MsgPage(),CartPage(),PersonPage()];@overridevoidinitState(){super.initState();}@overrideWidgetbuild(BuildContextcontext){returnMaterialApp(home:Scaffold(appBar:AppBar(title:Text('用户注册'),),body:_pages[_currentIndex],bottomNavigation
如果有关注过我的同学可能看过我之前的一篇名为Flutter学习笔记：BottomNavigationBar实现多个Navigation的文...
I'm using GoRouter for navigation in my Flutter web app. When I navigate through pages 1 to 4 and use the app's back button to go back to page 3, it works as expected. However, when I click the browser's back button from page 3, the navigation order is reversed, taking me back ...
Therefore, you don't need to use a widget with on pressed callback such as IconButton or wrap it with a GestureDetector. In addition, it also provides the argument that's commonly used to customize a destination such as adding a label or using a different icon when selected. const ...
dependencies:flutter:sdk:fluttercurved_navigation_bar:^1.0.3 Step-2:Import the packages Here you can see it has aCurved Navigation BarWidget. Then we must import its file at the top. If we work in Vs code, it automatically imports the file. ...
Here a callback function is created for a widget, for example,RaisedButton, inside theonPressedproperty of the widget. Here we used thepush()function of theNavigatorclass to navigate to the widget in theNextPageclass. To navigate back to the previous route in the navigation stack, you can ...
FloatingActionButton(FAB) 控件是一个。用来显示界面上的主要功能。 FloatingActionButton 具有如下主要属性: child: FAB 中的子 Widget tooltip: 长按 FAB 所显示的提示文字 backgroundColor: FAB 的背景颜色 onPressed:点击 FAB 的回调函数 heroTag: 应用到 Hero Widget 上的标签,用来做界面切换动画的 ...
Flutter布局基础——自定义BottomNavigationBar 背景 这里我们来尝试实现一个不规则的 BottomNavigationBar,首先了解两个系统组件:floatingActionButton和BottomAppBar <!--more--> floatingActionButton floatingActionButton用于创建一个浮动的按钮,有两种样式:一种是圆形的纯图标的;一种是椭圆的带有图标或文案的。
(0xFFF2FAFC), buttonBackgroundColor: const Color(0xFFF2FAFC), backgroundColor: Colors.transparent, animationCurve: Curves.easeInOut, animationDuration: const Duration(milliseconds: 500), height: 60, items: _randerItem()), ); } List<Widget> _randerItem() { List<Widget> list = []; for ...
BottomNavigationBar 是底部导航条,可以让我们定义底部Tab切换,bottomNavigationBar是 Scaffold组件的参数。 BottomNavigationBar 常见的属性 itemsList 底部导航条按钮集合 iconSizeicon currentIndex 默认选中第几个 onTap选中变化回调函数 fixedColor选中的颜色