lib/main.dart import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:my_app1/chat-ui.dart'; import 'package:flutter/services.dart'; void main() { runApp(ChatUI()); } lib/chat-ui.dart import 'dart:async'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/services.dart'; import 'dart:math'; import 'package:my_app1/widgets/category_selector.dart'; import 'package:my_app1/chat-ui-chat-screen.dart'; class User { final int id; final String name; final String imageUrl; User({ this.id, this.name, this.imageUrl, }); } class Message { final User sender; final String […]
