/
bottom_navigation_bar.dart
56 lines (51 loc) · 1.68 KB
/
bottom_navigation_bar.dart
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import 'package:flutter/material.dart';
class BottomNavigationBarPage extends StatefulWidget {
BottomNavigationBarPage(this.title, {Key key}) : super(key: key);
final String title;
@override
_BottomNavigationBarPageState createState() =>
_BottomNavigationBarPageState();
}
class _BottomNavigationBarPageState extends State<BottomNavigationBarPage> {
List<BottomNavigationBarItem> _myTabs = [
BottomNavigationBarItem(label: "主页", icon: Icon(Icons.home)),
BottomNavigationBarItem(label: "列表", icon: Icon(Icons.list)),
BottomNavigationBarItem(label: "新建", icon: Icon(Icons.add)),
BottomNavigationBarItem(label: "消息", icon: Icon(Icons.message)),
BottomNavigationBarItem(label: "菜单", icon: Icon(Icons.menu)),
BottomNavigationBarItem(label: "其他", icon: Icon(Icons.devices_other)),
];
int _currentIndex = 0;
void _onItemTapped(int index) {
if (mounted) {
setState(() {
_currentIndex = index;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: IndexedStack(
index: _currentIndex,
children: _myTabs.map((BottomNavigationBarItem tab) {
return Center(child: Text(tab.label));
}).toList(),
),
bottomNavigationBar: BottomNavigationBar(
items: _myTabs,
//高亮 被点击高亮
currentIndex: _currentIndex,
//修改 页面
onTap: _onItemTapped,
//shifting :按钮点击移动效果
//fixed：固定
type: BottomNavigationBarType.fixed,
fixedColor: Theme.of(context).primaryColor,
),
);
}
}