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copied!<p>now use this edited code. This code will help you. If it is not running properly inform me.</p> <pre><code>package com.mediaplayer; import java.io.IOException; import java.util.ArrayList; import android.app.Activity; import android.media.MediaPlayer; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.RadioGroup; import android.widget.RadioGroup.OnCheckedChangeListener; public class MediaplayerActivity extends Activity implements OnCheckedChangeListener { MediaPlayer song1; int whatsong = 0; private ArrayList<Integer> songIds; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); RadioGroup rgMusic = (RadioGroup) findViewById(R.id.radioGroup1); songIds=new ArrayList<Integer>(); songIds.add(R.raw.fluet); songIds.add(R.raw.mogra_na_phool); songIds.add(R.raw.airtel); song1 = MediaPlayer.create(Nothing.this, R.raw.fluet); Button bPlay = (Button) findViewById(R.id.bPlay); Button bStop = (Button) findViewById(R.id.bStop); rgMusic.setOnCheckedChangeListener(this); bPlay.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(song1!=null) { song1.release(); } switch (whatsong) { case 1: try { song1 = MediaPlayer.create(Nothing.this, songIds.get(0)); song1.prepare(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } song1.start(); break; case 2: try { song1 = MediaPlayer.create(Nothing.this, songIds.get(1)); song1.prepare(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } song1.start(); break; case 3: try { song1 = MediaPlayer.create(Nothing.this, songIds.get(2)); song1.prepare(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } song1.start(); break; } } }); bStop.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(song1!=null){ song1.release(); } } }); } @Override public void onCheckedChanged(RadioGroup group, int rbId) { switch (rbId) { case R.id.rbMusic1: whatsong = 1; break; case R.id.rbMusic2: whatsong = 2; break; case R.id.rbMusic3: whatsong = 3; break; } } } </code></pre>

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