知识分享 – Flutter基础widgets教程-Switch篇

1 Switch

Switch 是一个切换按钮组件,通常用于设置的选项里。

2 构造函数

const Switch({
    Key key,
    this.activeColor,
    this.activeThumbImage,
    this.activeTrackColor,
    this.inactiveThumbColor,
    this.inactiveThumbImage,
    this.inactiveTrackColor,
    this.onChanged,
    this.value
})

3 常用属性

3.1 activeColor:激活时原点的颜色

activeColor:Colors.blue,

3.2 activeThumbImage:原点还支持图片,激活时的效果

activeThumbImage: AssetImage(('assets/images/title.png')),

3.3 activeTrackColor:激活时横条的颜色

activeTrackColor: Colors.blue,

3.4 inactiveThumbColor:非激活时原点的颜色

inactiveThumbColor:Colors.blue,

3.5 inactiveThumbImage:非激活原点的图片效果

inactiveThumbImage:AssetImage(('assets/images/title.png')),

3.6 inactiveTrackColor:非激活时横条的颜色

inactiveTrackColor:Colors.blue

3.7 onChanged:改变时触发

onChanged: (newValue) {
    setState(() {
        _value = newValue;
    });
}

3.8 value:切换按钮的值

value:0,

正文完