Key files can be opened from deliberate locations

TODO: fix a problem with .kdb-files and key files

Added very basic and not yet functional AndroidContentStorage.cs

.gitignore

@@ -282,3 +282,5 @@ Thumbs.db
 /src/java/MasterKee
 
 /src/PluginSdkBinding/obj/ReleaseNoNet
+/src/MasterKeeWinPlugin/bin/Release
+/src/SamplePlugin

src/KeePassLib2Android/KeePassLib2Android.csproj

@@ -20,7 +20,7 @@
     <DebugType>full</DebugType>
     <Optimize>False</Optimize>
     <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;EXCLUDE_TWOFISH;INCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;EXCLUDE_KEYTRANSFORM</DefineConstants>
+    <DefineConstants>DEBUG;EXCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;INCLUDE_KEYTRANSFORM</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <ConsolePause>False</ConsolePause>

src/KeePassLib2Android/Keys/KcpKeyFile.cs

@@ -41,7 +41,7 @@ namespace KeePassLib.Keys
 	/// </summary>
 	public sealed class KcpKeyFile : IUserKey
 	{
-		private string m_strPath;
+		private IOConnectionInfo m_ioc;
 		private ProtectedBinary m_pbKeyData;
 
 		/// <summary>
@@ -49,7 +49,7 @@ namespace KeePassLib.Keys
 		/// </summary>
 		public string Path
 		{
-			get { return m_strPath; }
+			get { return m_ioc.Path; }
 		}
 
 		/// <summary>
@@ -62,6 +62,11 @@ namespace KeePassLib.Keys
 			get { return m_pbKeyData; }
 		}
 
+		public IOConnectionInfo Ioc
+		{
+			get { return m_ioc; }
+		}
+
 		public KcpKeyFile(string strKeyFile)
 		{
 			Construct(IOConnectionInfo.FromPath(strKeyFile), false);
@@ -82,17 +87,21 @@ namespace KeePassLib.Keys
 			Construct(iocKeyFile, bThrowIfDbFile);
 		}
 
-		private void Construct(IOConnectionInfo iocFile, bool bThrowIfDbFile)
+		public KcpKeyFile(byte[] keyFileContents, IOConnectionInfo iocKeyFile, bool bThrowIfDbFile)
 		{
-			byte[] pbFileData = IOConnection.ReadFile(iocFile);
-			if(pbFileData == null) throw new Java.IO.FileNotFoundException();
+			Construct(keyFileContents, iocKeyFile, bThrowIfDbFile);
+		}
 
-			if(bThrowIfDbFile && (pbFileData.Length >= 8))
+		private void Construct(byte[] pbFileData, IOConnectionInfo iocKeyFile, bool bThrowIfDbFile)
+		{
+			if (pbFileData == null) throw new Java.IO.FileNotFoundException();
+
+			if (bThrowIfDbFile && (pbFileData.Length >= 8))
 			{
 				uint uSig1 = MemUtil.BytesToUInt32(MemUtil.Mid(pbFileData, 0, 4));
 				uint uSig2 = MemUtil.BytesToUInt32(MemUtil.Mid(pbFileData, 4, 4));
 
-				if(((uSig1 == KdbxFile.FileSignature1) &&
+				if (((uSig1 == KdbxFile.FileSignature1) &&
 					(uSig2 == KdbxFile.FileSignature2)) ||
 					((uSig1 == KdbxFile.FileSignaturePreRelease1) &&
 					(uSig2 == KdbxFile.FileSignaturePreRelease2)) ||
@@ -106,16 +115,22 @@ namespace KeePassLib.Keys
 			}
 
 			byte[] pbKey = LoadXmlKeyFile(pbFileData);
-			if(pbKey == null) pbKey = LoadKeyFile(pbFileData);
+			if (pbKey == null) pbKey = LoadKeyFile(pbFileData);
 
-			if(pbKey == null) throw new InvalidOperationException();
+			if (pbKey == null) throw new InvalidOperationException();
 
-			m_strPath = iocFile.Path;
+			m_ioc = iocKeyFile;
 			m_pbKeyData = new ProtectedBinary(true, pbKey);
 
 			MemUtil.ZeroByteArray(pbKey);
 		}
 
+		private void Construct(IOConnectionInfo iocFile, bool bThrowIfDbFile)
+		{
+			byte[] pbFileData = IOConnection.ReadFile(iocFile);
+			Construct(pbFileData, iocFile, bThrowIfDbFile);
+		}
+
 		// public void Clear()
 		// {
 		//	m_strPath = string.Empty;

src/Kp2aBusinessLogic/Io/AndroidContentStorage.cs

@@ -0,0 +1,183 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using KeePassLib.Serialization;
+
+namespace keepass2android.Io
+{
+	//TODOC,TOTEST, TODO: unimplemented methods?
+	public class AndroidContentStorage: IFileStorage
+	{
+		private readonly Context _ctx;
+
+		public AndroidContentStorage(Context ctx)
+		{
+			_ctx = ctx;
+		}
+
+		public IEnumerable<string> SupportedProtocols
+		{
+			get { yield return "content"; }
+		}
+
+		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 Stream OpenFileForRead(IOConnectionInfo ioc)
+		{
+			return _ctx.ContentResolver.OpenInputStream(Android.Net.Uri.Parse(ioc.Path));
+		}
+
+		public IWriteTransaction OpenWriteTransaction(IOConnectionInfo ioc, bool useFileTransaction)
+		{
+			return new AndroidContentWriteTransaction(ioc.Path, _ctx);
+		}
+
+		public string GetFilenameWithoutPathAndExt(IOConnectionInfo ioc)
+		{
+			return "";
+		}
+
+		public bool RequiresCredentials(IOConnectionInfo ioc)
+		{
+			return false;
+		}
+
+		public void CreateDirectory(IOConnectionInfo ioc, string newDirName)
+		{
+			throw new NotImplementedException();
+		}
+
+		public IEnumerable<FileDescription> ListContents(IOConnectionInfo ioc)
+		{
+			throw new NotImplementedException();
+		}
+
+		public FileDescription GetFileDescription(IOConnectionInfo ioc)
+		{
+			throw new NotImplementedException();
+		}
+
+		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)
+		{
+			Intent intent = new Intent();
+			activity.IocToIntent(intent, new IOConnectionInfo() { Path = protocolId + "://" });
+			activity.OnImmediateResult(requestCode, (int)FileStorageResults.FileChooserPrepared, intent);
+		}
+
+		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 OnCreate(IFileStorageSetupActivity activity, Bundle savedInstanceState)
+		{
+			throw new NotImplementedException();
+		}
+
+		public void OnResume(IFileStorageSetupActivity activity)
+		{
+			throw new NotImplementedException();
+		}
+
+		public void OnStart(IFileStorageSetupActivity activity)
+		{
+			throw new NotImplementedException();
+		}
+
+		public void OnActivityResult(IFileStorageSetupActivity activity, int requestCode, int resultCode, Intent data)
+		{
+			throw new NotImplementedException();
+		}
+
+		public string GetDisplayName(IOConnectionInfo ioc)
+		{
+			return ioc.Path;
+		}
+
+		public string CreateFilePath(string parent, string newFilename)
+		{
+			throw new NotImplementedException();
+		}
+
+		public IOConnectionInfo GetParentPath(IOConnectionInfo ioc)
+		{
+			throw new NotImplementedException();
+		}
+
+		public IOConnectionInfo GetFilePath(IOConnectionInfo folderPath, string filename)
+		{
+			throw new NotImplementedException();
+		}
+	}
+
+	class AndroidContentWriteTransaction : IWriteTransaction
+	{
+		private readonly string _path;
+		private readonly Context _ctx;
+		private MemoryStream _memoryStream;
+
+		public AndroidContentWriteTransaction(string path, Context ctx)
+		{
+			_path = path;
+			_ctx = ctx;
+		}
+
+		public void Dispose()
+		{
+			_memoryStream.Dispose();
+		}
+
+		public Stream OpenFile()
+		{
+			_memoryStream = new MemoryStream();
+			return _memoryStream;
+		}
+
+		public void CommitWrite()
+		{
+			using (Stream outputStream = _ctx.ContentResolver.OpenOutputStream(Android.Net.Uri.Parse(_path)))
+			{
+				outputStream.Write(_memoryStream.ToArray(), 0, (int)_memoryStream.Length);
+			}
+			
+			
+		}
+	}
+
+	
+}

