Added service to handle playback.

AndroidManifest.xml

@@ -32,7 +32,9 @@
             
         </activity>
         
-  		<service android:name="org.teleal.cling.android.AndroidUpnpServiceImpl"/>
+  		<service android:name="org.teleal.cling.android.AndroidUpnpServiceImpl" />
+  		
+  		<service android:name="com.github.nutomic.controldlna.service.PlayService" />
         
     </application>    
 

res/values/strings.xml

@@ -9,5 +9,6 @@
     <string name="exit_renderer">Do you really want to exit the renderer? Playback will be stopped.</string>
     <string name="previous">Previous</string>
     <string name="next">Next</string>
+    <string name="select_renderer">Please select a renderer</string>
 
 </resources>

src/com/github/nutomic/controldlna/RendererFragment.java

@@ -16,21 +16,17 @@ import org.teleal.cling.model.meta.Service;
 import org.teleal.cling.model.state.StateVariableValue;
 import org.teleal.cling.model.types.ServiceType;
 import org.teleal.cling.support.avtransport.callback.GetPositionInfo;
-import org.teleal.cling.support.avtransport.callback.Play;
 import org.teleal.cling.support.avtransport.callback.Seek;
-import org.teleal.cling.support.avtransport.callback.SetAVTransportURI;
-import org.teleal.cling.support.avtransport.callback.Stop;
 import org.teleal.cling.support.avtransport.lastchange.AVTransportLastChangeParser;
 import org.teleal.cling.support.avtransport.lastchange.AVTransportVariable;
-import org.teleal.cling.support.contentdirectory.DIDLParser;
 import org.teleal.cling.support.lastchange.LastChange;
-import org.teleal.cling.support.model.DIDLContent;
 import org.teleal.cling.support.model.PositionInfo;
 import org.teleal.cling.support.model.SeekMode;
 import org.teleal.cling.support.model.item.Item;
 import org.teleal.cling.support.renderingcontrol.callback.GetVolume;
 import org.teleal.cling.support.renderingcontrol.callback.SetVolume;
 
+
 import android.app.AlertDialog;
 import android.content.ComponentName;
 import android.content.Context;
@@ -55,6 +51,8 @@ import android.widget.SeekBar.OnSeekBarChangeListener;
 import android.widget.Toast;
 
 import com.github.nutomic.controldlna.MainActivity.OnBackPressedListener;
+import com.github.nutomic.controldlna.service.PlayService;
+import com.github.nutomic.controldlna.service.PlayServiceBinder;
 
 /**
  * Shows a list of media servers, allowing to select one for playback.
@@ -76,15 +74,7 @@ public class RendererFragment extends Fragment implements
 	
 	private boolean mPlaying = false;
 	
-	private int mCurrentTrack;
+	private Device<?, ?, ?> mCurrentRenderer;
-	
-	/**
-	 * Used to determine when the player stops due to the media file being 
-	 * over (so the next one can be played).
-	 */
-	private boolean mManuallyStopped;
-	
-	private List<Item> mPlaylist;
 	
 	/**
 	 * ListView adapter of media renderers.
@@ -93,18 +83,22 @@ public class RendererFragment extends Fragment implements
 	
 	private FileArrayAdapter mPlaylistAdapter;
 	
-	/**
-	 * The media renderer that is currently active.
-	 */
-	private Device<?, ?, ?> mCurrentRenderer;
-	
-	/**
-	 * First track to be played when a renderer is selected (-1 for none).
-	 */
-	private int mCachedStart = -1;
-	
 	private SubscriptionCallback mSubscriptionCallback;
 
+	private PlayServiceBinder mPlayService;
+	
+	private ServiceConnection mPlayServiceConnection = new ServiceConnection() {
+
+		public void onServiceConnected(ComponentName className, IBinder service) {
+			Log.d(TAG, "test");
+			mPlayService = (PlayServiceBinder) service;
+        }
+
+        public void onServiceDisconnected(ComponentName className) {
+            mPlayService = null;
+        }
+    };
+	
 	/**
 	 * Cling UPNP service. 
 	 */
@@ -113,7 +107,7 @@ public class RendererFragment extends Fragment implements
     /**
      * Connection Cling to UPNP service.
      */
-    private ServiceConnection mServiceConnection= new ServiceConnection() {
+    private ServiceConnection mUpnpServiceConnection = new ServiceConnection() {
 
