Playing Audio Files in Android

activity_main.xml:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent" >

    <Button

        android:id="@+id/playButton"

        android:layout_width="150dp"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="28dp"

        android:text="play" />

    <Button

        android:id="@+id/pauseButton"

        android:layout_width="150dp"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/playButton"

        android:layout_below="@+id/playButton"

        android:layout_marginTop="34dp"

        android:text="pause" />

    <Button

        android:id="@+id/stopButton"

        android:layout_width="150dp"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/pauseButton"

        android:layout_centerVertical="true"

        android:text="stop" />

</RelativeLayout>

MainActivity.java:

package com.mediaplayer.ram;

import android.app.Activity;

import android.media.MediaPlayer;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener {

Button play, pause, stop;

MediaPlayer mp;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

play = (Button) findViewById(R.id.playButton);

pause = (Button) findViewById(R.id.pauseButton);

stop = (Button) findViewById(R.id.stopButton);

mp = MediaPlayer.create(getApplicationContext(), R.raw.jenny);

play.setOnClickListener(this);

pause.setOnClickListener(this);

stop.setOnClickListener(this);

}

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

switch (v.getId()) {

case R.id.playButton:

mp.start();

break;

case R.id.pauseButton:

mp.pause();

break;

case R.id.stopButton:

mp.stop();

mp = MediaPlayer.create(getApplicationContext(), R.raw.jenny);

break;

}

}

@Override

protected void onPause() {

// TODO Auto-generated method stub

mp.pause();

super.onPause();

}

}