src/Kp2aBusinessLogic/Kp2aBusinessLogic.csproj

@@ -20,7 +20,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>TRACE;DEBUG;EXCLUDE_TWOFISH;INCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;EXCLUDE_KEYTRANSFORM</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;EXCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;INCLUDE_KEYTRANSFORM</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
@@ -64,6 +64,7 @@
     <Compile Include="DataExchange\Formats\KeePassKdb2x.cs" />
     <Compile Include="DataExchange\Formats\KeePassXml2x.cs" />
     <Compile Include="DataExchange\PwExportInfo.cs" />
+    <Compile Include="Io\AndroidContentStorage.cs" />
     <Compile Include="Io\BuiltInFileStorage.cs" />
     <Compile Include="Io\CachingFileStorage.cs" />
     <Compile Include="Io\DropboxFileStorage.cs" />

src/java/InputStickAPI/project.properties

@@ -11,5 +11,5 @@
 #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
 
 # Project target.
-target=android-20
+target=android-19
 android.library=true

src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwDatabaseV3.java

@@ -47,10 +47,14 @@ package com.keepassdroid.database;
 
 // Java
 import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.PushbackInputStream;
 import java.io.UnsupportedEncodingException;
 import java.security.DigestOutputStream;
 import java.security.MessageDigest;
@@ -125,18 +129,18 @@ public class PwDatabaseV3 {
 
 
 	
-	public void setMasterKey(String key, String keyFileName)
+	public void setMasterKey(String key, InputStream keyfileStream)
 			throws InvalidKeyFileException, IOException {
-				assert( key != null && keyFileName != null );
+				assert( key != null && keyfileStream != null );
 			
-				masterKey = getMasterKey(key, keyFileName);
+				masterKey = getMasterKey(key, keyfileStream);
 			}
 
-	protected byte[] getCompositeKey(String key, String keyFileName)
+	protected byte[] getCompositeKey(String key, InputStream keyfileStream)
 			throws InvalidKeyFileException, IOException {
-				assert(key != null && keyFileName != null);
+				assert(key != null && keyfileStream != null);
 				
-				byte[] fileKey = getFileKey(keyFileName);
+				byte[] fileKey = getFileKey(keyfileStream);
 				
 				byte[] passwordKey = getPasswordKey(key);
 				
@@ -152,45 +156,39 @@ public class PwDatabaseV3 {
 				return md.digest(fileKey);
 	}
 	
-	protected byte[] getFileKey(String fileName)
+	protected byte[] getFileKey(InputStream keyfileStream)
 			throws InvalidKeyFileException, IOException {
-				assert(fileName != null);
+				assert(keyfileStream != null);
 				
-				File keyfile = new File(fileName);
 				
-				if ( ! keyfile.exists() ) {
-					throw new InvalidKeyFileException();
+				byte[] buff = new byte[8000];
+
+				int bytesRead = 0;
+
+				ByteArrayOutputStream bao = new ByteArrayOutputStream();
+
+				while ((bytesRead = keyfileStream.read(buff)) != -1) {
+					bao.write(buff, 0, bytesRead);
 				}
 
-				byte[] key = loadXmlKeyFile(fileName);
-				if ( key != null ) {
-					return key;
-				}
+				byte[] keyFileData = bao.toByteArray();
 
-				FileInputStream fis;
-				try {
-					fis = new FileInputStream(keyfile);
-				} catch (FileNotFoundException e) {
-					throw new InvalidKeyFileException();
-				}
+				ByteArrayInputStream bin = new ByteArrayInputStream(keyFileData);
 				
-				BufferedInputStream bis = new BufferedInputStream(fis, 64);
 				
-				long fileSize = keyfile.length();
-				if ( fileSize == 0 ) {
-					throw new KeyFileEmptyException();
-				} else if ( fileSize == 32 ) {
+				
+				if ( keyFileData.length == 32 ) {
 					byte[] outputKey = new byte[32];
-					if ( bis.read(outputKey, 0, 32) != 32 ) {
+					if ( bin.read(outputKey, 0, 32) != 32 ) {
 						throw new IOException("Error reading key.");
 					}
 					
 					return outputKey;
-				} else if ( fileSize == 64 ) {
+				} else if ( keyFileData.length == 64 ) {
 					byte[] hex = new byte[64];
 					
-					bis.mark(64);
-					if ( bis.read(hex, 0, 64) != 64 ) {
+					bin.mark(64);
+					if ( bin.read(hex, 0, 64) != 64 ) {
 						throw new IOException("Error reading key.");
 					}
 			
@@ -198,7 +196,7 @@ public class PwDatabaseV3 {
 						return hexStringToByteArray(new String(hex));
 					} catch (IndexOutOfBoundsException e) {
 						// Key is not base 64, treat it as binary data
-						bis.reset();
+						bin.reset();
 					}
 				}
 			
@@ -214,7 +212,7 @@ public class PwDatabaseV3 {
 				
 				try {
 					while (true) {
-						int bytesRead = bis.read(buffer, 0, 2048);
+						bytesRead = bin.read(buffer, 0, 2048);
 						if ( bytesRead == -1 ) break;  // End of file
 						
 						md.update(buffer, 0, bytesRead);
@@ -495,16 +493,16 @@ public class PwDatabaseV3 {
 		return newId;
 	}
 
