@Override
public void onPrepareOptionsMenu(android.view.Menu menu) {
super.onPrepareOptionsMenu(menu);
boolean isJoined = (mChannel != null) && mChannel.isJoined();
menu.findItem(R.id.info).setVisible(isJoined);
menu.findItem(R.id.members).setVisible(isJoined);
menu.findItem(R.id.part_channel).setVisible(isJoined);
// User must part channel before archiving/deleting
for (int id : new int[] {R.id.archive, R.id.delete}) {
MenuItem item = menu.findItem(id);
item.setVisible(item.isVisible() && (!isJoined));
}
}
@Override
protected void updateUI() {
super.updateUI();
if (getView() == null) {
// View not yet created.
return;
}
boolean isConnected =
(mConnection != null && mConnection.getState() == Connection.STATE_CONNECTED);
boolean isJoined = (mChannel != null && mChannel.isJoined());
View notInChannelView = getView().findViewById(R.id.not_in_channel);
notInChannelView.setVisibility((!isConnected) || isJoined ? View.GONE : View.VISIBLE);
getActivity().invalidateOptionsMenu();
}