MainActivity.java

public void addListener(HwAudioStatusListener listener) {
    if (mHwAudioManager != null) {
        try {
            mHwAudioManager.addPlayerStatusListener(listener);
        } catch (RemoteException e) {
            Log.e("TAG", "TAG", e);
        }
    } else {
        mTempListeners.add(listener);
    }
}

public void removeListener(HwAudioStatusListener listener) { //will be called in onDestroy() method
    if (mHwAudioManager != null) {
        try {
            mHwAudioManager.removePlayerStatusListener(listener);
        } catch (RemoteException e) {
            Log.e("TAG", "TAG", e);
        }
    }
    mTempListeners.remove(listener);
}

@Override
protected void onDestroy() {
    if(mHwAudioPlayerManager!= null && isReallyPlaying){
        isReallyPlaying = false;
        mHwAudioPlayerManager.stop();
        removeListener(mPlayListener);
    }
    super.onDestroy();
}


protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    binding = ActivityMainBinding.inflate(getLayoutInflater());
    View view = binding.getRoot();
    setContentView(view);

    //I set the MainActivity cover image as a placeholder image to cover for those audio files which do not have a cover image.
    binding.albumPictureImageView.setImageDrawable(getDrawable(R.drawable.ic_launcher_foreground));

    initializeManagerAndGetPlayList(this); //I call my method to set my playlist
}