public class ExampleAppWidgetProvider extends AppWidgetProvider {

    private static final String TAG = "ExampleAppWidgetProvider";
    private String playAction = "playService";
    private String stopAction = "stopService";
    private String resetAction = "resetService";

    @Override
    public void onReceive(Context context, Intent intent) {
    	String action = intent.getAction();
    	Log.v(TAG, "Action received = " + action);
    	super.onReceive(context, intent);
    }
    
    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget_provider_layout);
        views.setOnClickPendingIntent(R.id.widget_play, this.getPendingSelfIntent(context, playAction));
        views.setOnClickPendingIntent(R.id.widget_pause, this.getPendingSelfIntent(context, stopAction));
        views.setOnClickPendingIntent(R.id.widget_reset, this.getPendingSelfIntent(context, resetAction));

        appWidgetManager.updateAppWidget(new ComponentName(context, ExampleAppWidgetProvider.class), views);
    }
    
    protected PendingIntent getPendingSelfIntent(Context context, String action) {
        Intent intent = new Intent(context, ExampleAppWidgetProvider.class);
        intent.setAction(action);
        return PendingIntent.getBroadcast(context, 0, intent, 0);
    }
}