         @SuppressWarnings("unchecked")
 		public void onServiceConnected(ComponentName className, IBinder service) {
@@ -157,17 +151,29 @@ public class RendererFragment extends Fragment implements
     	getView().findViewById(R.id.previous).setOnClickListener(this);
     	getView().findViewById(R.id.next).setOnClickListener(this);
 
+    	getActivity().startService(new Intent(getActivity(), PlayService.class));
+        getActivity().getApplicationContext().bindService(
+            new Intent(getActivity(), PlayService.class),
+            mPlayServiceConnection,
+            Context.BIND_AUTO_CREATE
+        );
+
         getActivity().getApplicationContext().bindService(
             new Intent(getActivity(), AndroidUpnpServiceImpl.class),
-            mServiceConnection,
+            mUpnpServiceConnection,
             Context.BIND_AUTO_CREATE
         );
     }
     
+    /**
+     * Polls the renderer for the current play progress as long as 
+     * mPlaying is true.
+     */
     private void pollTimePosition() {
     	final Service<?, ?> service = mCurrentRenderer.findService(
     			new ServiceType("schemas-upnp-org", "AVTransport"));
-		mUpnpService.getControlPoint().execute(new GetPositionInfo(service) {
+		mUpnpService.getControlPoint().execute(
+				new GetPositionInfo(service) {
 			
 			@SuppressWarnings("rawtypes")
 			@Override
@@ -195,86 +201,69 @@ public class RendererFragment extends Fragment implements
 		}
     }
 
-    /**
-     * Clears cached playback URI.
-     */
-    @Override
-    public void onPause() {
-    	super.onPause();    	
-    	mCachedStart = -1;
-    }
-
     /**
      * Closes Cling UPNP service.
      */
     @Override
 	public void onDestroy() {
         super.onDestroy();
-        if (mUpnpService != null)
         mUpnpService.getRegistry().removeListener(mRendererAdapter);
-        getActivity().getApplicationContext().unbindService(mServiceConnection);
+        getActivity().getApplicationContext().unbindService(mUpnpServiceConnection);
+        getActivity().getApplicationContext().unbindService(mPlayServiceConnection);
     }
 	
     /**
-     * Sets the new playlist and starts playing it (if a renderer is selected).
+     * Sets the new playlist.
      */
 	public void setPlaylist(List<Item> playlist, int start) {
-		mPlaylist = playlist;
 		mPlaylistAdapter.clear();
 		mPlaylistAdapter.addAll(playlist);
-		playTrack(start);
+		mPlayService.getService().setPlaylist(playlist, start);
-	}
-	
-	/**
-	 * Plays the specified track in the current playlist, caches value if no 
-	 * renderer is selected.
-	 */
-	private void playTrack(int track) {
-		if (mCurrentRenderer != null) {
-			mListView.setAdapter(mPlaylistAdapter);
-			mCurrentTrack = track;
-	    	DIDLParser parser = new DIDLParser();
-			DIDLContent didl = new DIDLContent();
-			didl.addItem(mPlaylist.get(track));
-			String metadata;
-			try	{
-				metadata = parser.generate(didl, true);
-			}
-			catch (Exception e)	{
-				Log.w(TAG, "Metadata serialization failed", e);
-				metadata = "NO METADATA";
-			}
-	    	mUpnpService.getControlPoint().execute(new SetAVTransportURI(
-	    			getService("AVTransport"), 
-	    			mPlaylist.get(track).getFirstResource().getValue(), metadata) {
-				@SuppressWarnings("rawtypes")
-				@Override
-	            public void failure(ActionInvocation invocation, 
-	            		UpnpResponse operation, String defaultMsg) {
-	                Log.w(TAG, "Playback failed: " + defaultMsg);
-	            }
-	            
-				@SuppressWarnings("rawtypes")
-				@Override
-        		public void success(ActionInvocation invocation) {
-	    	    	play();
-        		}
-	        });
-		}
-		else {
-			Toast.makeText(getActivity(), "Please select a renderer.", 
-					Toast.LENGTH_SHORT).show();
-			mCachedStart = track;
-		}		
 	}
 	
