Wie stoppe ich die Musik beim Schließen der App

Question

Ich habe ein Problem in meiner Anwendung. ist es ein Media Recorder Player. die Spieler funktionieren, aber das Problem ist, wenn ich ein Lied oder einen Recorder spielen ich die app (Exit) und die Musik nicht schließen aufhören zu spielen. können Sie mir helfen, mein Problem zu lösen? danke.

@Override 
    protected void onCreate (Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     requestWindowFeature(Window.FEATURE_NO_TITLE); 
     getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
       WindowManager.LayoutParams.FLAG_FULLSCREEN); 
     setContentView(R.layout.activity_player); 

     albumart=(ImageView)findViewById(R.id.albumArt); 
     name=(TextView)findViewById(R.id.songName); 
     artist=(TextView)findViewById(R.id.artistName); 
     play=(ImageButton)findViewById(R.id.playButton); 
     prev=(ImageButton)findViewById(R.id.previousButton); 
     next=(ImageButton)findViewById(R.id.nextButton); 
     playlist=(ImageButton)findViewById(R.id.playlistButton); 
     sb=(SeekBar)findViewById(R.id.seekBar); 

     if(mPlayer!=null){ 
      if(su!=null){ 
       su.endthread(); 
       su.interrupt(); 
       su=null; 
      } 
      mPlayer.stop(); 
      mPlayer.release(); 
     } 

     fs=new FetchSongs(); 
     if(fs.getfetchstatus()!=true){ 
      mySongs = fs.findSongs(Environment.getExternalStorageDirectory()); 
     } 
     else{ 
      mySongs=fs.getsonglist(); 
      mPlayer.release(); 
     } 

     Intent intent=getIntent(); 
     position=intent.getIntExtra("pos",0); 
     path=mySongs.get(position).toString(); 
     u=Uri.parse(path); 

     setsongdata(path,position); 
     mPlayer=MediaPlayer.create(getApplicationContext(),u); 
     mPlayer.start(); 
     mPlayer.setLooping(true); 
     play.setImageResource(R.drawable.icone); 

     sb.setMax(mPlayer.getDuration()); 
     su=new seekUpdater(true); 
     su.start(); 

     sb.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 

      @Override 
      public void onProgressChanged(SeekBar seekBar, int i, boolean b) { 

      } 

      @Override 
      public void onStartTrackingTouch(SeekBar seekBar) { 

      } 

      @Override 
      public void onStopTrackingTouch (SeekBar seekBar) { 
       mPlayer.stop(); 
       mPlayer.release(); 
      } 
     }); 

     play.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       if(mPlayer.isPlaying()){ 
        mPlayer.pause(); 
        play.setImageResource(R.drawable.icone); 
       } 
       else { 
        mPlayer.start(); 
        play.setImageResource(R.drawable.icone); 

       } 
      } 
     }); 

     next.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       if(su!=null){ 
        su.endthread(); 
        su.interrupt(); 
        su=null; 
       } 
       mPlayer.stop(); 
       mPlayer.release(); 
       position=(position+1)%mySongs.size(); 
       path=mySongs.get(position).toString(); 
       setsongdata(path,position); 
       u=Uri.parse(path); 
       mPlayer=MediaPlayer.create(getApplicationContext(),u); 
       mPlayer.start(); 
       mPlayer.setLooping(true); 
       play.setImageResource(R.drawable.icone); 
       sb.setMax(mPlayer.getDuration()); 
       sb.setProgress(mPlayer.getCurrentPosition()); 
       su=new seekUpdater(true); 
       su.start(); 
      } 
     }); 

     prev.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       if(su!=null){ 
        su.endthread(); 
        su.interrupt(); 
        su=null; 
       } 
       mPlayer.stop(); 
       mPlayer.release(); 
       position=(position-1<0)? mySongs.size()-1:position-1; 
       path=mySongs.get(position).toString(); 
       setsongdata(path,position); 
       u=Uri.parse(path); 
       mPlayer=MediaPlayer.create(getApplicationContext(),u); 
       mPlayer.start(); 
       mPlayer.setLooping(true); 
       play.setImageResource(R.drawable.icone); 
       sb.setMax(mPlayer.getDuration()); 
       sb.setProgress(mPlayer.getCurrentPosition()); 
       su=new seekUpdater(true); 
       su.start(); 
      } 
     }); 
     playlist.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       startActivity(new Intent(getApplicationContext(),MainActivity.class)); 
      } 
     }); 
    } 

    class seekUpdater extends Thread{ 

     private boolean running; 

     seekUpdater(boolean status){ 
      running=status; 
     } 

     public void endthread(){ 
      running=false; 
     } 

     @Override 
     public void run() { 
      try { 
       while (running==true) { 
        int dur = mPlayer.getDuration(); 
        int cur = mPlayer.getCurrentPosition(); 
        while (cur < dur) { 
          sleep(500); 
          cur = mPlayer.getCurrentPosition(); 
          sb.setProgress(cur); 
        } 
       } 
      } 
      catch (InterruptedException e){ 
       e.printStackTrace(); 

       running=false; 

      } 
      //super.run(); 
     } 
    } 

    public void setsongdata(String songpath, int pos){ 
     mmr=new MediaMetadataRetriever(); 
     mmr.setDataSource(songpath); 
     try { 
      songName=mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE); 
      art = mmr.getEmbeddedPicture(); 
      songArt = BitmapFactory.decodeByteArray(art, 0, art.length); 
      artistName = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST); 
      artist.setText(artistName); 
      name.setText(songName); 
      albumart.setImageBitmap(songArt); 
     } 
     catch (Exception e){ 
      albumart.setImageResource(R.drawable.albumart); 
      artist.setText("Unknown Artist"); 
      name.setText(mySongs.get(pos).getName().toString().replace(".3gp","")); 
     } 
    } 


} 

Answer 1

Keine Ahnung, was du tust, aber das sollte funktionieren

diese

mPlayer.stop(); 

Wie

@Override 
public void onPause() { 
    super.onPause(); 
    mPlayer.stop();   
} 

onPause in Ihrer hinzufügen heißt, jedes Mal Ihre Aktivität verliert Fokus .