根据这个github问题,我正在尝试在flutter中实现一个自定义的scaffold:https://github.com/flutter/flutter/issues/19606 import 'package:flutter/material.dart'; class MyCustomScaffold extends Scaffold { static GlobalKey<ScaffoldState> _keyScaffold = GlobalKey(); MyCustomScaffold({ AppBar appBar, Wid 浏...
首先尝试BottomNavigationBar+List<Widget>实现的页面切换保持状态,一般刚开始学都会这么写: voidmain()=>runApp(MyApp());classMyAppextendsStatelessWidget{@overrideWidgetbuild(BuildContext context)=>MaterialApp(title:"demo",home:MainPage(),);}classMainPageextendsStatefulWidget{@overrideState<StatefulWidget>create...
第一个类叫做TabNavigator: 代码语言:javascript 复制 classTabNavigatorRoutes{staticconstString root='/';staticconstString detail='/detail';}classTabNavigatorextendsStatelessWidget{TabNavigator({this.navigatorKey,this.tabItem});final GlobalKey<NavigatorState>navigatorKey;final TabItem tabItem;void_push(BuildC...
回顾Flutter自研项目中的两个知识点:Navigator跟bottomNavigationBar。 首先,Navigator理解为页面导航,主要运用push跟pop两个方法。push将元素添加到堆栈的顶部,pop从同一堆栈中删除顶部元素。 push方法具体使用方式,(push就不介绍了)如下: pushNamed: 这种路由需要一开始现在创建App的时候定义 newMaterialApp(...routes:{"...
Now the drawer is opening the home page but it's not showing the bottom navigator. here's my code main.dart import 'package:discover_me/screens/home.dart'; import 'package:discover_me/screens/search.dart'; import 'package:discover_me/tabs/tabspage.dart'; import 'package:flutter/material....
您可以通过使用GlobalKey获取这个BottomNavigationBar小部件。通过此GlobalKey，您可以处理此小部件。Here is ...
Flutter学习之Bottomnavigator main.dart import'package:flutter/material.dart';import'bottom_navigation_widget.dart';voidmain()=>runApp(newMyApp());classMyAppextendsStatelessWidget{ @overrideWidgetbuild(BuildContext context) {returnMaterialApp(title:'Flutter bottomNavigationBar',theme:ThemeData.light(),home...
在build中，你应该只是构建Widget树，* 而不是 * 做任何繁重的处理。你的tab 1是一个StatefulWidget，...
Linked 63 Flutter: Keep BottomNavigationBar When Push to New Screen with Navigator 3 Navigation within Tab view body Flutter 1 Pass function with parameter to child. Parameter should come from child 0 How can I do Parmanent bottom NavBar in flutter app?
默认情况下，BottomAppBar有一个安全区域。您可能会使用BottomNavigationBar或创建自定义小部件。验证码：...