Mediaplayer progress update to seekbar not smooth? Mediaplayer progress update to seekbar not smooth? android android

Mediaplayer progress update to seekbar not smooth?


mMediaPlayer.getCurrentPosition() Return current Time in millisecond and you are updating this to Seekbar which maximum capacity is 100. Make one formula to with length of file and 100. try this function

    MediaPlayer mMediaPlayer = new MediaPlayer();    final SeekBar mSeelBar = new SeekBar(this);    final int duration = mMediaPlayer.getDuration();    final int amoungToupdate = duration / 100;    Timer mTimer = new Timer();    mTimer.schedule(new TimerTask() {        @Override        public void run() {            runOnUiThread(new Runnable() {                @Override                public void run() {                    if (!(amoungToupdate * mSeelBar.getProgress() >= duration)) {                        int p = mSeelBar.getProgress();                        p += 1;                        mSeelBar.setProgress(p);                    }                }            });        };    }, amoungToupdate);

And this process should be called when Media player start playing. inside

    mediaPlayer.setOnPreparedListener(new OnPreparedListener(){        @Override        public void onPrepared(MediaPlayer mp) {        **// call here**        }    });

Update

Update 125 times in seconds is not something you should do. Please increase your interval for updating SeekBar. I adding this after reading comments of NullPointer


seekbar.setProgress() only accepts int. Hence, most of us tend to pass the elapsed percentage to this method. However, if you need much smoother progression, then you can use the duration in milliseconds as the MAX. Then we get to update the progression of the seekbar every millisecond. Below is an example and I have updated it every 15th millisecond as almost every android phone comes with a refresh rate of 60 fps (frames per second).

    try{        mediaPlayer.start();        seekbar.setProgress(0);        seekbar.setMax(mediaPlayer.getDuration());        // Updating progress bar        seekHandler.postDelayed(updateSeekBar, 15);    } catch (IllegalArgumentException e) {        e.printStackTrace();    } catch (IllegalStateException e) {        e.printStackTrace();    }/** * Background Runnable thread * */private Runnable updateSeekBar = new Runnable() {    public void run() {        long totalDuration = mediaPlayer.getDuration();        long currentDuration = mediaPlayer.getCurrentPosition();        // Displaying Total Duration time        remaining.setText(""+ milliSecondsToTimer(totalDuration-currentDuration));        // Displaying time completed playing        elapsed.setText(""+ milliSecondsToTimer(currentDuration));        // Updating progress bar        seekbar.setProgress((int)currentDuration);        // Call this thread again after 15 milliseconds => ~ 1000/60fps        seekHandler.postDelayed(this, 15);    }};/** * Function to convert milliseconds time to * Timer Format * Hours:Minutes:Seconds * */public String milliSecondsToTimer(long milliseconds){    String finalTimerString = "";    String secondsString = "";    // Convert total duration into time    int hours = (int)( milliseconds / (1000*60*60));    int minutes = (int)(milliseconds % (1000*60*60)) / (1000*60);    int seconds = (int) ((milliseconds % (1000*60*60)) % (1000*60) / 1000);    // Add hours if there    if(hours > 0){        finalTimerString = hours + ":";    }    // Prepending 0 to seconds if it is one digit    if(seconds < 10) {        secondsString = "0" + seconds;    }else {        secondsString = "" + seconds;    }    finalTimerString = finalTimerString + minutes + ":" + secondsString;    // return timer string    return finalTimerString;}


Here is how i handle the seekbar;

        mediaPlayer.setOnPreparedListener(new OnPreparedListener(){        @Override        public void onPrepared(MediaPlayer mp) {            mediaPlayer.start();            new SeekBarHandler().execute();    });

Now i have an Async Task called SeekBarHandler that handles the seekbar like this:

    public class SeekBarHandler extends AsyncTask<Void, Void, Void> {@Overrideprotected void onPostExecute(Void result) {    Log.d("##########Seek Bar Handler ################","###################Destroyed##################");    super.onPostExecute(result);}@Overrideprotected void onProgressUpdate(Void... values) {    seekBar.setProgress(mediaPlayer.getCurrentPosition());    super.onProgressUpdate(values);}@Overrideprotected Void doInBackground(Void... arg0) {    while(mediaPlayer.isPlaying()&&isViewOn==true) {        try {            Thread.sleep(200);        } catch (InterruptedException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    onProgressUpdate();    }    return null;}    }

Now in my onPause, i terminate the AsyncTask as it doesnt make sense to keep the thread going when the user is not able to see the seekbar

    protected void onPause() {    isViewOn=false;    super.onPause();    }

And on onResume i start the AsyncTaskAgain like this

    protected void onResume() {    isViewOn=true;    new SeekBarHandler().execute();    super.onResume();    }

As you can see i use a boolean flag isViewOn to check whether the view is on or not to handle the seekbar.