play-audio-android.java

public class DetailActivity extends  AppCompatActivity implements MediaPlayer.OnPreparedListener
...
private MediaPlayer mediaPlayer;
...
// Setup MediaPlayer
mediaPlayer = new MediaPlayer();
mediaPlayer.setOnPreparedListener(this);
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
try {
    mediaPlayer.setDataSource(REPLACE_WITH_SOME_URL_RESOURCE);
    mediaPlayer.prepareAsync();
} catch (IOException e) {
    e.printStackTrace();
    Log.e(TAG, e.getLocalizedMessage());
}
.
.
.
@Override
public void onPrepared(MediaPlayer mp) {
    mp.start();
}