Is UIslider structure changed at iOS14beta ?

Question

Created Sep ’20

Replies 4

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I implement UISlider with minimumValueImage and maximumValueImage as tappable button.

I can get minimumValueImage and maximumValueImage by this way until iOS13.

Code Block swift@IBOutlet weak var slider: UISlider!
var images: [UIView] = slider.subviews.filter({$0 is UIImageView})

However, I can't get images by this way at iOS14 beta.

I tried to find the way to get the information, below way seems to success to get images.

Code Block swiftimages = slider.subviews[0].subviews.filter({$0 is UIImageView})

It looks structure of UISlider is changed.

I checked API documents or forums but can't find information related this.

(There are no changes based on this site.https://developer.apple.com/documentation/uikit/uislider?changes=latest_minor)

Do you have any idea about this behavior ?

Thank you very much in advance.

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Answer 1

birdog OP

Sep ’20

In addition, UISlider.subview returns "UISlideriOSVisualElement" on iOS14 beta.
it returned "UIImageView" on iOS13 before.

I can't find any information about "UISlideriOSVisualElement".

Do anyone have information about it ?

1

Answer 2

ankitfromnull OP

Sep ’20

I am also facing the issue with new structure, Any progress how to get the subviews from this ?

0

Answer 3

birdog OP

Sep ’20

Hi ankitfromnull,

I evade this situation by implementing additional UIButton on place where overwrap on minimumValueImage / maximumValueImage.
FYI.

0

Answer 4

Claude31 OP

Dec ’20

If you try and print slider.subviews.count, you get 0 in iOS 12 and 1 in iOS 14.
So something has changed in subviews.
iIn iOS 14, seems that the subview is in fact the whole slider view.

0