-	public byte[] getMasterKey(String key, String keyFileName)
+	public byte[] getMasterKey(String key, InputStream keyfileStream)
 			throws InvalidKeyFileException, IOException {
-		assert (key != null && keyFileName != null);
+		assert (key != null && keyfileStream != null);
 
-		if (key.length() > 0 && keyFileName.length() > 0) {
-			return getCompositeKey(key, keyFileName);
+		if (key.length() > 0 && keyfileStream != null) {
+			return getCompositeKey(key, keyfileStream);
 		} else if (key.length() > 0) {
 			return getPasswordKey(key);
-		} else if (keyFileName.length() > 0) {
-			return getFileKey(keyFileName);
+		} else if (keyfileStream != null) {
+			return getFileKey(keyfileStream);
 		} else {
 			throw new IllegalArgumentException("Key cannot be empty.");
 		}
@@ -515,11 +513,6 @@ public class PwDatabaseV3 {
 		return getPasswordKey(key, "ISO-8859-1");
 	}
 
-	protected byte[] loadXmlKeyFile(String fileName) {
-		return null;
-	}
-
-
 
 	public long getNumRounds() {
 		return numKeyEncRounds;

src/java/KP2AKdbLibrary/src/com/keepassdroid/database/load/ImporterV3.java

@@ -123,13 +123,13 @@ public class ImporterV3  {
 	 * @throws InvalidAlgorithmParameterException if error decrypting main file body. 
 	 * @throws ShortBufferException if error decrypting main file body.
 	 */
-	public PwDatabaseV3 openDatabase( InputStream inStream, String password, String keyfile )
+	public PwDatabaseV3 openDatabase( InputStream inStream, String password, InputStream keyfileStream )
 	throws IOException, InvalidDBException
 	{
-		return openDatabase(inStream, password, keyfile, new UpdateStatus());
+		return openDatabase(inStream, password, keyfileStream, new UpdateStatus());
 	}
 
-	public PwDatabaseV3 openDatabase( InputStream inStream, String password, String keyfile, UpdateStatus status )
+	public PwDatabaseV3 openDatabase( InputStream inStream, String password, InputStream keyfileStream, UpdateStatus status )
 	throws IOException, InvalidDBException
 	{
 		PwDatabaseV3        newManager;
@@ -175,7 +175,7 @@ public class ImporterV3  {
 		}
 
 		newManager = createDB();
-		newManager.setMasterKey( password, keyfile );
+		newManager.setMasterKey( password, keyfileStream );
 
 		// Select algorithm
 		if( (hdr.flags & PwDbHeaderV3.FLAG_RIJNDAEL) != 0 ) {

src/keepass2android/CreateDatabaseActivity.cs

@@ -327,9 +327,9 @@ namespace keepass2android
 						defaultPath =>
 						{
 							if (defaultPath.StartsWith("sftp://"))
-								Util.ShowSftpDialog(this, OnReceiveSftpData);
+								Util.ShowSftpDialog(this, OnReceiveSftpData, () => { });
 							else
-								Util.ShowFilenameDialog(this, OnCreateButton, null, false, defaultPath, GetString(Resource.String.enter_filename_details_url),
+								Util.ShowFilenameDialog(this, OnCreateButton, null, null, false, defaultPath, GetString(Resource.String.enter_filename_details_url),
 												Intents.RequestCodeFileBrowseForOpen);
 						}
 						), true, RequestCodeDbFilename, protocolId);

src/keepass2android/EntryEditActivity.cs

@@ -1,4 +1,4 @@
-/*
+/*
 This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
 
   Keepass2Android is free software: you can redistribute it and/or modify
@@ -682,7 +682,7 @@ namespace keepass2android
 			addBinaryButton.SetCompoundDrawablesWithIntrinsicBounds( Resources.GetDrawable(Android.Resource.Drawable.IcMenuAdd) , null, null, null);
 			addBinaryButton.Click += (sender, e) => 
 			{
-				Util.ShowBrowseDialog("/mnt/sdcard", this, Intents.RequestCodeFileBrowseForBinary, false);
+				Util.ShowBrowseDialog(this, Intents.RequestCodeFileBrowseForBinary, false);
 
 			};
 			binariesGroup.AddView(addBinaryButton,layoutParams);

src/keepass2android/ExportDatabaseActivity.cs

@@ -61,9 +61,9 @@ namespace keepass2android
 						defaultPath =>
 						{
 							if (defaultPath.StartsWith("sftp://"))
-								Util.ShowSftpDialog(this, OnReceiveSftpData);
+								Util.ShowSftpDialog(this, OnReceiveSftpData, () => { });
 							else
-								Util.ShowFilenameDialog(this, OnCreateButton, null, false, defaultPath, GetString(Resource.String.enter_filename_details_url),
+								Util.ShowFilenameDialog(this, OnCreateButton, null, null, false, defaultPath, GetString(Resource.String.enter_filename_details_url),
 												Intents.RequestCodeFileBrowseForOpen);
 						}
 						), true, RequestCodeDbFilename, protocolId);

src/keepass2android/FileStorageSelectionActivity.cs

@@ -14,7 +14,7 @@ namespace keepass2android
 	[Activity (Label = "@string/app_name", ConfigurationChanges=ConfigChanges.Orientation|ConfigChanges.KeyboardHidden , Theme="@style/NoTitleBar")]		
 	public class FileStorageSelectionActivity : ListActivity
 	{
-		private ActivityDesign _design;
+		private readonly ActivityDesign _design;
 
 		private FileStorageAdapter _fileStorageAdapter;
 
@@ -42,6 +42,9 @@ namespace keepass2android
 				//put file:// to the top
 				_protocolIds.Remove("file");
 				_protocolIds.Insert(0, "file");
+				//remove "content" (covered by androidget)
+				_protocolIds.Remove("content");
+
 				if (context.Intent.GetBooleanExtra(AllowThirdPartyAppGet, false))
 					_protocolIds.Add("androidget");
 				if (context.Intent.GetBooleanExtra(AllowThirdPartyAppSend, false))

src/keepass2android/PasswordActivity.cs

@@ -24,6 +24,7 @@ using System.Xml.Serialization;
 using Android.App;
 using Android.Content;
 using Android.Database;
+using Android.Graphics.Drawables;
 using Android.OS;
 using Android.Runtime;
 using Android.Views;
@@ -86,7 +87,7 @@ namespace keepass2android
 		private const int RequestCodePrepareDbFile = 1000;
 		private const int RequestCodePrepareOtpAuxFile = 1001;
         private const int RequestCodeChallengeYubikey = 1002;
-
+		private const int RequestCodeSelectKeyfile = 1003;
 
 		private Task<MemoryStream> _loadDbTask;
 		private IOConnectionInfo _ioConnection;
@@ -137,6 +138,7 @@ namespace keepass2android
 		private ActivityDesign _design;
 		private bool _performingLoad;
 		
