FondleTalk/lib/tools/home_page.dart

import 'dart:async';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:talk/tools/home/my_home_page.dart';
import 'package:talk/tools/me/me_page.dart';
import 'package:talk/tools/message/message_page.dart';

import 'find/find_page.dart';

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

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> with SingleTickerProviderStateMixin {
  int currentIndex = 0;
  late final TabController _tabController;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    _tabController = TabController(length: 4, vsync: this);
  }

  @override
  void dispose() {
    // TODO: implement dispose
    _tabController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: doubleClickBack,
      child: Scaffold(
        backgroundColor: Color(0x32FFFFFF),
        body: Stack(
          children: [
            TabBarView(
              controller: _tabController,
              physics: const NeverScrollableScrollPhysics(),
              children: const [
                MyHomePage(),
                FindPage(),
                MessagePage(),
                MePage(),
              ],
            ),
            Positioned(
                bottom: 0,
                child: Container(
                  width: MediaQuery.of(context).size.width,
                  height: 60,
                  color: Color(currentIndex != 0 ? 0xFF121213 : 0x121213),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceAround,
                    children: [
                      GestureDetector(
                        onTap: () {
                          currentIndex = 0;
                          _tabController.animateTo(0);
                          setState(() {});
                        },
                        child: Text(
                          '首页',
                          style: TextStyle(color: Color(currentIndex == 0 ? 0xFFFFFFFF : 0xFF7E7E7E)),
                        ),
                      ),
                      GestureDetector(
                        onTap: () {
                          currentIndex = 1;
                          _tabController.animateTo(1);
                          setState(() {});
                        },
                        child: Text(
                          '发现',
                          style: TextStyle(color: Color(currentIndex == 1 ? 0xFFFFFFFF : 0xFF7E7E7E)),
                        ),
                      ),
                      Image(
                        width: 32,
                        image: AssetImage('assets/images/ic_create.png'),
                      ),
                      GestureDetector(
                        onTap: () {
                          currentIndex = 2;
                          _tabController.animateTo(2);
                          setState(() {});
                        },
                        child: Text(
                          '消息',
                          style: TextStyle(color: Color(currentIndex == 2 ? 0xFFFFFFFF : 0xFF7E7E7E)),
                        ),
                      ),
                      GestureDetector(
                        onTap: () {
                          currentIndex = 3;
                          _tabController.animateTo(3);
                          setState(() {});
                        },
                        child: Text(
                          '我的',
                          style: TextStyle(color: Color(currentIndex == 3 ? 0xFFFFFFFF : 0xFF7E7E7E)),
                        ),
                      ),
                    ],
                  ),
                ))
          ],
        ),
      ),
    );
  }

  int last = 0;

  Future<bool> doubleClickBack() async {
    int now = DateTime.now().millisecondsSinceEpoch;

    if (now - last > 2500) {
      last = DateTime.now().millisecondsSinceEpoch;
      EasyLoading.showToast("再按一次退出");
      return Future.value(false);
    } else {
      exit(0);
    }
  }
}