dart最新2024.06.17

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'Flutter Demo',
      home: SplashScreen(),
    );
  }
}

class SplashScreen extends StatefulWidget {
  const SplashScreen({super.key});

  @override
  // ignore: library_private_types_in_public_api
  _SplashScreenState createState() => _SplashScreenState();
}

class _SplashScreenState extends State<SplashScreen> {
  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: _navigateToHome(),
      builder: (context, snapshot) {
        if (snapshot.connectionState == ConnectionState.done) {
          return Container(); // 闪屏完成后，返回一个空容器
        } else {
          return Scaffold(
            body: Image.asset('assets/images/splash360.png'),
          );
        }
      },
    );
  }

  Future<void> _navigateToHome() async {
    await Future.delayed(const Duration(seconds: 2)); // 假设的初始化时间
    // ignore: use_build_context_synchronously
    Navigator.of(context).pushReplacement(
        MaterialPageRoute(builder: (context) => const HomePage()));
  }
}

class HomePage extends StatelessWidget {
  const HomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: const Center(
        child: Text('地图自己当前位置'),
      ),
      bottomNavigationBar: BottomNavigationBar(
        items: const [
          BottomNavigationBarItem(icon: Icon(Icons.category), label: '收货'),
          BottomNavigationBarItem(icon: Icon(Icons.email), label: '记录'),
          //BottomNavigationBarItem(icon: Icon(Icons.label), label: '位置'),
          BottomNavigationBarItem(icon: Icon(Icons.settings), label: '自己'),
        ],
      ),
    );
  }
}