+
 		public PasswordActivity (IntPtr javaReference, JniHandleOwnership transfer)
 			: base(javaReference, transfer)
 		{
@@ -258,26 +260,20 @@ namespace keepass2android
 							
 							KcpKeyFile kcpKeyfile = (KcpKeyFile)App.Kp2a.GetDb().KpDatabase.MasterKey.GetUserKey(typeof(KcpKeyFile));
 
-							SetEditText(Resource.Id.pass_keyfile, kcpKeyfile.Path);
+							FindViewById<TextView>(Resource.Id.label_keyfilename).Text =
+								App.Kp2a.GetFileStorage(kcpKeyfile.Ioc).GetDisplayName(kcpKeyfile.Ioc);
 
 						}
 					}
 					App.Kp2a.LockDatabase(false);
 					break;
-				case Result.Ok: // Key file browse dialog OK'ed.
-					if (requestCode == Intents.RequestCodeFileBrowseForKeyfile) {
-						string filename = Util.IntentToFilename(data, this);
-						if (filename != null) {
-							if (filename.StartsWith("file://")) {
-								filename = filename.Substring(7);
-							}
-							
-							filename = URLDecoder.Decode(filename);
-							
-							EditText fn = (EditText) FindViewById(Resource.Id.pass_keyfile);
-							fn.Text = filename;
-							
-						}
+				case Result.Ok:
+					if (requestCode == RequestCodeSelectKeyfile) 
+					{
+						IOConnectionInfo ioc = new IOConnectionInfo();
+						SetIoConnectionFromIntent(ioc, data);
+						_keyFileOrProvider = IOConnectionInfo.SerializeToString(ioc);
+						UpdateKeyfileIocView();
 					}
 					break;
 				case (Result)FileStorageResults.FileUsagePrepared:
@@ -354,6 +350,39 @@ namespace keepass2android
 		}
 
 
+		private void UpdateKeyfileIocView()
+		{
+			//store keyfile in the view so that we can show the selected keyfile again if the user switches to another key provider and back to key file
+			FindViewById<TextView>(Resource.Id.label_keyfilename).Tag = _keyFileOrProvider;
+			if (string.IsNullOrEmpty(_keyFileOrProvider))
+			{
+				FindViewById<TextView>(Resource.Id.filestorage_label).Visibility = ViewStates.Gone;
+				FindViewById<ImageView>(Resource.Id.filestorage_logo).Visibility = ViewStates.Gone;
+				FindViewById<TextView>(Resource.Id.label_keyfilename).Text = Resources.GetString(Resource.String.no_keyfile_selected);
+			
+				return;
+			}
+			var ioc = IOConnectionInfo.UnserializeFromString(_keyFileOrProvider);
+			string displayPath = App.Kp2a.GetFileStorage(ioc).GetDisplayName(ioc);
+			int protocolSeparatorPos = displayPath.IndexOf("://", StringComparison.Ordinal);
+			string protocolId = protocolSeparatorPos < 0 ?
+				"file" : displayPath.Substring(0, protocolSeparatorPos);
+			Drawable drawable = App.Kp2a.GetResourceDrawable("ic_storage_" + protocolId);
+			FindViewById<ImageView>(Resource.Id.filestorage_logo).SetImageDrawable(drawable);
+			FindViewById<ImageView>(Resource.Id.filestorage_logo).Visibility = ViewStates.Visible;
+			
+
+			String title = App.Kp2a.GetResourceString("filestoragename_" + protocolId);
+			FindViewById<TextView>(Resource.Id.filestorage_label).Text = title;
+			FindViewById<TextView>(Resource.Id.filestorage_label).Visibility = ViewStates.Visible;
+
+			FindViewById<TextView>(Resource.Id.label_keyfilename).Text = protocolSeparatorPos < 0 ?
+				displayPath :
+				displayPath.Substring(protocolSeparatorPos + 3);
+
+		}
+
+
 		private void LoadOtpFile()
 		{
 			new LoadingDialog<object, object, object>(this, true, 
@@ -543,14 +572,11 @@ namespace keepass2android
 			InitializeFilenameView();
 
 			if (KeyProviderType == KeyProviders.KeyFile)
-				SetEditText(Resource.Id.pass_keyfile, _keyFileOrProvider);
-
-			FindViewById<EditText>(Resource.Id.pass_keyfile).TextChanged +=
-				(sender, args) =>
 			{
-					_keyFileOrProvider = FindViewById<EditText>(Resource.Id.pass_keyfile).Text;
-					UpdateOkButtonState();
-				};
+				UpdateKeyfileIocView();
+			}
+				
+
 
 			FindViewById<EditText>(Resource.Id.password).TextChanged +=
 				(sender, args) =>
@@ -705,20 +731,14 @@ namespace keepass2android
 
 		private void InitializeKeyfileBrowseButton()
 		{
-			ImageButton browse = (ImageButton) FindViewById(Resource.Id.browse_button);
-			browse.Click += (sender, evt) =>
+			var browseButton = (Button)FindViewById(Resource.Id.btn_change_location);
+			browseButton.Click += (sender, evt) =>
 				{
-					string filename = null;
-					if (!String.IsNullOrEmpty(_ioConnection.Path))
-					{
-						File keyfile = new File(_ioConnection.Path);
-						File parent = keyfile.ParentFile;
-						if (parent != null)
-						{
-							filename = parent.AbsolutePath;
-						}
-					}
-					Util.ShowBrowseDialog(filename, this, Intents.RequestCodeFileBrowseForKeyfile, false);
+					Intent intent = new Intent(this, typeof(SelectStorageLocationActivity));
+					intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppGet, true);
+					intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppSend, false);
+					intent.PutExtra(FileStorageSetupDefs.ExtraIsForSave, false);
+					StartActivityForResult(intent, RequestCodeSelectKeyfile);
 				};
 		}
 
@@ -738,7 +758,7 @@ namespace keepass2android
 								break;
 							case 1:
 								//don't set to "" to prevent losing the filename. (ItemSelected is also called during recreation!)
-								_keyFileOrProvider = FindViewById<EditText>(Resource.Id.pass_keyfile).Text;
+								_keyFileOrProvider = (FindViewById(Resource.Id.label_keyfilename).Tag ?? "").ToString();
 								break;
 							case 2:
 								_keyFileOrProvider = KeyProviderIdOtp;
@@ -779,7 +799,7 @@ namespace keepass2android
 				_showPassword = savedInstanceState.GetBoolean(ShowpasswordKey, false);
 				MakePasswordMaskedOrVisible();
 
