updated JavaFileStorageBindings (added PrepareFileUsage method without UI)

deleted livesdk.jar, is now included in JavaFileStorage
added javafilestorage.jar, allows simpler build process

src/JavaFileStorageBindings/JavaFileStorageBindings.csproj

@@ -150,9 +150,6 @@
       <Link>Jars\jsr305-1.3.9.jar</Link>
     </EmbeddedReferenceJar>
   </ItemGroup>
-  <ItemGroup>
-    <EmbeddedReferenceJar Include="Jars\livesdk.jar" />
-  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.Bindings.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

src/JavaFileStorageBindings/Transforms/Metadata.xml

@@ -10,4 +10,5 @@
 	<remove-node path="/api/package[@name='com.jcraft.jsch.jce']" />
 	<remove-node path="/api/package[@name='com.jcraft.jsch.jcraft']" />
 	<remove-node path="/api/package[@name='com.jcraft.jzlib']" />
+	<remove-node path="/api/package[@name='com.microsoft.live']" />
 </metadata>

src/Kp2aBusinessLogic/Io/BuiltInFileStorage.cs

@@ -245,6 +245,11 @@ namespace keepass2android.Io
 			activity.OnImmediateResult(requestCode, (int) FileStorageResults.FileUsagePrepared, intent);
 		}
 
+		public void PrepareFileUsage(Context ctx, IOConnectionInfo ioc)
+		{
+			//nothing to do, we're ready to go
+		}
+
 		public void OnCreate(IFileStorageSetupActivity activity, Bundle savedInstanceState)
 		{
 			throw new NotImplementedException();

src/Kp2aBusinessLogic/Io/IFileStorage.cs

@@ -124,6 +124,14 @@ namespace keepass2android.Io
 		/// </summary>
 		void PrepareFileUsage(IFileStorageSetupInitiatorActivity activity, IOConnectionInfo ioc, int requestCode, bool alwaysReturnSuccess);
 
+		/// <summary>
+		/// Initiates the process for using a file in the given file storage.
+		/// This method either silently prepares using the file (if any preparation is required) or throws
+		/// UserInteractionRequiredException (or any other exception in case of an error). 
+		/// Can be used from a service, i.e. when no Activity is open.
+		/// </summary>
+		void PrepareFileUsage(Context ctx, IOConnectionInfo ioc);
+
 		//Setup methods: these are called from the setup activity so the file storage can handle UI events for authorization etc.
 		void OnCreate(IFileStorageSetupActivity activity, Bundle savedInstanceState);
 		void OnResume(IFileStorageSetupActivity activity);

src/Kp2aBusinessLogic/Io/JavaFileStorage.cs

@@ -244,6 +244,11 @@ namespace keepass2android.Io
 			_jfs.PrepareFileUsage((IJavaFileStorageFileStorageSetupInitiatorActivity)activity, IocToPath(ioc), requestCode, alwaysReturnSuccess);
 		}
 
+		public void PrepareFileUsage(Context ctx, IOConnectionInfo ioc)
+		{
+			_jfs.PrepareFileUsage(ctx, IocToPath(ioc));
+		}
+
 		public void OnCreate(IFileStorageSetupActivity activity, Bundle savedInstanceState)
 		{
 			_jfs.OnCreate(((IJavaFileStorageFileStorageSetupActivity)activity), savedInstanceState);