 	/**
 	 * Selects a media renderer.
 	 */
 	@Override
-	public void onItemClick(AdapterView<?> a, View v, int position, long id) {
+	public void onItemClick(AdapterView<?> a, View v, final int position, long id) {
 		if (mListView.getAdapter() == mRendererAdapter) {
-			mCurrentRenderer = mRendererAdapter.getItem(position);
+			if (mCurrentRenderer != null &&
+					mCurrentRenderer != mRendererAdapter.getItem(position)) {
+				new AlertDialog.Builder(getActivity())
+						.setMessage(R.string.exit_renderer)
+						.setPositiveButton(android.R.string.yes, 
+						new DialogInterface.OnClickListener() {
+					
+									@Override
+									public void onClick(DialogInterface dialog, 
+											int which) {
+										mControls.setVisibility(View.VISIBLE);
+										selectRenderer(mRendererAdapter
+												.getItem(position));
+									}
+								})
+						.setNegativeButton(android.R.string.no, null)
+						.show();
+				
+			}
+			else {
+				mControls.setVisibility(View.VISIBLE);
+				selectRenderer(mRendererAdapter.getItem(position));
+			}
+		}
+		else if (mListView.getAdapter() == mPlaylistAdapter)
+			mPlayService.getService().playTrack(position);
+	}
+	
+	private void selectRenderer(Device<?, ?, ?> renderer) {
+		if (mCurrentRenderer != renderer) {		
+			if (mCurrentRenderer != null)
+				mPlayService.getService().pause();
+			if (mSubscriptionCallback != null)
+				mSubscriptionCallback.end();
+			
+			mCurrentRenderer = renderer;
+			mPlayService.getService().setRenderer(renderer);
 	    	mSubscriptionCallback = new SubscriptionCallback(
 	    			getService("AVTransport"), 600) {
 	
@@ -311,19 +300,13 @@ public class RendererFragment extends Fragment implements
 									pollTimePosition();
 							    	break;
 								case STOPPED:
-									if (!mManuallyStopped && 
+									// fallthrough
-											(mPlaylist.size() > mCurrentTrack + 1)) {
-										Log.d(TAG, "next");
-										mManuallyStopped = false;
-										playTrack(mCurrentTrack +1);
-										break;
-									}
 								case PAUSED_PLAYBACK:
-									mManuallyStopped = false;
 							    	mPlayPause.setText(R.string.play);
 									mPlaying = false;	
 							    	break;
 								default:
+									break;
 							    }
 								
 							} catch (Exception e) {
@@ -347,16 +330,8 @@ public class RendererFragment extends Fragment implements
 				}
 			};
 			mUpnpService.getControlPoint().execute(mSubscriptionCallback);
-			if (mCachedStart != -1) {
-				setPlaylist(mPlaylist, mCachedStart);
-				mCachedStart = -1;
 		}
-
 		mListView.setAdapter(mPlaylistAdapter);
-			mControls.setVisibility(View.VISIBLE);
-		}
-		else if (mListView.getAdapter() == mPlaylistAdapter)
-			playTrack(position);
 	}
 
 	/**
@@ -365,37 +340,13 @@ public class RendererFragment extends Fragment implements
 	@Override
 	public boolean onBackPressed() {
 		if (mListView.getAdapter() == mPlaylistAdapter) {
-			if (mPlaying) {
+			mControls.setVisibility(View.GONE);
-				new AlertDialog.Builder(getActivity())
+			mListView.setAdapter(mRendererAdapter);
-						.setMessage(R.string.exit_renderer)
-						.setPositiveButton(android.R.string.yes, 
-								new DialogInterface.OnClickListener() {
-							
-							@Override
-							public void onClick(DialogInterface dialog, 
-									int which) {
-								pause();
-								exitPlaylistMode();
-							}
-						})
-				    .setNegativeButton(android.R.string.no, null)
-				    .show();
-			}     
-			else 
-				exitPlaylistMode();
 	        return true;
 		}
 		return false;
 	}
 
