UISlider

UISlider

创建设置

UISlider *der = [[UISlider alloc]initWithFream:CGRect(x,y,w,h)];

添加一个IBAction

[slider addTarget:self action:@selector(function:) forControlEvents:UIControlEventValueChanged];

-(void)function:(UISlider *)slider

{

NSLog(@"%d",slider.value);

}

设这控件的初始值和最大值

slider.minimumValue = 0;

slider.maximumValue = 10;

设置控件的图片（例如声音大小）

slider.minimumValueImag = [UIImage imageNamed:];

slider.maximumValueImage = [UIImage imageNamed:];

设置值的变化是否连续

slider.constraints = NO;

设置控件线条最大值，最小值的颜色

slider.minimumTrackTintColor = [UIColor redColor];

slider.maximumTrackTintColor = [UIColor greenColor];

设置控件的颜色

slider.thumbTintColor = [UIColor blueColor];

触摸事件

-（void）touchBegan:(NSSet<UItouch *> *)touch withEvent:(UIEvent *)event

{

滑动时取一个随机数

[slider setValue:arc4random()%1000 anmiated:YES];

}

添加到视图上

[self.view addSubview:slider]