App Inventor MediaPlayer dont work after play sound alot times

avichay · Jan 18, 2018

Hi Thx for looking...
I tried to play random sound by clicking & using thid method. It work preety fine but when i'm clicking alots of times on the button that make it all work, it stop plaing sound. plese help me to fix this problem.

Java:

findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Random rnd = new Random();
                int number = rnd.nextInt(8)+1;
                    songText(number);
                    playSong(number);
            }

Java:

public void playSong (int number){

                if (mediaPlayer == null)
                    ;
                else
                    mediaPlayer.stop();


                switch (number){
                    case 1:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.hoken);

                        break;
                    case 2:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.lo);

                        break;
                    case 3:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.shalshove);

                        break;
                    case 4:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.barure);

                        break;
                    case 5:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.olay);

                        break;
                    case 6:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.lohoshevet);

                        break;
                    case 7:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.sogshell);

                        break;
                    case 8:
                        mediaPlayer = MediaPlayer.create(getBaseContext(), R.raw.ken);

                        break;
                    case 9:

                        break;
                    case 10:

                        break;
                }
               
                mediaPlayer.start();

            }

Deleted User · Jan 20, 2018

This is a common problem, and is happening because you don't release the MediaPlayers. Have a look at this:

https://stackoverflow.com/questions/15045750/how-to-properly-release-android-mediaplayer

avichay · Jan 20, 2018

LV426 said:
This is a common problem, and is happening because you don't release the MediaPlayers. Have a look at this:

https://stackoverflow.com/questions/15045750/how-to-properly-release-android-mediaplayer

this not my problrm ....my prolem happend when i clilck alot of times . if i click like 20 times its not happening but if more then this its happenin

Deleted User · Jan 20, 2018

This is your problem. You need to call release on your Media Players. Try this:

Code:

mediaPlayer.stop();
mediaPlayer.release();

avichay · Jan 22, 2018

LV426 said:
This is your problem. You need to call release on your Media Players. Try this:

Code:

mediaPlayer.stop(); mediaPlayer.release();

not work

Deleted User · Jan 22, 2018

What does your code look like now?

nic0lette · Jan 29, 2018

Hi,

So, that's not really how MediaPlayer is designed to work, and is why LV426 suggests calling .stop() and .release().

There are two ways to fix this, and it mostly depends on the type of sounds you're actually playing.

If you're playing a number of short sounds, like sound effects, I recommend switching to using SoundPool: https://developer.android.com/reference/android/media/SoundPool.html With this you load the sounds and simply play them by an ID.

If they're longer (and larger), then I would recommend using a single MediaPlayer and using .reset() and then .load() to change what it's playing, rather than creating a new one each time.

Alternatively, if they're long (large) songs, and you'd rather not mess with that, you could try using ExoPlayer, potentially with a Timeline, which would allow you to "load" all the songs once, and then, in each of the cases of the switch, you'd set the "window" to whichever song you wanted to play. (And then call .pause() after each song ends, if you don't want it automatically playing the next one

Deleted User · Jan 29, 2018

nic0lette said:
Hi,

So, that's not really how MediaPlayer is designed to work, and is why LV426 suggests calling .stop() and .release().

There are two ways to fix this, and it mostly depends on the type of sounds you're actually playing.

If you're playing a number of short sounds, like sound effects, I recommend switching to using SoundPool: https://developer.android.com/reference/android/media/SoundPool.html With this you load the sounds and simply play them by an ID.

If they're longer (and larger), then I would recommend using a single MediaPlayer and using .reset() and then .load() to change what it's playing, rather than creating a new one each time.

Alternatively, if they're long (large) songs, and you'd rather not mess with that, you could try using ExoPlayer, potentially with a Timeline, which would allow you to "load" all the songs once, and then, in each of the cases of the switch, you'd set the "window" to whichever song you wanted to play. (And then call .pause() after each song ends, if you don't want it automatically playing the next one

Welcome to AF. Good suggestion using SoundPool, you're right in saying that MediaPlayer isn't the right tool to use here.

App Inventor MediaPlayer dont work after play sound alot times

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