-	private void exitPlaylistMode() {
-		mCurrentRenderer = null;
-		mSubscriptionCallback.end();
-		
-        mListView.setAdapter(mRendererAdapter);  
-        mControls.setVisibility(View.GONE);	
-	}
-
 	/**
 	 * Plays/pauses playback on button click.
 	 */
@@ -404,62 +355,19 @@ public class RendererFragment extends Fragment implements
 		switch (v.getId()) {
 		case R.id.playpause:
 			if (mPlaying)
-				pause();
+				mPlayService.getService().pause();
 			else
-				play();
+				mPlayService.getService().play();
 			break;
 		case R.id.previous:
-			if (mCurrentTrack != 0 && !mPlaylist.isEmpty())
+			mPlayService.getService().playPrevious();
-				playTrack(mCurrentTrack - 1);
 			break;
 		case R.id.next:
-			if (mPlaylist.size() > mCurrentTrack + 1)
+			mPlayService.getService().playNext();
-				playTrack(mCurrentTrack + 1);
 			break;
 		}		
 	}
 
-	/**
-	 * Sends 'pause' signal to current renderer.
-	 */
-	private void pause() {
-		mManuallyStopped = true;
-    	final Service<?, ?> service = getService("AVTransport");
-		mUpnpService.getControlPoint().execute(new Stop(service) {
-			
-			@SuppressWarnings("rawtypes")
-			@Override
-			public void failure(ActionInvocation invocation, 
-					UpnpResponse operation, String defaultMessage) {
-				Log.w(TAG, "Pause failed, trying stop: " + defaultMessage);
-				// Sometimes stop works even though pause does not.
-				mUpnpService.getControlPoint().execute(new Stop(service) {
-					
-					@Override
-					public void failure(ActionInvocation invocation, 
-							UpnpResponse operation, String defaultMessage) {
-						Log.w(TAG, "Stop failed: " + defaultMessage);
-					}
-				});		
-			}
-		});			
-	}
-	
-	/**
-	 * Sends 'play' signal to current renderer.
-	 */
-	private void play() {
-		mUpnpService.getControlPoint().execute(new Play(getService("AVTransport")) {
-			
-			@SuppressWarnings("rawtypes")
-			@Override
-			public void failure(ActionInvocation invocation, 
-					UpnpResponse operation, String defaultMessage) {
-				Log.w(TAG, "Play failed: " + defaultMessage);
-			}
-		});
-	}
-
 	/**
 	 * Sends manual seek on progress bar to renderer.
 	 */
@@ -496,10 +404,14 @@ public class RendererFragment extends Fragment implements
 	 */
 	@SuppressWarnings("rawtypes")
 	public void changeVolume(final boolean increase) {
-		if (mCurrentRenderer == null)
+		if (mCurrentRenderer == null) {
+			Toast.makeText(getActivity(), R.string.select_renderer, 
+					Toast.LENGTH_SHORT).show();
 			return;			
+		}
 		final Service<?, ?> service = getService("RenderingControl");
-    	mUpnpService.getControlPoint().execute(new GetVolume(service) {
+		mUpnpService.getControlPoint().execute(
+    			new GetVolume(service) {
 			
 			@Override
 			public void failure(ActionInvocation invocation, 
@@ -511,8 +423,8 @@ public class RendererFragment extends Fragment implements
 			public void received(ActionInvocation invocation, int volume) {
 				int newVolume = volume + ((increase) ? 4 : -4);
 				if (newVolume < 0) newVolume = 0;
-				mUpnpService.getControlPoint().execute(new SetVolume(service, 
+				mUpnpService.getControlPoint().execute(
-						newVolume) {
+						new SetVolume(service, newVolume) {
 					
