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POAsynctask Music not stopping when power button pressed
 

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    <p>In my application background music is controlled by an asynctask. When the home button is pressed the music shuts off. When the power button is pressed it just continues playing. I also realized if i press the power button then resume it it starts to copies of the song at the same time.</p> <pre><code>private single s; private BackgroundSound mBackgroundSound = new BackgroundSound(); protected void onPause(){ super.onPause(); Log.d("mSTATE","PAUSE"); s.onPause(); mBackgroundSound.cancel(true); } public void onBackPressed() { super.onBackPressed(); return; } protected void onDestroy(){ super.onDestroy(); Log.d("mState","DESTROY"); } public void onWindowFocusChanged(boolean change){ super.onWindowFocusChanged(change); } @Override protected void onResume(){ super.onResume(); mBackgroundSound = new BackgroundSound(); mBackgroundSound.execute(null); Log.d("mSTATE","RESUME"); s.onResume(); } @Override protected void onStop(){ super.onStop(); Log.d("mSTATE","STOP"); s.freeMemory(); mBackgroundSound.end(); } @Override protected void onRestart(){ super.onRestart(); Log.d("mSTATE","RESTART"); } @Override protected void onStart(){ super.onStart(); Log.d("mSTATE","STARTER"); } public class BackgroundSound extends AsyncTask&lt;Void, Void, Void&gt; { private MediaPlayer player; protected void onPreExecute() { player = MediaPlayer.create(SingleActivity.this, R.raw.song); } @Override protected Void doInBackground(Void... params) { player.setLooping(true); AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_RING); int maxRingerVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_RING); double proportion = currentVolume/(double)maxRingerVolume; int maxMusicVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC); int volume = (int)(proportion * maxMusicVolume); player.setVolume(volume,volume); player.setLooping(true); player.start(); return null; } public void end(){ player.stop(); player.release(); } } </code></pre>
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