// UISwitch
//
// Created by Catherine on 2017/8/29.
// Copyright © 2017年 Catherine. All rights reserved.
//
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
//大小是默认的因此只有前两个位置参数有作用
let myswitch : UISwitch = UISwitch(frame: CGRect(x: 100, y: 100, width: 100, height: 100))
//进行属性自定义设置
//设置滑块的颜色
myswitch.thumbTintColor = UIColor.red
//设置开关开启的颜色
myswitch.onTintColor = UIColor.blue
//设置关闭开关的渲染颜色（边框的颜色、切换--即点击时的背景色）
myswitch.tintColor = UIColor.purple
//添加事件
myswitch.addTarget(self, action: #selector(switchClick(swi:)), for:UIControlEvents.valueChanged )//检测有值的变化
self.view.addSubview(myswitch)
}
func switchClick(swi:UISwitch){
if swi.isOn{
self.view.backgroundColor = UIColor.gray
}else{
self.view.backgroundColor = UIColor.white
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}