 					@Override
 					public void failure(ActionInvocation invocation, 

src/com/github/nutomic/controldlna/ServerFragment.java

@@ -74,7 +74,7 @@ public class ServerFragment extends ListFragment implements OnBackPressedListene
     /**
      * Connection Cling to UPNP service.
      */
-    private ServiceConnection mServiceConnection= new ServiceConnection() {
+    private ServiceConnection mUpnpServiceConnection = new ServiceConnection() {
 
         @SuppressWarnings("unchecked")
 		public void onServiceConnected(ComponentName className, IBinder service) {
@@ -105,7 +105,7 @@ public class ServerFragment extends ListFragment implements OnBackPressedListene
 
         getActivity().getApplicationContext().bindService(
             new Intent(getActivity(), AndroidUpnpServiceImpl.class),
-            mServiceConnection,
+            mUpnpServiceConnection,
             Context.BIND_AUTO_CREATE
         );     
     }
@@ -118,7 +118,7 @@ public class ServerFragment extends ListFragment implements OnBackPressedListene
         super.onDestroy();
         if (mUpnpService != null)
             mUpnpService.getRegistry().removeListener(mServerAdapter);
-        getActivity().getApplicationContext().unbindService(mServiceConnection);
+        getActivity().getApplicationContext().unbindService(mUpnpServiceConnection);
     }
     
