It is a bad idea to call System.exit(1). Do you need all songs to play at
once?
On Saturday, March 9, 2013 1:25:51 PM UTC-5, Dharmendra Deshmukh wrote:
>
> This is Application Code I am Posting here..
>
>
>
>
>
> public class MulitrackmixtureActivity extends Activity {
> /** Called when the activity is first created. */
> public Button play, pause, rew;
> public MediaPlayer mediaPlayer, mediaPlayer2, mediaPlayer3, mediaPlayer4,
> mediaPlayer5, mediaPlayer6;
> SeekBar seek, trk1vol, trk2vol, trk3vol, trk4vol, trk5vol, trk6vol;
> AudioManager audioManager;
> private final Handler handler = new Handler();
>
> public static final int S1 = R.raw.track1a;
> public static final int S2 = R.raw.track2a;
> public static final int S3 = R.raw.track3a;
> public static final int S4 = R.raw.track4a;
> public static final int S5 = R.raw.track5a;
> public static final int S6 = R.raw.track6a;
>
>
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
>
> seek = (SeekBar) findViewById(R.id.seekBar1);
> play = (Button) findViewById(R.id.play_btn);
> pause = (Button) findViewById(R.id.pause_btn);
> rew = (Button) findViewById(R.id.rew_btn);
>
> mediaPlayer = new MediaPlayer();
> mediaPlayer = MediaPlayer.create(this, S1);
>
> mediaPlayer2 = new MediaPlayer();
> mediaPlayer2 = MediaPlayer.create(this, S2);
>
> mediaPlayer3 = new MediaPlayer();
> mediaPlayer3 = MediaPlayer.create(this, S3);
>
> mediaPlayer4 = new MediaPlayer();
> mediaPlayer4 = MediaPlayer.create(this, S4);
>
> mediaPlayer5 = new MediaPlayer();
> mediaPlayer5 = MediaPlayer.create(this, S5);
>
> mediaPlayer6 = new MediaPlayer();
> mediaPlayer6 = MediaPlayer.create(this, S6);
>
> audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
>
> int maxVolume = audioManager
> .getStreamMaxVolume(AudioManager.STREAM_MUSIC);
> int curVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
>
> trk1vol = (SeekBar) findViewById(R.id.seekBar2);
> trk2vol = (SeekBar) findViewById(R.id.seekBar3);
> trk3vol = (SeekBar) findViewById(R.id.seekBar4);
> trk4vol = (SeekBar) findViewById(R.id.seekBar5);
> trk5vol = (SeekBar) findViewById(R.id.seekBar6);
> trk6vol = (SeekBar) findViewById(R.id.seekBar7);
>
> trk1vol.setMax(maxVolume);
> trk2vol.setMax(maxVolume);
> trk3vol.setMax(maxVolume);
> trk4vol.setMax(maxVolume);
> trk5vol.setMax(maxVolume);
> trk6vol.setMax(maxVolume);
>
> trk1vol.setProgress(curVolume);
> trk2vol.setProgress(curVolume);
> trk3vol.setProgress(curVolume);
> trk4vol.setProgress(curVolume);
> trk5vol.setProgress(curVolume);
> trk6vol.setProgress(curVolume);
>
> trk1vol.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
>
> public void onStopTrackingTouch(SeekBar seekBar) {
>
> }
>
> public void onStartTrackingTouch(SeekBar arg0) {
>
> }
>
> public void onProgressChanged(SeekBar seekBar, int progress,
> boolean arg2) {
> try {
> if (seekBar.equals(trk1vol)) {
>
> mediaPlayer.setVolume((progress / 10.0f),
> (progress / 10.0f));
> }
> } catch (Exception e) {
> // TODO: handle exception
> }
> }
> });
>
> trk2vol.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
>
> public void onStopTrackingTouch(SeekBar seekBar) {
>
> }
>
> public void onStartTrackingTouch(SeekBar arg0) {
>
> }
>
> public void onProgressChanged(SeekBar seekBar, int progress,
> boolean arg2) {
> try {
> if (seekBar.equals(trk2vol)) {
>
> mediaPlayer2.setVolume((progress / 10.0f),
> (progress / 10.0f));
> }
> } catch (Exception e) {
> // TODO: handle exception
> }
> }
> });
>
> trk3vol.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
>
> public void onStopTrackingTouch(SeekBar seekBar) {
>
> }
>
> public void onStartTrackingTouch(SeekBar arg0) {
>
> }
>
> public void onProgressChanged(SeekBar seekBar, int progress,
> boolean arg2) {
> try {
> if (seekBar.equals(trk3vol)) {
>
> mediaPlayer3.setVolume((progress / 10.0f),
> (progress / 10.0f));
> }
> } catch (Exception e) {
> // TODO: handle exception
> }
> }
> });
>
> trk4vol.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
>
> public void onStopTrackingTouch(SeekBar seekBar) {
>
> }
>
> public void onStartTrackingTouch(SeekBar arg0) {
>
> }
>
> public void onProgressChanged(SeekBar seekBar, int progress,
> boolean arg2) {
> try {
> if (seekBar.equals(trk4vol)) {
>
> mediaPlayer4.setVolume((progress / 10.0f),
> (progress / 10.0f));
> }
> } catch (Exception e) {
> // TODO: handle exception
> }
> }
> });
>
> trk5vol.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
>
> public void onStopTrackingTouch(SeekBar seekBar) {
>
> }
>
