iphone - Vertical Slider Using touch only iPhone

Question

I am developing an app in which I need to use vertical slider which is having particular range i.e it slide between 0 to 100 values etc.

I have tried but not getting proper solution

Answer 1

更改滑块的变换属性。

基本上第一个参数是滑块的现有变换矩阵，第二个参数是您要旋转滑块的 n*度数（以弧度为单位） *。

 IBOutlet UISlider *slider;

slider.transform = CGAffineTransformRotate(slider.transform, 270.0/180*M_PI);