自定义UISlider的样式和滑块

//自定义UISlider的样式和滑块



//轨道图片

UIImage *stetchLeftTrack = [UIImage
imageNamed:@"thick"];

UIImage *stetchRightTrack = [UIImage
imageNamed:@"thick"];



//滑块图片

UIImage *thumbImage = [UIImage
imageNamed:@"thumb"];



//创建slider

UISlider *slider = [[UISlider
alloc] initWithFrame:CGRectMake(30,
300, 300,
7)];

slider.backgroundColor = [UIColor
clearColor];
slider.value =
1.0;
slider.minimumValue =
0.5;
slider.maximumValue =
1.0;



//设置轨道的图片

[slider setMinimumTrackImage:stetchLeftTrack
forState:UIControlStateNormal];

[slider setMaximumTrackImage:stetchRightTrack
forState:UIControlStateNormal];



//设置滑块的图片

//[slider setThumbImage:thumbImage forState:UIControlStateHighlighted];

[slider setThumbImage:thumbImage
forState:UIControlStateNormal];



//滑动滑块添加事件

//滑动过程中不断触发事件

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

//滑动完成添加事件

//滑动完成后触发事件

[slider addTarget:self
action:@selector(endThumb:)
forControlEvents:UIControlEventTouchUpInside];


[self
addSubview:slider];