import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.IBinder;
import android.support.v4.app.NotificationCompat;

public class Player extends Service implements MediaPlayer.OnCompletionListener {
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    public void onCompletion(MediaPlayer paramMediaPlayer) {}

    public void onCreate()
    {
        super.onCreate();
        PendingIntent localPendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), 0);
        startForeground(1337, new NotificationCompat.Builder(this)
                .setSmallIcon(R.mipmap.ic_launcher)
                .setContentTitle("My Awesome App")
                .setContentText("Doing some work...")
                .setContentIntent(localPendingIntent).build());
    }
}