Stop mp3 playing on another button click and exiting page

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I have tried all the examples that I can find on this site but I can't seem to get it to work. I need it so that if a mp3 file is started by pressing a button, if another button is pressed then the previous mp3 stops and the new one starts.

I also need it to stop when navigating away from the page.

Can anyone see what I might be doing wrong?

import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

    public class buttontofirstaidaed extends Activity implements OnClickListener{
        private MediaPlayer mp1;
        private MediaPlayer mp2;
        private MediaPlayer mp3;
        private MediaPlayer mp4;
        private MediaPlayer mp5;
        private MediaPlayer mp6;

        @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.firstaidaed);
        setVolumeControlStream(AudioManager.STREAM_MUSIC);
        Button buttonaed1=(Button)findViewById(R.id.button_aed1);
        Button buttonaed2=(Button)findViewById(R.id.button_aed2);
        Button buttonaed3=(Button)findViewById(R.id.button_aed3);
        Button buttonaed4=(Button)findViewById(R.id.button_aed4);
        Button buttonaed5=(Button)findViewById(R.id.button_aed5);
        Button buttonaed6=(Button)findViewById(R.id.button_aed6);

        buttonaed1.setOnClickListener(this);
        buttonaed2.setOnClickListener(this);
        buttonaed3.setOnClickListener(this);
        buttonaed4.setOnClickListener(this);
        buttonaed5.setOnClickListener(this);
        buttonaed6.setOnClickListener(this);

    }

    public void onClick(View v) {
        int resId1;
        int resId2;
        int resId3;
        int resId4;
        int resId5;
        int resId6;

        switch (v.getId()) {

        case R.id.button_aed1:
            resId1 = R.raw.aed1;
            if(mp1!=null) { mp1.release(); } mp1 = MediaPlayer.create(this, resId1); mp1.start();
            break;

        case R.id.button_aed2:
            resId2 = R.raw.aed2;
            if(mp2!=null) { mp2.release(); } mp2 = MediaPlayer.create(this, resId2); mp2.start();
            break;

        case R.id.button_aed3:
            resId3 = R.raw.aed3;
            if(mp3!=null) { mp3.release(); } mp3 = MediaPlayer.create(this, resId3); mp3.start();
            break;

        case R.id.button_aed4:
            resId4 = R.raw.aed4;
            if(mp4!=null) { mp4.release(); } mp4 = MediaPlayer.create(this, resId4); mp4.start();
            break;

        case R.id.button_aed5:
            resId5 = R.raw.aed5;
            if(mp5!=null) { mp5.release(); } mp5 = MediaPlayer.create(this, resId5); mp5.start();
            break;

        case R.id.button_aed6:
            resId6 = R.raw.aed6;
            if(mp6!=null) { mp6.release(); } mp6 = MediaPlayer.create(this, resId6); mp6.start();
            break;

        }

    }

}

asked 1 min ago

Andrew

1

Stop mp3 playing on another button click and exiting page