> public void onStartTrackingTouch(SeekBar arg0) {
>
> }
>
> public void onProgressChanged(SeekBar seekBar, int progress,
> boolean arg2) {
> try {
> if (seekBar.equals(trk5vol)) {
>
> mediaPlayer5.setVolume((progress / 10.0f),
> (progress / 10.0f));
> }
> } catch (Exception e) {
> // TODO: handle exception
> }
> }
> });
>
> trk6vol.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
>
> public void onStopTrackingTouch(SeekBar seekBar) {
>
> }
>
> public void onStartTrackingTouch(SeekBar arg0) {
>
> }
>
> public void onProgressChanged(SeekBar seekBar, int progress,
> boolean arg2) {
> try {
> if (seekBar.equals(trk6vol)) {
>
> mediaPlayer6.setVolume((progress / 10.0f),
> (progress / 10.0f));
> }
> } catch (Exception e) {
> // TODO: handle exception
> }
> }
> });
>
> seek.setMax(mediaPlayer.getDuration());
>
> seek.setOnTouchListener(new OnTouchListener() {
> public boolean onTouch(View v, MotionEvent event) {
> seekChange(v);
> return false;
> }
> });
>
> play.setOnClickListener(new View.OnClickListener() {
>
> public void onClick(View arg0) {
> // check for already playing
> try {
>
> if (mediaPlayer.isPlaying()
> || mediaPlayer2.isPlaying()
> || mediaPlayer3.isPlaying()
> || mediaPlayer4.isPlaying()
> || mediaPlayer5.isPlaying()
> || mediaPlayer6.isPlaying()) {
> if (mediaPlayer != null
> && mediaPlayer2 != null
> && mediaPlayer3 != null
> && mediaPlayer4 != null
> && mediaPlayer5 != null
> && mediaPlayer6 != null) {
> int position = mediaPlayer.getCurrentPosition();
> int position2 = mediaPlayer2.getCurrentPosition();
> int position3 = mediaPlayer3.getCurrentPosition();
> int position4 = mediaPlayer4.getCurrentPosition();
> int position5 = mediaPlayer5.getCurrentPosition();
> int position6 = mediaPlayer6.getCurrentPosition();
> mediaPlayer.pause();
> mediaPlayer.seekTo(position);
> mediaPlayer2.pause();
> mediaPlayer2.seekTo(position2);
> mediaPlayer3.pause();
> mediaPlayer3.seekTo(position3);
> mediaPlayer4.pause();
> mediaPlayer4.seekTo(position4);
> mediaPlayer5.pause();
> mediaPlayer5.seekTo(position5);
> mediaPlayer6.pause();
> mediaPlayer6.seekTo(position6);
>
> }
> } else {
> // Resume song
> // if (mediaPlayer != null
> // && mediaPlayer2 != null
> // && mediaPlayer3 != null
> // && mediaPlayer4 != null
> // && mediaPlayer5 != null
> // && mediaPlayer6 != null) {
> mediaPlayer.start();
> mediaPlayer2.start();
> mediaPlayer3.start();
> mediaPlayer4.start();
> mediaPlayer5.start();
> mediaPlayer6.start();
>
> // Changing button image to pause button
>
> startPlayProgressUpdater();
> // }
>
> }
>
> } catch (Exception e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
> }
> });
>
> }
>
> public void startPlayProgressUpdater() {
> seek.setProgress(mediaPlayer.getCurrentPosition());
>
> if (mediaPlayer.isPlaying()
> || mediaPlayer2.isPlaying()
> || mediaPlayer3.isPlaying()
> || mediaPlayer4.isPlaying()
> || mediaPlayer5.isPlaying()
> || mediaPlayer6.isPlaying()) {
> Runnable notification = new Runnable() {
> public void run() {
> startPlayProgressUpdater();
> }
> };
> handler.postDelayed(notification, 50);
> } else {
> mediaPlayer.pause();
> mediaPlayer2.pause();
> mediaPlayer3.pause();
> mediaPlayer4.pause();
> mediaPlayer5.pause();
> mediaPlayer6.pause();
>
> seek.setProgress(mediaPlayer.getCurrentPosition());
> }
> }
>
> private void seekChange(View v) {
> if (mediaPlayer.isPlaying() || mediaPlayer2.isPlaying()
> || mediaPlayer3.isPlaying() || mediaPlayer4.isPlaying()
> || mediaPlayer5.isPlaying() || mediaPlayer6.isPlaying()) {
> // SeekBar sb = (SeekBar) v;
> mediaPlayer.seekTo(seek.getProgress());
> mediaPlayer2.seekTo(seek.getProgress());
> mediaPlayer3.seekTo(seek.getProgress());
> mediaPlayer4.seekTo(seek.getProgress());
> mediaPlayer5.seekTo(seek.getProgress());
> mediaPlayer6.seekTo(seek.getProgress());
> }
> }
>
> public void onBackPressed() {
> try {
> System.exit(1);
>
> mediaPlayer.release();
> mediaPlayer2.release();
> mediaPlayer3.release();
> mediaPlayer4.release();
> mediaPlayer5.release();
> mediaPlayer6.release();
>
> } catch (Exception e) {
> e.printStackTrace();
> }
> super.onBackPressed();
> }
> }
>
>
>
>
>
>
>
> problume on Application----
>
>
>
>
> this an music mixture
>
> i will 12 trracks to be play
>
> right now i have 6tracks ke saath.
>
> They are working .but problume is when i click play button all media track
> play different miliseconds.
>
> If i drag seek bar then difference will be end but i pause and then play
> again same problume
>
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