AudioPlayer

public class AudioPlayer {

    private final AudioManager am;

    private MediaPlayer mediaPlayer;

    public AudioPlayer(AudioManager audioManager) {
        this.am = audioManager;
        mediaPlayer = new MediaPlayer();
    }

    public void load(int position) {
    }

    public void play() {
    }

    public void pause() {
    }

    public boolean next() {
    }

    public boolean previous() {
    }

    public void stop() {
    }

    public boolean isPlaying() {
    }
}