     /**

src/com/github/nutomic/controldlna/service/PlayService.java

@@ -0,0 +1,326 @@
+package com.github.nutomic.controldlna.service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.teleal.cling.android.AndroidUpnpService;
+import org.teleal.cling.android.AndroidUpnpServiceImpl;
+import org.teleal.cling.controlpoint.SubscriptionCallback;
+import org.teleal.cling.model.action.ActionInvocation;
+import org.teleal.cling.model.gena.CancelReason;
+import org.teleal.cling.model.gena.GENASubscription;
+import org.teleal.cling.model.message.UpnpResponse;
+import org.teleal.cling.model.meta.Device;
+import org.teleal.cling.model.state.StateVariableValue;
+import org.teleal.cling.model.types.ServiceType;
+import org.teleal.cling.support.avtransport.callback.Play;
+import org.teleal.cling.support.avtransport.callback.SetAVTransportURI;
+import org.teleal.cling.support.avtransport.callback.Stop;
+import org.teleal.cling.support.avtransport.lastchange.AVTransportLastChangeParser;
+import org.teleal.cling.support.avtransport.lastchange.AVTransportVariable;
+import org.teleal.cling.support.contentdirectory.DIDLParser;
+import org.teleal.cling.support.lastchange.LastChange;
+import org.teleal.cling.support.model.DIDLContent;
+import org.teleal.cling.support.model.item.Item;
+import org.teleal.cling.support.model.item.MusicTrack;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.support.v4.app.NotificationCompat;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.github.nutomic.controldlna.R;
+import com.github.nutomic.controldlna.RendererFragment;
+
+public class PlayService extends Service {
+
+	private static final String TAG = "PlayService";
+	
+	private static final int mNotificationId = 1;
+	
+	private final PlayServiceBinder mBinder = new PlayServiceBinder(this);
+	
+	/**
+	 * The DLNA media renderer device that is currently active.
+	 */
+	private Device<?, ?, ?> mRenderer;
+	
+	/**
+	 * Media items that should be played.
+	 */
+	private List<Item> mPlaylist = new ArrayList<Item>();
+	
+	/**
+	 * The track that is currently being played.
+	 */
+	private int mCurrentTrack;
+	
+	/**
+	 * True if a playlist was set with no renderer active.
+	 */
+	private boolean mWaitingForRenderer;
+	
+	/**
+	 * Used to determine when the player stops due to the media file being 
+	 * over (so the next one can be played).
+	 */
+	private AtomicBoolean mManuallyStopped = new AtomicBoolean(false);
+	
+	private org.teleal.cling.model.meta.Service<?, ?> mAvTransportService;
+	
+	/**
+	 * Cling UPNP service. 
+	 */
+    private AndroidUpnpService mUpnpService;
+
+    /**
+     * Connection Cling to UPNP service.
+     */
+    private ServiceConnection mUpnpServiceConnection = new ServiceConnection() {
+
+		public void onServiceConnected(ComponentName className, IBinder service) {
+            mUpnpService = (AndroidUpnpService) service;
+        }
+
+        public void onServiceDisconnected(ComponentName className) {
+            mUpnpService = null;
+        }
+    };
+
+	private SubscriptionCallback mSubscriptionCallback;
+	
+	
+	@Override
+	public void onCreate() {
+		super.onCreate();
+        getApplicationContext().bindService(
+            new Intent(this, AndroidUpnpServiceImpl.class),
+            mUpnpServiceConnection,
+            Context.BIND_AUTO_CREATE
+        );
+	}
+	
+	@Override
+	public IBinder onBind(Intent intent) {
+		Log.d(TAG, "test2");
+		return mBinder;
+	}
+	
+	/**
+	 * Sets current track in renderer to specified item in playlist, then 
+	 * starts playback.
+	 */
+	public void playTrack(int track) {
+		if (track < 0 || track >= mPlaylist.size())
+			return;
+		mCurrentTrack = track;
+    	DIDLParser parser = new DIDLParser();
+		DIDLContent didl = new DIDLContent();
+		didl.addItem(mPlaylist.get(track));
+		String metadata;
+		try	{
+			metadata = parser.generate(didl, true);
+		}
+		catch (Exception e)	{
+			Log.w(TAG, "Metadata serialization failed", e);
+			metadata = "NO METADATA";
+		}
+    	mUpnpService.getControlPoint().execute(new SetAVTransportURI(
+    			mAvTransportService, 
+    			mPlaylist.get(track).getFirstResource().getValue(), metadata) {
+			@SuppressWarnings("rawtypes")
+			@Override
+            public void failure(ActionInvocation invocation, 
+            		UpnpResponse operation, String defaultMsg) {
+                Log.w(TAG, "Playback failed: " + defaultMsg);
+            }
+            
+			@SuppressWarnings("rawtypes")
+			@Override
+    		public void success(ActionInvocation invocation) {
+    	    	play();
+    		}
+        });
+	}
+	
+	private void updateNotification() {
+		String title = "";
+		String artist = "";
+		if (mCurrentTrack < mPlaylist.size()) {
+			title = mPlaylist.get(mCurrentTrack).getTitle();
+			if (mPlaylist.get(mCurrentTrack) instanceof MusicTrack) {
+	        	MusicTrack track = (MusicTrack) mPlaylist.get(mCurrentTrack);
+	        	artist = track.getArtists()[0].getName();
+			}
+		}
+		Notification notification = new NotificationCompat.Builder(this)