-				_keyFileOrProvider = FindViewById<EditText>(Resource.Id.pass_keyfile).Text = savedInstanceState.GetString(KeyFileOrProviderKey);
+				_keyFileOrProvider = savedInstanceState.GetString(KeyFileOrProviderKey);
 				_password = FindViewById<EditText>(Resource.Id.password).Text = savedInstanceState.GetString(PasswordKey);
 
 				_pendingOtps = new List<string>(savedInstanceState.GetStringArrayList(PendingOtpsKey));
@@ -850,6 +870,11 @@ namespace keepass2android
 			FindViewById(Resource.Id.keyfileLine).Visibility = KeyProviderType == KeyProviders.KeyFile
 				                                                   ? ViewStates.Visible
 				                                                   : ViewStates.Gone;
+			if (KeyProviderType == KeyProviders.KeyFile)
+			{
+				UpdateKeyfileIocView();
+			}
+			
 			FindViewById(Resource.Id.otpView).Visibility = KeyProviderType == KeyProviders.Otp
 				                                               ? ViewStates.Visible
 				                                               : ViewStates.Gone;
@@ -880,12 +905,26 @@ namespace keepass2android
 			{
 				try
 				{
-					compositeKey.AddUserKey(new KcpKeyFile(_keyFileOrProvider));
+					if (_keyFileOrProvider == "")
+						throw new System.IO.FileNotFoundException();
+					var ioc = IOConnectionInfo.UnserializeFromString(_keyFileOrProvider);
+					using (var stream = App.Kp2a.GetFileStorage(ioc).OpenFileForRead(ioc))
+					{
+						byte[] keyfileData = StreamToMemoryStream(stream).ToArray();
+						compositeKey.AddUserKey(new KcpKeyFile(keyfileData, ioc, true));
+					}
+
+				}
+				catch (System.IO.FileNotFoundException e)
+				{
+					Kp2aLog.Log(e.ToString());
+					Toast.MakeText(this, App.Kp2a.GetResourceString(UiStringKey.keyfile_does_not_exist), ToastLength.Long).Show();
+					return;
 				}
 				catch (Exception e)
 				{
 					Kp2aLog.Log(e.ToString());
-					Toast.MakeText(this, App.Kp2a.GetResourceString(UiStringKey.keyfile_does_not_exist), ToastLength.Long).Show();
+					Toast.MakeText(this, e.Message, ToastLength.Long).Show();
 					return;
 				}
 			}
@@ -1032,23 +1071,29 @@ namespace keepass2android
 			var fileStorage = App.Kp2a.GetFileStorage(_ioConnection);
 			var stream = fileStorage.OpenFileForRead(_ioConnection);
 
+			var memoryStream = StreamToMemoryStream(stream);
+
+			Kp2aLog.Log("Pre-loading database file completed");
+
+			return memoryStream;
+		}
+
+		private static MemoryStream StreamToMemoryStream(Stream stream)
+		{
 			var memoryStream = stream as MemoryStream;
 			if (memoryStream == null)
 			{
-				// Read the file into memory
+				// Read the stream into memory
 				int capacity = 4096; // Default initial capacity, if stream can't report it.
 				if (stream.CanSeek)
 				{
-					capacity = (int)stream.Length;
+					capacity = (int) stream.Length;
 				}
 				memoryStream = new MemoryStream(capacity);
 				stream.CopyTo(memoryStream);
 				stream.Close();
-				memoryStream.Seek(0, System.IO.SeekOrigin.Begin);
+				memoryStream.Seek(0, SeekOrigin.Begin);
 			}
-
-			Kp2aLog.Log("Pre-loading database file completed");
-
 			return memoryStream;
 		}
 

src/keepass2android/Resources/layout/password.xml

@@ -86,25 +86,61 @@ android:layout_height="match_parent"
 				android:layout_height="wrap_content"
 				android:src="@drawable/ic_menu_view" />
 		</LinearLayout>
+
 		<LinearLayout
 			android:id="@+id/keyfileLine"
 			android:layout_width="fill_parent"
 			android:layout_height="wrap_content"
 			android:baselineAligned="false"
-			android:orientation="horizontal">
-			<EditText
-				android:id="@+id/pass_keyfile"
-				android:layout_width="0px"
-				android:layout_height="wrap_content"
-				android:singleLine="true"
-				android:layout_weight="1"
-				android:layout_gravity="bottom"
-				android:hint="@string/entry_keyfile" />
-			<ImageButton
-				android:id="@+id/browse_button"
+			android:orientation="vertical">
+			
+			<TextView
+			android:id="@+id/keyfile_heading"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
-				android:src="@drawable/ic_launcher_folder_small" />
+			android:text="@string/keyfile_heading" />
+
+			<LinearLayout
+	android:orientation="horizontal"
+android:layout_width="fill_parent"
+android:layout_height="wrap_content">
+
+			<ImageView
+				android:id="@+id/filestorage_logo"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:src="@drawable/ic_storage_file"
+				android:padding="5dp"
+					
+				/>
+
+			<TextView
+		android:id="@+id/filestorage_label"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginTop="10dp"
+		android:text="Local file (TODO!)"
+		android:textSize="16dp" >
+			</TextView>
+		</LinearLayout>
+
+		<TextView
+		android:id="@+id/label_keyfilename"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:text="[path]"
+		android:layout_marginLeft="18dp"
+			 />
+
+		<Button android:id="@+id/btn_change_location"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:text="@string/button_change_location"
+			style="@style/TextAppearance_SubElement"
+			/>
+
+
+
 		</LinearLayout>
 		<LinearLayout
 			android:id="@+id/otpView"

src/keepass2android/Resources/values/strings.xml

@@ -32,6 +32,8 @@
 
 	<string name="ShowGroupInEntry_title">Show group name in entry view</string>
 
+	<string name="unknown_uri_scheme">Sorry! Keepass2Android cannot handle the returned URI  %1$s. Please contact the developer!</string>
+
 	<string name="security_prefs">Security</string>
 	<string name="display_prefs">Display</string>
 	<string name="password_access_prefs">Password entry access</string>
@@ -68,6 +70,7 @@
   <string name="entry_expires">Expires</string>
   <string name="entry_group_name">Group Name</string>
   <string name="entry_keyfile">Key file (optional)</string>
+	<string name="keyfile_heading">Key file</string>
   <string name="entry_modified">Modified</string>
   <string name="entry_password">Password</string>
   <string name="entry_save">Save</string>
@@ -114,6 +117,7 @@
   <string name="invalid_algorithm">Invalid algorithm.</string>
   <string name="invalid_db_sig">Database format not recognized.</string>
   <string name="keyfile_does_not_exist">Key file does not exist.</string>
+	<string name="no_keyfile_selected">No key file selected.</string>
   <string name="keyfile_is_empty">Key file is empty.</string>
   <string name="length">Length</string>
   <string name="list_size_title">Group list size</string>

