Flutter基础widgets教程-Switch篇

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

activeColor:Colors.blue,

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

activeTrackColor: Colors.blue,

inactiveThumbColor:Colors.blue,

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

inactiveTrackColor:Colors.blue

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

value:0,