title: calling setState in flutter Bloc listener
body: <p>I am calling setState in flutter BlocListener. is there any problem doing this?</p>
  <pre><code>....
  return BlocListener&lt;XBloc, XState&gt;(
        listener: (context, state) {
          if (state is XLoadedState) {
            setState(() {
              name = state.name;
            });
          }....
  ....
  </code></pre>