src/keepass2android/SelectStorageLocationActivity.cs

@@ -0,0 +1,245 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using KeePassLib.Serialization;
+using keepass2android.Io;
+using Environment = Android.OS.Environment;
+
+namespace keepass2android
+{
+	[Activity(Label = "")]
+	public class SelectStorageLocationActivity : Activity
+	{
+		private ActivityDesign _design;
+		private bool _isRecreated;
+		private const int RequestCodeFileStorageSelection = 983713;
+
+		public SelectStorageLocationActivity()
+		{
+			_design = new ActivityDesign(this);
+		}
+
+		protected override void OnCreate(Bundle bundle)
+		{
+			base.OnCreate(bundle);
+			
+			_design.ApplyTheme();
+
+
+			Kp2aLog.Log("SelectStorageLocationActivity.OnCreate");
+
+			IsForSave = Intent.GetBooleanExtra(FileStorageSetupDefs.ExtraIsForSave, false);
+			if (IsForSave)
+			{
+				throw new Exception("save is not yet implemented. In StartSelectFile, no handler for onCreate is passed.");
+			}
+				
+			bool allowThirdPartyGet = Intent.GetBooleanExtra(FileStorageSelectionActivity.AllowThirdPartyAppGet, false);
+			bool allowThirdPartySend = Intent.GetBooleanExtra(FileStorageSelectionActivity.AllowThirdPartyAppSend, false);
+			if (bundle == null)
+				State = new Bundle();
+			else
+			{
+				State = (Bundle)bundle.Clone();
+				_isRecreated = true;
+			}
+
+			if (!_isRecreated)
+			{
+				Intent intent = new Intent(this, typeof(FileStorageSelectionActivity));
+				intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppGet, allowThirdPartyGet);
+				intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppSend, allowThirdPartySend);
+				StartActivityForResult(intent, RequestCodeFileStorageSelection);	
+			}
+				
+
+		}
+
+		protected Bundle State { get; set; }
+
+		protected bool IsForSave { get; set; }
+
+
+		protected override void OnSaveInstanceState(Bundle outState)
+		{
+			base.OnSaveInstanceState(outState);
+
+			outState.PutAll(State);
+		}
+
+		protected override void OnResume()
+		{
+			base.OnResume();
+			_design.ReapplyTheme();
+		}
+
+		protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
+		{
+			base.OnActivityResult(requestCode, resultCode, data);
+			if (requestCode == RequestCodeFileStorageSelection)
+			{
+				if (resultCode == KeePass.ExitFileStorageSelectionOk)
+				{
+
+					string protocolId = data.GetStringExtra("protocolId");
+
+					if (protocolId == "androidget")
+					{
+						Util.ShowBrowseDialog(this, Intents.RequestCodeFileBrowseForOpen, false);
+					}
+					else
+					{
+						App.Kp2a.GetFileStorage(protocolId).StartSelectFile(new FileStorageSetupInitiatorActivity(this,
+							OnActivityResult,
+							defaultPath =>
+							{
+								if (defaultPath.StartsWith("sftp://"))
+									Util.ShowSftpDialog(this, OnReceivedSftpData, ReturnCancel);
+								else
+									Util.ShowFilenameDialog(this, OnOpenButton, null, ReturnCancel, false, defaultPath, GetString(Resource.String.enter_filename_details_url),
+													Intents.RequestCodeFileBrowseForOpen);
+							}
+							), false, 0, protocolId);
+					}
+
+
+				}
+				else
+				{
+					if (resultCode == (Result)FileStorageResults.FileChooserPrepared)
+					{
+						IOConnectionInfo ioc = new IOConnectionInfo();
+						PasswordActivity.SetIoConnectionFromIntent(ioc, data);
+#if !EXCLUDE_FILECHOOSER
+				StartFileChooser(ioc.Path);
+#else
+						ReturnIoc(new IOConnectionInfo { Path = "/mnt/sdcard/keepass/yubi.kdbx" });
+#endif
+						return;
+					}
+					if ((resultCode == Result.Canceled) && (data != null) && (data.HasExtra("EXTRA_ERROR_MESSAGE")))
+					{
+						Toast.MakeText(this, data.GetStringExtra("EXTRA_ERROR_MESSAGE"), ToastLength.Long).Show();
+					}
+					ReturnCancel();
+				}
+	
+			}
+			
+			if (requestCode == Intents.RequestCodeFileBrowseForOpen)
+			{
+				if (resultCode == Result.Ok)
+				{
+					string filename = Util.IntentToFilename(data, this);
+					if (filename != null)
+					{
+						if (filename.StartsWith("file://"))
+						{
+							filename = filename.Substring(7);
+							filename = Java.Net.URLDecoder.Decode(filename);
+						}
+
+						IOConnectionInfo ioc = new IOConnectionInfo
+							{
+								Path = filename
+							};
+
+						ReturnIoc(ioc);
+					}
+					else
+					{
+						if (data.Data.Scheme == "content")
+						{
+							ReturnIoc(IOConnectionInfo.FromPath(data.DataString));
+	
+						}
+						else
+						{
+							Toast.MakeText(this, Resources.GetString(Resource.String.unknown_uri_scheme, new Java.Lang.Object[] {data.DataString}),
+							               ToastLength.Long).Show();
+							ReturnCancel();
+						}
+						
+					}
+				}
+				else
+				{
+					ReturnCancel();	
+				}
+				
+				
+			}
+				
+
+
+			
+		}
+
+		private void ReturnCancel()
+		{
+			SetResult(Result.Canceled);
+			Finish();
+		}
+
+		private void ReturnIoc(IOConnectionInfo ioc)
+		{
+			Intent intent = new Intent();
+			PasswordActivity.PutIoConnectionToIntent(ioc, intent);
+			SetResult(Result.Ok, intent);
+			Finish();
+
+		}
+
+		private bool OnReceivedSftpData(string filename)
+		{
+			IOConnectionInfo ioc = new IOConnectionInfo { Path = filename };
+#if !EXCLUDE_FILECHOOSER
+			StartFileChooser(ioc.Path);
+#else
+			ReturnIoc(ioc);
+#endif
+			return true;
+		}
+
+#if !EXCLUDE_FILECHOOSER
+		private void StartFileChooser(string defaultPath)
+		{
+			Kp2aLog.Log("FSA: defaultPath="+defaultPath);
+			string fileProviderAuthority = FileChooserFileProvider.TheAuthority;
+			if (defaultPath.StartsWith("file://"))
+			{
+				fileProviderAuthority = PackageName+".android-filechooser.localfile";
+			}
+			Intent i = Keepass2android.Kp2afilechooser.Kp2aFileChooserBridge.GetLaunchFileChooserIntent(this, fileProviderAuthority,
+			                                                                                            defaultPath);
+
+			StartActivityForResult(i, Intents.RequestCodeFileBrowseForOpen);
+		}
+
+#endif
+		private bool OnOpenButton(String fileName)
+		{
+
+			IOConnectionInfo ioc = new IOConnectionInfo
+			{
+				Path = fileName
+			};
+
+			ReturnIoc(ioc);
+
+			return true;
+
+		}
+
+	}
+
+
+}

