Flutter基础widgets教程-CupertinoSwitch篇

1 CupertinoSwitch

iOS风格的底部选项卡。通常和CupertinoTabScaffold一起使用

2 构造函数

CupertinoTabBar({
    Key key,
    @required this.items,
    this.onTap,
    this.currentIndex = 0,
    this.backgroundColor,
    this.activeColor,
    this.inactiveColor = _kDefaultTabBarInactiveColor,
    this.iconSize = 30.0,
    this.border = const Border(
      top: BorderSide(
        color: _kDefaultTabBarBorderColor,
        width: 0.0, // One physical pixel.
        style: BorderStyle.solid,
      ),
    ),
})

3 常用属性

3.1 onTap：点击事件

onTap:() {},

3.2 currentIndex：当前选中的选项卡

currentIndex: 0,

3.3 backgroundColor：背景色

backgroundColor: Color(0xFFfafcff),

3.4 activeColor：选中选项卡颜色

activeColor:Colors.blue,

3.5 inactiveColor：未选中选项卡颜色

inactiveColor:Colors.black12,

3.6 iconSize：按钮图标大小

iconSize:30.0,

3.7 border：边框

border:const Border(),