UISwitch

UISwitch *mySwitch = [[UISwitch
alloc] initWithFrame:CGRectMake(100,
100, 100,
100)];

//设置开启颜色
图片
mySwitch.onTintColor = [UIColor
redColor];
mySwitch.onImage = [UIImage
imageNamed:@""];

//设置关闭颜色
图片
mySwitch.tintColor = [UIColor
blueColor];
mySwitch.offImage = [UIImage
imageNamed:@""];

//设置圆形按钮颜色

mySwitch.thumbTintColor = [UIColor
orangeColor];

//代码设置开启/关闭状态

//设置YES或NO，是否使用animated动画效果：
[mySwitch
setOn:YES
animated:YES];

[self.view
addSubview:mySwitch];

[mySwitch addTarget:self
action:@selector(click:)
forControlEvents:UIControlEventValueChanged];

}

- (void)click:(id)sender{

UISwitch *mySwitch = (UISwitch *)sender;

if (mySwitch.isOn) {

NSLog(@"开关开启");
}else{

NSLog(@"开关关闭");
}
}

- (void)didReceiveMemoryWarning {

[super
didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.
}