Android SeekBar to control MediaPlayer progress

Question

I have a SeekBar, it displays correctly MediaPlayer progress. However, I have troubles with seeking - if I seek scroll box somewhere it just returns on the position where audio file is playing.

public class EntityPageActivity extends Activity implements Runnable, OnClickListener, OnSeekBarChangeListener{     private SeekBar seekBar;     private Button startMedia;     private Button pauseMedia;     private MediaPlayer mp;      @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.entity_page);                       AudioControl();               }      public void AudioControl(){         seekBar = (SeekBar) findViewById(R.id.seekBar);         startMedia = (Button) findViewById(R.id.play);         pauseMedia = (Button) findViewById(R.id.pause);         startMedia.setOnClickListener(this);         pauseMedia.setOnClickListener(this);      }      public void run() {         int currentPosition= 0;         int total = mp.getDuration();         while (mp!=null && currentPosition<total) {             try {                 Thread.sleep(1000);                 currentPosition= mp.getCurrentPosition();             } catch (InterruptedException e) {                 return;             } catch (Exception e) {                 return;             }                         seekBar.setProgress(currentPosition);         }     }      public void onClick(View v) {         if (v.equals(startMedia)) {             if (mp != null && mp.isPlaying()) return;             if(seekBar.getProgress() > 0) {                 mp.start();                 return;             }             mp = MediaPlayer.create(EntityPageActivity.this, R.raw.gl1);             mp.start();                                  seekBar.setProgress(0);             seekBar.setMax(mp.getDuration());             new Thread(this).start();         }          if (v.equals(pauseMedia) && mp!=null) {             mp.pause();         }             }      public void onStartTrackingTouch(SeekBar seekBar) {     }      public void onStopTrackingTouch(SeekBar seekBar) {     }      public void onProgressChanged(SeekBar seekBar, int progress,             boolean fromUser) {         if(fromUser) mp.seekTo(progress);      } } 

Thus, onProgressChanged isn't enough to allow SeekBar to control MediaPlayer?

What should I add/correct to allow seeking?

Thanks

UPDATE

I found out that onProgressChanged is never invoked by some reason. However I can't figure out why

Answer 1

The problem is seekBar.setOnSeekBarChangeListener(this); So put it in Your AudioControl() Method..... You dont set oncheckchangedlistner to your seekbar....