manager.addOnMediaKeyEventSessionChangedListener((Executor) Runnable::run,

new MediaSessionManager.OnMediaKeyEventSessionChangedListener() {

@Override

public void onMediaKeyEventSessionChanged(@NonNull String pkgName,

@Nullable MediaSession.Token token) {

Logger.tag(TAG).i("onMediaKeyEventSessionChanged pkgName: "

+ pkgName + ", MediaSession.Token: " + token);

if (!TextUtils.isEmpty(pkgName) && token == null) {

updateMediaSessionByPlayer();

}

}

});