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POCan't stop media player after entering app from a notification
 

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    <p>I have an alarm clock app that plays music when the alarm goes off. This is my first Android app.I can display a button and stop the music when I am in the app. However, I have enabled a notification and would like to stop the music when the user clicks on the notification. I return to the application from the notification, but I can not stop the music. The button that I had displayed does not show when I return to the app from the notification unless I hit the back key. If I hit the back button the button shows up. I have reviewed several of the Media Player examples and the notification example, but none seem to have my problem. I understand how to stop the music if I could return to the proper location. Does the notification manager return a flag I could check? I have spent a lot of time on this and can't come up with a good solution. Also, my notification icon is extremely small. How can I enlarge it?</p> <p>Here is my code:</p> <pre><code> public void setAlarmPlaySong() { BroadcastReceiver receiver = new BroadcastReceiver() { @Override public void onReceive( Context context, Intent _ ) { stopPlaying(); // Set up for playing the song selected switch(mPos) { case 0: // Play song - mPlayer = MediaPlayer.create(SetAlarmActivity.this, R.raw.calmyourstorm); mPlayer.start(); break; case 1: // Play song - //mPlayer = MediaPlayer.create(SetAlarmActivity.this, R.raw.gowiththeflow); //mPlayer.start(); break; case 2: // Play song - mPlayer = MediaPlayer.create(SetAlarmActivity.this, R.raw.freeyourmind); mPlayer.start(); break; case 3: // Play song - break; case 4: // Play song - break; } // end switch context.unregisterReceiver( this ); // this == BroadcastReceiver, not Activity showStopAlarmButton(); } // end on Receive }; // //Intent intent = new Intent(getApplicationContext(), SetAlarmActivity.class); createNotification(); //Create alarm manager AlarmManager manager = (AlarmManager)(this.getSystemService( Context.ALARM_SERVICE )); this.registerReceiver( receiver, new IntentFilter("STOP_MUSIC") ); PendingIntent sender = PendingIntent.getBroadcast( this, 0, new Intent("STOP_MUSIC"), 0 ); //PendingIntent sender = PendingIntent.getBroadcast( this, 0, intent, 0 ); //set the timer as a RTC Wakeup to alarm manager object manager.set( AlarmManager.RTC_WAKEUP, calSet.getTimeInMillis(), sender ); } </code></pre> <p>Here is createNotification</p> <pre><code>public void createNotification() { // Create the notification that will display when the app is // closed. Context ctx = getApplicationContext(); // The intent that is triggered if the notification // is trigger Intent notificationIntent = new Intent(ctx, MainActivity.class); PendingIntent contentIntent = PendingIntent.getActivity(ctx, YOUR_PI_REQ_CODE, notificationIntent, PendingIntent.FLAG_CANCEL_CURRENT); NotificationManager nm = (NotificationManager) ctx .getSystemService(Context.NOTIFICATION_SERVICE); //Resources res = ctx.getResources(); // Build notification Notification.Builder builder = new Notification.Builder(ctx); builder.setContentIntent(contentIntent) .setSmallIcon(R.drawable.beasleybackground2) //.setTicker(res.getString(R.string.your_ticker)) //.setWhen(System.currentTimeMillis()) .setAutoCancel(true) .setContentTitle("Jazz Alarm") .setContentText("Good Morning!"); //.setContentTitle(res.getString(R.string.your_notif_title)) //.setContentText(res.getString(R.string.your_notif_text)); Notification n = builder.build(); // Hide the notification after its selected n.flags |= Notification.FLAG_AUTO_CANCEL; nm.notify(YOUR_NOTIF_ID, n); } // createNotification </code></pre> <p>Here is showStopAlarmButton</p> <pre><code> public void showStopAlarmButton() { final Button alarmOffButton = (Button) findViewById(R.id.btn_alarmOff); alarmOffButton.setVisibility(View.VISIBLE); alarmOffButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //When button is clicked stop the alarm and hide the button //when play is clicked show stop button and hide play button alarmOffButton.setVisibility(View.GONE); // Cancel song stopPlaying(); } }); } </code></pre>
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