettingsActivity.cs

@@ -356,6 +356,9 @@ namespace keepass2android
             // Re-use the change handlers for the application settings
             FindPreference(GetString(Resource.String.keyfile_key)).PreferenceChange += OnRememberKeyFileHistoryChanged;
             FindPreference(GetString(Resource.String.ShowUnlockedNotification_key)).PreferenceChange += OnShowUnlockedNotificationChanged;
+			FindPreference(GetString(Resource.String.ShowUnlockedNotification_key)).PreferenceChange += OnShowUnlockedNotificationChanged;
+			FindPreference(GetString(Resource.String.DebugLog_key)).PreferenceChange += OnDebugLogChanged;
+			FindPreference(GetString(Resource.String.DebugLog_send_key)).PreferenceClick += OnSendDebug;
             PrepareNoDonatePreference(Activity, FindPreference(GetString(Resource.String.NoDonateOption_key)));
 			PrepareNoDonationReminderPreference(Activity, ((PreferenceScreen)FindPreference(GetString(Resource.String.display_prefs_key))), FindPreference(GetString(Resource.String.NoDonationReminder_key)));
 
@@ -445,6 +448,24 @@ namespace keepass2android
             cachingPreference.PreferenceChange += OnUseOfflineCacheChanged;
 
 			
+        }
+
+	    private void OnSendDebug(object sender, Preference.PreferenceClickEventArgs e)
+	    {
+		    Kp2aLog.SendLog(this.Activity);
+	    }
+
+	    private void OnDebugLogChanged(object sender, Preference.PreferenceChangeEventArgs e)
+	    {
+		    if ((bool)e.NewValue)
+		    {
+			    Kp2aLog.CreateLogFile();
+		    }
+		    else
+		    {
+			    Kp2aLog.FinishLogFile();
+		    }
+
 	    }
 
 	    private void AlgorithmPrefChange(object sender, Preference.PreferenceChangeEventArgs preferenceChangeEventArgs)