From 1bac71996114202db156134bf9fce67588888fa4 Mon Sep 17 00:00:00 2001
From: Christopher Eby <kreed@kreed.org>
Date: Tue, 11 Oct 2011 19:24:00 -0500
Subject: [PATCH] Add BackupManager support

---
 AndroidManifest.xml                           |  6 ++-
 src/org/kreed/vanilla/PlaybackService.java    |  5 +++
 .../kreed/vanilla/PreferencesBackupAgent.java | 41 +++++++++++++++++++
 3 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 src/org/kreed/vanilla/PreferencesBackupAgent.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index cfa11213..1a638ae8 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -27,7 +27,8 @@ THE SOFTWARE.
 	android:installLocation="auto">
 	<application
 		android:icon="@drawable/icon"
-		android:label="@string/app_name">
+		android:label="@string/app_name"
+		android:backupAgent="PreferencesBackupAgent">
 		<activity
 			android:name="LaunchActivity"
 			android:theme="@style/NoBackground">
@@ -94,6 +95,9 @@ THE SOFTWARE.
 			</intent-filter>
 		</service>
 		<activity android:name="PreferencesActivity" />
+		<meta-data
+			android:name="com.google.android.backup.api_key"
+			android:value="AEdPqrEAAAAIH6Xcxa4hn6sHN1m4jMpi4MFFFMP5sv3XhFuWeA" />
 	</application>
 	<uses-sdk android:minSdkVersion="5" android:targetSdkVersion="10" />
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
diff --git a/src/org/kreed/vanilla/PlaybackService.java b/src/org/kreed/vanilla/PlaybackService.java
index 7bfb769a..f7042b27 100644
--- a/src/org/kreed/vanilla/PlaybackService.java
+++ b/src/org/kreed/vanilla/PlaybackService.java
@@ -24,6 +24,7 @@ package org.kreed.vanilla;
 
 import android.app.NotificationManager;
 import android.app.Service;
+import android.app.backup.BackupManager;
 import android.appwidget.AppWidgetManager;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
@@ -35,6 +36,7 @@ import android.database.ContentObserver;
 import android.database.Cursor;
 import android.media.AudioManager;
 import android.media.MediaPlayer;
+import android.os.Build;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
@@ -414,6 +416,9 @@ public final class PlaybackService extends Service implements Handler.Callback,
 		} else if ("headset_play".equals(key)) {
 			mHeadsetPlay = settings.getBoolean(key, false);
 		}
+
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO)
+			new BackupManager(this).dataChanged();
 	}
 
 	/**
diff --git a/src/org/kreed/vanilla/PreferencesBackupAgent.java b/src/org/kreed/vanilla/PreferencesBackupAgent.java
new file mode 100644
index 00000000..6e644340
--- /dev/null
+++ b/src/org/kreed/vanilla/PreferencesBackupAgent.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2011 Christopher Eby <kreed@kreed.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.kreed.vanilla;
+
+import android.app.backup.BackupAgentHelper;
+import android.app.backup.SharedPreferencesBackupHelper;
+
+/**
+ * Saves application preferences to the backup manager.
+ */
+public class PreferencesBackupAgent extends BackupAgentHelper {
+	private static final String BACKUP_KEY = "prefs";
+
+	@Override
+	public void onCreate()
+	{
+		// This is the preference name used by PreferenceManager.getDefaultSharedPreferences
+		String prefs = getPackageName() + "_preferences";
+		addHelper(BACKUP_KEY, new SharedPreferencesBackupHelper(this, prefs));
+	}
+}