Flutter自定义底部导航栏的方法
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本文实例为大家分享了flutter自定义底部导航栏的具体代码，供大家参考，具体内容如下
文件结构：
main.dart
import 'package:flutter/material.dart';
import 'pages/tabs.dart';
void main() => runapp(new myapp());
class myapp extends statelesswidget {
@override
widget build(buildcontext context) {
return materialapp(
home: tabs(),
);
}
}tabs.dart
import 'package:flutter/material.dart';
import 'tabs/home.dart';
import 'tabs/category.dart';
import 'tabs/user.dart';
class tabs extends statefulwidget {
tabs({key key}) : super(key: key);
@override
_tabsstate createstate() => _tabsstate();
}
class _tabsstate extends state<tabs> {
int _currentindex = 0;
list _pagelist=[
homepage(),
categorypage(),
userpage(),
];
@override
widget build(buildcontext context) {
return scaffold(
appbar: appbar(
title: text('自定义底部导航'),
),
body: this._pagelist[this._currentindex],
bottomnavigationbar: bottomnavigationbar(
currentindex: this._currentindex,
ontap: (int index) {
setstate(() {
this._currentindex = index;
});
},
items: [
bottomnavigationbaritem(
icon: icon(icons.home),
title: text('首页'),
),
bottomnavigationbaritem(
icon: icon(icons.category),
title: text('分类'),
),
bottomnavigationbaritem(
icon: icon(icons.supervised_user_circle),
title: text('会员'),
),
],
),
);
}
}home.dart
import 'package:flutter/material.dart';
class homepage extends statefulwidget {
homepage({key key}) : super(key: key);
@override
_homepagestate createstate() => _homepagestate();
}
class _homepagestate extends state<homepage> {
@override
widget build(buildcontext context) {
return text('首页');
}
}category.dart
import 'package:flutter/material.dart';
class categorypage extends statefulwidget {
categorypage({key key}) : super(key: key);
@override
_categorypagestate createstate() => _categorypagestate();
}
class _categorypagestate extends state<categorypage> {
@override
widget build(buildcontext context) {
return text('分类');
}
}user.dart
import 'package:flutter/material.dart';
class userpage extends statefulwidget {
userpage({key key}) : super(key: key);
@override
_userpagestate createstate() => _userpagestate();
}
class _userpagestate extends state<userpage> {
@override
widget build(buildcontext context) {
return text('会员');
}
}效果展示：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持萬仟网。
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