BlocBuilder<PlayerBloc, PlayerState>(
      bloc: BlocProvider.of<PlayerBloc>(context),
      builder: (context, state) {
        if (state is PausedState) {
          return IconButton(
            icon: Icon(
              Icons.play_arrow,
              size: 32,
            ),
            onPressed: () {
              context.bloc<PlayerBloc>().add(PlayEvent(url: _planetRockUrl));
            },
          );
        } else {
          return IconButton(
            icon: Icon(
              Icons.pause,
              size: 32,
            ),
            onPressed: () {
              context.bloc<PlayerBloc>().add(PauseEvent());
            },
          );
        }
      },
    );