@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
User listSelectedUser = (User) parent.getItemAtPosition(position);
User newSelectedUser =
selectedUser == listSelectedUser
? null
: listSelectedUser; // Unset if is already selected user
setChatTarget(newSelectedUser);
channelProvider.setChatTarget(newSelectedUser);
};
/** Updates the users display with the data from the channelProvider. */
public void updateChannel() {
// We need to make sure the fragment has been attached and is shown before updating the users.
usersAdapter.setVisibleChannel(channelProvider.getChannel().id);
usersAdapter.setUsers(channelProvider.getChannelUsers());
usersAdapter.notifyDataSetChanged();
}