src/keepass2android/Utils/Util.cs

@@ -141,7 +141,7 @@ namespace keepass2android
 			return list.Count > 0;
 		}
 
-		public static void ShowBrowseDialog(string filename, Activity act, int requestCodeBrowse, bool forSaving)
+		public static void ShowBrowseDialog(Activity act, int requestCodeBrowse, bool forSaving)
 		{
 			if ((!forSaving) && (IsIntentAvailable(act, Intent.ActionGetContent, "*/*", new List<string> { Intent.CategoryOpenable})))
 			{
@@ -223,7 +223,7 @@ namespace keepass2android
 
 		public delegate bool FileSelectedHandler(string filename);
 
-		public static void ShowSftpDialog(Activity activity, FileSelectedHandler onStartBrowse)
+		public static void ShowSftpDialog(Activity activity, FileSelectedHandler onStartBrowse, Action onCancel)
 		{
 #if !EXCLUDE_JAVAFILESTORAGE
 			AlertDialog.Builder builder = new AlertDialog.Builder(activity);
@@ -244,7 +244,7 @@ namespace keepass2android
 					                                                                                          password);
 					                          onStartBrowse(sftpPath);
 				                          });
-			builder.SetNegativeButton(Android.Resource.String.Cancel, (sender, args) => {});
+			builder.SetNegativeButton(Android.Resource.String.Cancel, onCancel);
 			builder.SetTitle(activity.GetString(Resource.String.enter_sftp_login_title));
 			Dialog dialog = builder.Create();
 			
@@ -252,8 +252,22 @@ namespace keepass2android
 #endif
 		}
 
-		public static void ShowFilenameDialog(Activity activity, FileSelectedHandler onOpen, FileSelectedHandler onCreate, bool showBrowseButton,
-		                                string defaultFilename, string detailsText, int requestCodeBrowse)
+		class DismissListener:  Java.Lang.Object, IDialogInterfaceOnDismissListener
+		{
+			private readonly Action _onDismiss;
+
+			public DismissListener(Action onDismiss)
+			{
+				_onDismiss = onDismiss;
+			}
+
+			public void OnDismiss(IDialogInterface dialog)
+			{
+				_onDismiss();
+			}
+		}
+
+		public static void ShowFilenameDialog(Activity activity, FileSelectedHandler onOpen, FileSelectedHandler onCreate, Action onCancel, bool showBrowseButton, string defaultFilename, string detailsText, int requestCodeBrowse)
 		{
 			AlertDialog.Builder builder = new AlertDialog.Builder(activity);
 			builder.SetView(activity.LayoutInflater.Inflate(Resource.Layout.file_selection_filename, null));
@@ -262,6 +276,7 @@ namespace keepass2android
 
 			Button openButton = (Button) dialog.FindViewById(Resource.Id.open);
 			Button createButton = (Button) dialog.FindViewById(Resource.Id.create);
+			
 			TextView enterFilenameDetails = (TextView) dialog.FindViewById(Resource.Id.label_open_by_filename_details);
 			openButton.Visibility = onOpen != null ? ViewStates.Visible : ViewStates.Gone;
 			createButton.Visibility = onCreate != null? ViewStates.Visible : ViewStates.Gone;
@@ -290,7 +305,15 @@ namespace keepass2android
 				}; 
 			
 			Button cancelButton = (Button) dialog.FindViewById(Resource.Id.fnv_cancel);
-			cancelButton.Click += (sender, e) => dialog.Dismiss();
+			cancelButton.Click += delegate
+				{
+					dialog.Dismiss();
+					
+				};
+
+			if (onCancel != null)
+				dialog.SetOnDismissListener(new DismissListener(onCancel));
+
 
 			ImageButton browseButton = (ImageButton) dialog.FindViewById(Resource.Id.browse_button);
 			if (!showBrowseButton)
@@ -301,7 +324,7 @@ namespace keepass2android
 				{
 					string filename = ((EditText) dialog.FindViewById(Resource.Id.file_filename)).Text;
 
-					Util.ShowBrowseDialog(filename, activity, requestCodeBrowse, onCreate != null);
+					Util.ShowBrowseDialog(activity, requestCodeBrowse, onCreate != null);
 
 				};
 

src/keepass2android/app/App.cs

@@ -443,7 +443,8 @@ namespace keepass2android
 							new SftpFileStorage(this),
 #endif
 #endif
-							new BuiltInFileStorage(this)
+							new BuiltInFileStorage(this),
+							new AndroidContentStorage(Application.Context)
 						};
 				}
 				return _fileStorages;

src/keepass2android/fileselect/FileSelectActivity.cs

@@ -69,6 +69,7 @@ namespace keepass2android
 		view.FileSelectButtons _fileSelectButtons;
 
 		internal AppTask AppTask;
+		private const int RequestCodeSelectIoc = 456;
 
 		public const string NoForwardToPasswordActivity = "NoForwardToPasswordActivity";
 
@@ -129,9 +130,11 @@ namespace keepass2android
 
 			EventHandler openFileButtonClick = (sender, e) => 
 			{
-				Intent intent = new Intent(this, typeof(FileStorageSelectionActivity));
+				Intent intent = new Intent(this, typeof(SelectStorageLocationActivity));
 				intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppGet, true);
-				StartActivityForResult(intent, 0);
+				intent.PutExtra(FileStorageSelectionActivity.AllowThirdPartyAppSend, false);
+				intent.PutExtra(FileStorageSetupDefs.ExtraIsForSave, false);
+				StartActivityForResult(intent, RequestCodeSelectIoc);	
 				                   
 			};
 			openFileButton.Click += openFileButtonClick;
@@ -294,19 +297,7 @@ namespace keepass2android
 			App.Kp2a.GetFileStorage(ioc)
 					   .PrepareFileUsage(new FileStorageSetupInitiatorActivity(this, OnActivityResult, null), ioc, 0, false);
 		}
-		private bool OnOpenButton(String fileName)
-		{
 		
-			IOConnectionInfo ioc = new IOConnectionInfo
-			{
-				Path = fileName
-			};
-
-			LaunchPasswordActivityForIoc(ioc);
-
-			return true;
-
-		}
 
 		protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
 		{
@@ -326,109 +317,23 @@ namespace keepass2android
 			
