Creating a Vertical UIPageControl

天大地大妈咪最大 提交于 2019-12-20 19:38:46

问题


Anyone have an idea how to create a vertical UIPageControl? I have a UIScrollView with pagination enabled and I would like to have the UIPageControl sit on the side and appear vertically instead of horizontally.

Thank you in advance...


回答1:


You can apply a rotation transformation to the UIPageControl.

pageControl.transform = CGAffineTransformMakeRotation(M_PI_2);

Swift 3.0

let angle = CGFloat(M_PI_2)
pageControl.transform = CGAffineTransform(rotationAngle: angle)

Swift 4.0

let angle = CGFloat.pi/2
    pageControl.transform = CGAffineTransform(rotationAngle: angle)



回答2:


Update for Swift 3.1

pageControl.transform = pageControl.transform.rotated(by: .pi/2)



回答3:


You can use UICollectionView with paging enabled and vertical scroll. This handles the vertical pagination automatically.



来源:https://stackoverflow.com/questions/4927974/creating-a-vertical-uipagecontrol

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