您可以通过以下方式实现您想要的DefaultTabController
小部件。你可以看一下例子here https://flutter.io/cookbook/design/tabs/仅包含图标。这是带有标题的修改版本。TabBar
部分用于选项卡及其规格。TabBarView
用于内部视图。
class TabBarDemo extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: DefaultTabController(
length: 3,
child: Scaffold(
appBar: AppBar(
bottom: TabBar(
tabs: [
Tab(icon: Icon(Icons.directions_car), text: "Car",),
Tab(icon: Icon(Icons.directions_transit), text: "Transit"),
Tab(icon: Icon(Icons.directions_bike), text: "Bike",),
],
),
title: Text('Tabs Demo'),
),
body: TabBarView(
children: [
Icon(Icons.directions_car),
Icon(Icons.directions_transit),
Icon(Icons.directions_bike),
],
),
),
),
);
}
}
如果您使用上面的代码,您将获得一个带有解释文本的 3 个选项卡式选项卡视图。
EDIT:
//Call the widget as follows
new TabBarDemo(createTabsDynamically());
//method to use for dynamic creation.
List<Tab> createTabsDynamically() {
List<String> titles = ["Car", "Transit", "Bike"];
List<IconData> iconData = [Icons.directions_car, Icons.directions_transit, Icons.directions_bike];
List<Tab> tabs = new List();
// Assuming titles and icons have the same length
for (int i = 0; i< titles.length; i++) {
tabs.add(Tab(icon: Icon(iconData[i]), text: titles[i],));
}
return tabs;
}
class TabBarDemo extends StatelessWidget {
List<Tab> tabs;
TabBarDemo(this.tabs);
@override
Widget build(BuildContext context) {
return MaterialApp(
home: DefaultTabController(
length: 3,
child: Scaffold(
appBar: AppBar(
bottom: TabBar(
tabs: tabs,
),
title: Text('Tabs Demo'),
),
body: TabBarView(
children: [
Icon(Icons.directions_car),
Icon(Icons.directions_transit),
Icon(Icons.directions_bike),
],
),
),
),
);
}
}