Working PAUSEPLAY/FORWARD/REVERSE hardware keys integration

AndroidManifest.xml

@@ -105,6 +105,11 @@
                 android:resource="@xml/app_widget_remote" 
                 />
         </receiver>
+        <receiver android:name=".business.receiver.RemoteControlReceiver">
+            <intent-filter>
+                <action android:name="android.intent.action.MEDIA_BUTTON" />
+            </intent-filter>
+        </receiver>
 
 		<provider android:name=".business.provider.HostProvider" android:authorities="org.xbmc.android.provider.remote" />
 

src/org/xbmc/android/remote/business/receiver/RemoteControlReceiver.java

@@ -0,0 +1,89 @@
+/*
+ *      Copyright (C) 2005-2011 Team XBMC
+ *      http://xbmc.org
+ *
+ *  This Program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This Program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with XBMC Remote; see the file license.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *  http://www.gnu.org/copyleft/gpl.html
+ *
+ */
+
+package org.xbmc.android.remote.business.receiver;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.view.KeyEvent;
+
+import org.xbmc.android.remote.business.Command;
+import org.xbmc.android.remote.business.ManagerFactory;
+import org.xbmc.android.remote.presentation.controller.RemoteController;
+import org.xbmc.api.business.IEventClientManager;
+import org.xbmc.api.business.INotifiableManager;
+import org.xbmc.api.presentation.INotifiableController;
+import org.xbmc.eventclient.ButtonCodes;
+
+/**
+ * @author John Pulford
+ */
+public class RemoteControlReceiver extends BroadcastReceiver implements INotifiableController {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        IEventClientManager mEventClientManager = ManagerFactory.getEventClientManager(this);
+
+        if (Intent.ACTION_MEDIA_BUTTON.equals(intent.getAction())) {
+            String keyPressAction = "";
+            KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
+            if (KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE == event.getKeyCode()) {
+                // Handle key press.
+                keyPressAction = ButtonCodes.REMOTE_PLAY;
+            }
+            if (KeyEvent.KEYCODE_MEDIA_PREVIOUS == event.getKeyCode()) {
+                // Handle key press.
+                keyPressAction = ButtonCodes.REMOTE_REVERSE;
+            }
+            if (KeyEvent.KEYCODE_MEDIA_NEXT == event.getKeyCode()) {
+                // Handle key press.
+                keyPressAction = ButtonCodes.REMOTE_FORWARD;
+            }
+            if (keyPressAction.length() > 0) {
+                mEventClientManager.sendButton("R1", keyPressAction, false, true, true, (short)0, (byte)0);
+            }
+        }
+    }
+
+
+    // Not convinced these methods need to do anything in this instance
+    // but someone with a longer history with the project may have a better idea.
+    @Override
+    public void onWrongConnectionState(int state, INotifiableManager manager, Command<?> source) {
+
+    }
+
+    @Override
+    public void onError(Exception e) {
+
+    }
+
+    @Override
+    public void onMessage(String message) {
+
+    }
+
+    @Override
+    public void runOnUI(Runnable action) {
+
+    }
+}

src/org/xbmc/android/remote/presentation/activity/HomeActivity.java

@@ -25,6 +25,7 @@
 import org.xbmc.android.remote.business.CacheManager;
 import org.xbmc.android.remote.business.ManagerFactory;
 import org.xbmc.android.remote.business.receiver.AndroidBroadcastReceiver;
+import org.xbmc.android.remote.business.receiver.RemoteControlReceiver;
 import org.xbmc.android.remote.presentation.controller.HomeController;
 import org.xbmc.android.remote.presentation.controller.HomeController.ProgressThread;
 import org.xbmc.android.remote.presentation.notification.NowPlayingNotificationManager;
@@ -38,10 +39,13 @@
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.ProgressDialog;
+import android.content.ComponentName;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.IntentFilter;
 import android.content.DialogInterface.OnCancelListener;
 import android.content.Intent;
+import android.media.AudioManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
@@ -85,7 +89,8 @@ public class HomeActivity extends Activity {
 
 	private ProgressThread mProgressThread;
     private ProgressDialog mProgressDialog;
-
+
+    private AudioManager mAudioManager;
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
@@ -121,8 +126,15 @@ public void onClick(View v) {
         IntentFilter filter = new IntentFilter();
         filter.addAction(Intent.ACTION_SCREEN_OFF);
         filter.addAction(Intent.ACTION_SCREEN_ON);
-
+        //Register Receivers
         registerReceiver(new AndroidBroadcastReceiver(), filter);
+
+        //Register for hardware media keys, if possible.
+        mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
+        if (Build.VERSION.SDK_INT >= 8) {
+            // Start listening for button presses
+            mAudioManager.registerMediaButtonEventReceiver(new ComponentName(getPackageName(), RemoteControlReceiver.class.getName()));
+        }
 	}
 
 
@@ -262,7 +274,14 @@ protected void onPause() {
 		mConfigurationManager.onActivityPause();
 		mEventClientManager.setController(null);
 	}
-
+
+    @Override
+    protected void onDestroy() {
+        if (Build.VERSION.SDK_INT >= 8) {
+            // Stop listening for button presses
+            mAudioManager.registerMediaButtonEventReceiver(new ComponentName(getPackageName(), RemoteControlReceiver.class.getName()));
+        }
+    }
 
 	@Override
 	public boolean onKeyDown(int keyCode, KeyEvent event) {