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aku_new_community/lib/pages/tab_navigator.dart

183 lines
5.4 KiB

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:akuCommunity/base/assets_image.dart';
import 'home/home_page.dart';
import 'market/market_page.dart';
import 'property/property_index.dart';
import 'community/community_index.dart';
import 'personal/personal_page.dart';
//页面列表
List<Widget> _pages = <Widget>[
HomePage(),
MarketPage(),
PropertyIndex(),
CommunityIndex(),
PersonalIndex()
];
class TabNavigator extends StatefulWidget {
@override
_TabNavigatorState createState() => _TabNavigatorState();
}
class _TabNavigatorState extends State<TabNavigator> {
PageController _pageController = PageController();
int _currentIndex = 0;
DateTime _lastPressed;
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);
double iconSize = ScreenUtil().setWidth(44);
//底部导航来
List<BottomNavigationBarItem> _bottomNav = <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: Image.asset(
AssetsImage.TAB_HOME_UNSELECT,
height: iconSize,
width: iconSize,
),
activeIcon: Image.asset(
AssetsImage.TAB_HOME_SELECT,
height: iconSize,
width: iconSize,
),
title: Text(
'首页',
style: TextStyle(
fontSize: ScreenUtil().setSp(20),
color: _currentIndex == 0 ? Color(0xff000000) : Color(0xffcccccc),
fontWeight:
_currentIndex == 0 ? FontWeight.w600 : FontWeight.normal,
),
),
),
BottomNavigationBarItem(
icon: Image.asset(
AssetsImage.TAB_MARKET_UNSELECT,
height: iconSize,
width: iconSize,
),
activeIcon: Image.asset(
AssetsImage.TAB_MARKET_SELECT,
height: iconSize,
width: iconSize,
),
title: Text(
'商城',
style: TextStyle(
fontSize: ScreenUtil().setSp(20),
color: _currentIndex == 1 ? Color(0xff000000) : Color(0xffcccccc),
fontWeight:
_currentIndex == 1 ? FontWeight.w600 : FontWeight.normal,
),
),
),
BottomNavigationBarItem(
icon: Image.asset(
AssetsImage.TAB_HOUSE_UNSELECT,
height: iconSize,
width: iconSize,
),
activeIcon: Image.asset(
AssetsImage.TAB_HOUSE_SELECT,
height: iconSize,
width: iconSize,
),
title: Text(
'物业',
style: TextStyle(
fontSize: ScreenUtil().setSp(20),
color: _currentIndex == 2 ? Color(0xff000000) : Color(0xffcccccc),
fontWeight:
_currentIndex == 2 ? FontWeight.w600 : FontWeight.normal,
),
),
),
BottomNavigationBarItem(
icon: Image.asset(
AssetsImage.TAB_MESSAGE_UNSELECT,
height: iconSize,
width: iconSize,
),
activeIcon: Image.asset(
AssetsImage.TAB_MESSAGE_SELECT,
height: iconSize,
width: iconSize,
),
title: Text(
'社区',
style: TextStyle(
fontSize: ScreenUtil().setSp(20),
color: _currentIndex == 3 ? Color(0xff000000) : Color(0xffcccccc),
fontWeight:
_currentIndex == 3 ? FontWeight.w600 : FontWeight.normal,
),
),
),
BottomNavigationBarItem(
icon: Image.asset(
AssetsImage.TAB_USER_UNSELECT,
height: iconSize,
width: iconSize,
),
activeIcon: Image.asset(
AssetsImage.TAB_USER_SELECT,
height: iconSize,
width: iconSize,
),
title: Text(
'我的',
style: TextStyle(
fontSize: ScreenUtil().setSp(20),
color: _currentIndex == 4 ? Color(0xff000000) : Color(0xffcccccc),
fontWeight:
_currentIndex == 4 ? FontWeight.w600 : FontWeight.normal,
),
),
)
];
return Scaffold(
body: WillPopScope(
onWillPop: () async {
if (_lastPressed == null ||
DateTime.now().difference(_lastPressed) > Duration(seconds: 1)) {
//两次点击间隔超过1秒重新计算
_lastPressed = DateTime.now();
return false;
}
//否则关闭app
return true;
},
child: PageView.builder(
itemBuilder: (context, index) => _pages[index],
itemCount: _pages.length,
controller: _pageController,
physics: NeverScrollableScrollPhysics(),
onPageChanged: (index) {
setState(() {
_currentIndex = index;
});
},
),
),
bottomNavigationBar: BottomNavigationBar(
type: BottomNavigationBarType.fixed,
items: _bottomNav,
currentIndex: _currentIndex,
onTap: (index) {
_pageController.jumpToPage(index);
},
),
);
}
}