 			FillData();
 
-			if (resultCode == KeePass.ExitFileStorageSelectionOk)
-			{
 
-				string protocolId = data.GetStringExtra("protocolId");
-
-				if (protocolId == "androidget")
-				{
-					string defaultFilename = Environment.ExternalStorageDirectory +
-					                         GetString(Resource.String.default_file_path);
-					Util.ShowBrowseDialog(defaultFilename, this, Intents.RequestCodeFileBrowseForOpen, false);
-				}
-				else
-				{
-					App.Kp2a.GetFileStorage(protocolId).StartSelectFile(new FileStorageSetupInitiatorActivity(this, 
-						OnActivityResult,
-						defaultPath =>
-							{
-								if (defaultPath.StartsWith("sftp://"))
-									Util.ShowSftpDialog(this, OnReceivedSftpData);
-								else
-									Util.ShowFilenameDialog(this, OnOpenButton, null, false, defaultPath, GetString(Resource.String.enter_filename_details_url),
-								                    Intents.RequestCodeFileBrowseForOpen);
-							}
-						), false, 0, protocolId);
-				}
-
-				
-			}
-			
-			if ( (requestCode == Intents.RequestCodeFileBrowseForCreate
-			      || requestCode == Intents.RequestCodeFileBrowseForOpen)
-			    && resultCode == Result.Ok) {
-				string filename = Util.IntentToFilename(data, this);
-				if (filename != null) {
-					if (filename.StartsWith("file://")) {
-						filename = filename.Substring(7);
-						filename = Java.Net.URLDecoder.Decode(filename);
-					}
-					
-					if (requestCode == Intents.RequestCodeFileBrowseForOpen)
-					{
-						IOConnectionInfo ioc = new IOConnectionInfo
-						    { 
-							Path = filename
-						};
-						
-						LaunchPasswordActivityForIoc(ioc);
-					}
-
-					
-				}
-				
-			}
-
-			if (resultCode == (Result) FileStorageResults.FileUsagePrepared)
+			if (resultCode == (Result)FileStorageResults.FileUsagePrepared)
 			{
 				IOConnectionInfo ioc = new IOConnectionInfo();
 				PasswordActivity.SetIoConnectionFromIntent(ioc, data);
 				LaunchPasswordActivityForIoc(ioc);
 			}
-			if (resultCode == (Result)FileStorageResults.FileChooserPrepared)
+
+			if ((resultCode == Result.Ok) && (requestCode == RequestCodeSelectIoc))
 			{
 				IOConnectionInfo ioc = new IOConnectionInfo();
 				PasswordActivity.SetIoConnectionFromIntent(ioc, data);
-#if !EXCLUDE_FILECHOOSER
-				StartFileChooser(ioc.Path);
-#else
-				LaunchPasswordActivityForIoc(new IOConnectionInfo { Path = "/mnt/sdcard/keepass/yubi.kdbx"});
-#endif
-			}
-			if ((resultCode == Result.Canceled) && (data != null) && (data.HasExtra("EXTRA_ERROR_MESSAGE")))
-			{
-				Toast.MakeText(this, data.GetStringExtra("EXTRA_ERROR_MESSAGE"), ToastLength.Long).Show();
-			}
-		}
-
-		private bool OnReceivedSftpData(string filename)
-		{
-			IOConnectionInfo ioc = new IOConnectionInfo { Path = filename };
-#if !EXCLUDE_FILECHOOSER
-			StartFileChooser(ioc.Path);
-#else
 				LaunchPasswordActivityForIoc(ioc);
-#endif
-			return true;
 			}
 			
-#if !EXCLUDE_FILECHOOSER
-		private void StartFileChooser(string defaultPath)
-		{
-			Kp2aLog.Log("FSA: defaultPath="+defaultPath);
-			string fileProviderAuthority = FileChooserFileProvider.TheAuthority;
-			if (defaultPath.StartsWith("file://"))
-			{
-				fileProviderAuthority = PackageName+".android-filechooser.localfile";
-			}
-			Intent i = Keepass2android.Kp2afilechooser.Kp2aFileChooserBridge.GetLaunchFileChooserIntent(this, fileProviderAuthority,
-			                                                                                            defaultPath);
-
-			StartActivityForResult(i, Intents.RequestCodeFileBrowseForOpen);
 		}
 
-#endif
 		protected override void OnResume()
 		{
 			base.OnResume();

src/keepass2android/fileselect/FileStorageSetupActivity.cs

@@ -58,6 +58,12 @@ namespace keepass2android.fileselect
 
 		}
 
+		protected override void OnRestart()
+		{
+			base.OnRestart();
+			_isRecreated = true;
+		}
+
 		protected override void OnStart()
 		{
 			base.OnStart();

src/keepass2android/keepass2android.csproj

@@ -30,7 +30,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;EXCLUDE_TWOFISH;INCLUDE_KEYBOARD;INCLUDE_FILECHOOSER;INCLUDE_JAVAFILESTORAGE;EXCLUDE_KEYTRANSFORM</DefineConstants>
+    <DefineConstants>DEBUG;EXCLUDE_TWOFISH;EXCLUDE_KEYBOARD;EXCLUDE_FILECHOOSER;EXCLUDE_JAVAFILESTORAGE;INCLUDE_KEYTRANSFORM</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <ConsolePause>False</ConsolePause>
@@ -85,9 +85,6 @@
     <Reference Include="System.Core" />
     <Reference Include="Mono.Android" />
     <Reference Include="Mono.Android.Support.v4" />
-    <Reference Include="GooglePlayServicesFroyoLib">
-      <HintPath>..\Components\googleplayservicesfroyo-9.0\lib\android\GooglePlayServicesFroyoLib.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="addons\OtpKeyProv\EncodingUtil.cs" />
@@ -138,6 +135,7 @@
     <Compile Include="fileselect\FileSelectActivity.cs" />
     <Compile Include="fileselect\FileDbHelper.cs" />
     <Compile Include="search\SearchProvider.cs" />
+    <Compile Include="SelectStorageLocationActivity.cs" />
     <Compile Include="services\OngoingNotificationsService.cs" />
     <Compile Include="settings\DatabaseSettingsActivity.cs" />
     <Compile Include="intents\Intents.cs" />
@@ -832,12 +830,6 @@
   <ItemGroup>
     <AndroidResource Include="Resources\layout\text_with_help.xml" />
   </ItemGroup>
-  <ItemGroup>
-    <XamarinComponentReference Include="googleplayservicesfroyo">
-      <Version>9.0</Version>
-      <Visible>False</Visible>
-    </XamarinComponentReference>
-  </ItemGroup>
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\ic_storage_skydrive.png" />
   </ItemGroup>