Red Social Móvil

Frontend

• Flutter 3.0
• Bloc para estado
• GetIt para DI
• Cached Network Image

Backend

• Firebase Auth
• Cloud Firestore
• Storage
• Cloud Functions

Características avanzadas

• Video streaming
• Compresión de imágenes
• Geolocalización
• Analytics y tracking

Bloc de Publicaciones

// lib/blocs/post_bloc.dart
class PostBloc extends Bloc<PostEvent, PostState> {
  final PostRepository repository;

  PostBloc({required this.repository}) : super(PostInitial()) {
    on<LoadPosts>((event, emit) async {
      emit(PostLoading());
      try {
        final posts = await repository.getPosts();
        emit(PostLoaded(posts));
      } catch (e) {
        emit(PostError(e.toString()));
      }
    });

    on<CreatePost>((event, emit) async {
      try {
        await repository.createPost(event.post);
        add(LoadPosts());
      } catch (e) {
        emit(PostError(e.toString()));
      }
    });
  }
}

Pantalla de Chat

// lib/features/chat/chat_screen.dart
class ChatScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return BlocBuilder<ChatBloc, ChatState>(
      builder: (context, state) {
        return Scaffold(
          appBar: AppBar(
            title: Text(state.chatUser.name),
            actions: [
              IconButton(
                icon: Icon(Icons.video_call),
                onPressed: () => _startVideoCall(context),
              ),
            ],
          ),
          body: Column(
            children: [
              Expanded(
                child: MessagesList(messages: state.messages),
              ),
              MessageInput(
                onSend: (message) {
                  context.read<ChatBloc>().add(
                    SendMessage(message),
                  );
                },
              ),
            ],
          ),
        );
      },
    );
  }

  void _startVideoCall(BuildContext context) {
    // Implementación de videollamada
  }
}