public void unbindService() {
if (_helper != null) {
_helper.dispose();
_helper = null;
}
destroyBroadcasts();
}
// We're being destroyed. It's important to dispose of the helper here!
@Override
public void onDestroy() {
super.onDestroy();
// very important:
Log.d(TAG, "Destroying helper.");
if (mHelper != null) mHelper.dispose();
mHelper = null;
}