Using Service to play media file : MediaPlayer « Media « Android






Using Service to play media file

    
package app.test;

import android.app.Activity;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.IBinder;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

class BackgroundAudioService extends Service implements OnCompletionListener {
  MediaPlayer mediaPlayer;

  @Override
  public IBinder onBind(Intent intent) {
    return null;
  }

  @Override
  public void onCreate() {
    mediaPlayer = MediaPlayer.create(this, R.raw.s);// raw/s.mp3
    mediaPlayer.setOnCompletionListener(this);
  }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    if (!mediaPlayer.isPlaying()) {
      mediaPlayer.start();
    }
    return START_STICKY;
  }

  public void onDestroy() {
    if (mediaPlayer.isPlaying()) {
      mediaPlayer.stop();
    }
    mediaPlayer.release();
  }

  public void onCompletion(MediaPlayer _mediaPlayer) {
    stopSelf();
  }

}

public class Test extends Activity implements OnClickListener {

  Button startPlaybackButton, stopPlaybackButton;
  Intent playbackServiceIntent;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    startPlaybackButton = (Button) this.findViewById(R.id.StartPlaybackButton);
    stopPlaybackButton = (Button) this.findViewById(R.id.StopPlaybackButton);

    startPlaybackButton.setOnClickListener(this);
    stopPlaybackButton.setOnClickListener(this);

    playbackServiceIntent = new Intent(this, BackgroundAudioService.class);
  }

  public void onClick(View v) {
    if (v == startPlaybackButton) {
      startService(playbackServiceIntent);
      finish();
    } else if (v == stopPlaybackButton) {
      stopService(playbackServiceIntent);
      finish();
    }
  }
}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <TextView  
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:text="Background Audio Player"
        />
   <Button android:text="Start Playback" android:id="@+id/StartPlaybackButton" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
   <Button android:text="Stop Playback" android:id="@+id/StopPlaybackButton" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>

   
    
    
    
  








Related examples in the same category

1.Using MediaPlayer to play MP3 file
2.MediaPlayer and Text to Speech
3.Load mp3 file with MediaPlayer and play
4.Call prepare for MediaPlayer before starting
5.Set URL data source for MediaPlayer
6.Audio MediaPlayer Demo
7.Using MediaPlayer to play Video and Audio
8.extends MediaPlayer
9.MediaPlayer create and start
10.Multi PlayMixer
11.Play movie.m4v file