+				.setSmallIcon(R.drawable.ic_launcher)
+				.setContentIntent(PendingIntent.getActivity(this, 0, 
+						new Intent(this, RendererFragment.class), 0))
+				.setContentTitle(title)
+				.setContentText(artist)
+				.build();
+		NotificationManager notificationManager =
+			    (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
+		notificationManager.notify(mNotificationId, notification);
+		notification.flags |= Notification.FLAG_ONGOING_EVENT;
+	}
+	
+	/**
+	 * Sends 'play' signal to current renderer.
+	 */
+	public void play() {
+		updateNotification();
+		mUpnpService.getControlPoint().execute(
+				new Play(mAvTransportService) {
+			
+			@SuppressWarnings("rawtypes")
+			@Override
+			public void failure(ActionInvocation invocation, 
+					UpnpResponse operation, String defaultMessage) {
+				Log.w(TAG, "Play failed: " + defaultMessage);
+			}
+		});
+	}
+	
+	/**
+	 * Sends 'pause' signal to current renderer.
+	 */
+	public void pause() {
+		mManuallyStopped.set(true);
+		mUpnpService.getControlPoint().execute(
+				new Stop(mAvTransportService) {
+			
+			@SuppressWarnings("rawtypes")
+			@Override
+			public void failure(ActionInvocation invocation, 
+					UpnpResponse operation, String defaultMessage) {
+				Log.w(TAG, "Pause failed, trying stop: " + defaultMessage);
+				// Sometimes stop works even though pause does not.
+				mUpnpService.getControlPoint().execute(
+						new Stop(mAvTransportService) {
+					
+					@Override
+					public void failure(ActionInvocation invocation, 
+							UpnpResponse operation, String defaultMessage) {
+						Log.w(TAG, "Stop failed: " + defaultMessage);
+					}
+				});		
+			}
+		});			
+	}
+	
+	public void setRenderer(Device<?, ?, ?> renderer) {
+		if (mSubscriptionCallback != null)
+			mSubscriptionCallback.end();
+		if (mRenderer != null)
+			pause();
+
+		mRenderer = renderer;
+		mAvTransportService = mRenderer.findService(
+    			new ServiceType("schemas-upnp-org", "AVTransport"));
+    	mSubscriptionCallback = new SubscriptionCallback(
+    			mAvTransportService, 600) {
+
+    		@SuppressWarnings("rawtypes")
+			@Override
+			protected void established(GENASubscription sub) {
+			}
+
+    		@SuppressWarnings("rawtypes")
+			@Override
+			protected void ended(GENASubscription sub, CancelReason reason,
+					UpnpResponse response) {			
+			}
+
+			@SuppressWarnings("rawtypes")
+			@Override
+			protected void eventReceived(final GENASubscription sub) {				
+				@SuppressWarnings("unchecked")
+				Map<String, StateVariableValue> m = sub.getCurrentValues();
+				try {
+					LastChange lastChange = new LastChange(
+							new AVTransportLastChangeParser(), 
+							m.get("LastChange").toString());
+					switch (lastChange.getEventedValue(0, 
+							AVTransportVariable.TransportState.class)
+									.getValue()) {
+					case PLAYING:
+				    	break;
+					case STOPPED:
+						if (!mManuallyStopped.get() && 
+								(mPlaylist.size() > mCurrentTrack + 1)) {
+							mManuallyStopped.set(false);
+							playTrack(mCurrentTrack +1);
+							break;
+						}
+						// fallthrough
+					case PAUSED_PLAYBACK:
+						NotificationManager notificationManager =
+					    (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
+								notificationManager.cancel(mNotificationId);
+						mManuallyStopped.set(false);
+				    	break;
+				    default:
+				    }
+					
+				} catch (Exception e) {
+					Log.w(TAG, "Failed to parse UPNP event", e);
+				}	
+			}
+
+			@SuppressWarnings("rawtypes")
+			@Override
+			protected void eventsMissed(GENASubscription sub, 
+					int numberOfMissedEvents) {	
+			}
+
+			@SuppressWarnings("rawtypes")
+			@Override
+			protected void failed(GENASubscription sub, UpnpResponse responseStatus,
+					Exception exception, String defaultMsg) {	
+				Log.d(TAG, defaultMsg);
+			}
+		};
+		mUpnpService.getControlPoint().execute(mSubscriptionCallback);
+		if (mWaitingForRenderer)
+			playTrack(mCurrentTrack);
+	}
+	
+	/**
+	 * Sets a new playlist and starts playing.
+	 * 
+	 * @param playlist The media files in the playlist.
+	 * @param first Index of the first file to play.
+	 */
+	public void setPlaylist(List<Item> playlist, int first) {
+		mPlaylist = playlist;
+		if (mRenderer == null) {
+			mWaitingForRenderer = true;
+			Toast.makeText(this, R.string.select_renderer, Toast.LENGTH_SHORT)
+					.show();
+			mCurrentTrack = first;
+		}
+		else 
+			playTrack(first);
+	}
+	
+	public void playNext() {
+		playTrack(mCurrentTrack + 1);
+	}
+	
+	public void playPrevious() {
+		playTrack(mCurrentTrack - 1);
+	}
+
+}

src/com/github/nutomic/controldlna/service/PlayServiceBinder.java

@@ -0,0 +1,16 @@
+package com.github.nutomic.controldlna.service;
+
+import android.os.Binder;
+
+public class PlayServiceBinder extends Binder {
+	
+	PlayService mService;
+	
+	public PlayServiceBinder(PlayService service) {
+		mService = service;
+	}
+	
+	public PlayService getService() {
+        return mService;
+    }
+}