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Questions - autolayout

How to trigger auto layout offscreen without adding the view to view hierarchy

My scenario is that I need to generate PNG Image data from an UIView whose layout I will setup myself. I create an UIView viewA in memory, which I will use to create PNG data. This happens in a framew...
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Todanley

ios

swift

objective-c

autolayout

Votes: 0

Answers: 1

Latest Answer

It would help if you provided a more concrete description of what you want to do with your "offscreen view." However, here's an example of getting a UIImage from a UIView that has never been...
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DonMag

Actual screen coordinates of anchor layout constraint linked to a UIView in iOS?

I’m a novice working with an app that lets me bridge Lua to some objective C commands. Using that bridge, I’ve created some controls (e.g, a basic browser WKWebview) using the auto layout in iOS but n...
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SugarRay

ios

autolayout

layout-anchor

Votes: 0

Answers: 1

Latest Answer

Thanks, DonMag, your clue about the viewDidLayoutSubviews helped me figure out the answer. From searching further online, I saw that I can get the actual coordinates of any UIView by getting extended ...
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SugarRay

UICollectionView Compositional Layout - items size not updated properly on iPad rotation

I have a problem that I cannot resolve at the moment namely I'm trying to set a different number of columns in the collection view based on the iPad position (collection should update on device rotati...
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Tzebulion

ios

swift

uicollectionview

autolayout

Votes: 0

Answers: 2

Latest Answer

I gave your UICollectionView a background of orange and ran your code and got similar results: I noticed few things From this I could conclude the UICollectionView seems to be set up and working wel...
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Shawn Frank

What constraints/stack view settings are recommended when stacking label, image, text, buttons, and collection view

I am trying to use a vertical stack view (Stack View 1) to fill an entire screen where the elements in the stack are a horizontal stack view with 2 labels (Stack View2), an image view, a text View, a ...
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Daniel Patriarca

ios

swift

autolayout

uistackview

Votes: 0

Answers: 2

Latest Answer

The first thing I'd check is whether stackView3 has its distribution set to be equalSpacing. Next I'd double check the image constraint is how you described it to be, it's cut off in your image so we ...
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Craig Siemens

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