ios - Auto-layout: What creates constraints named UIView-Encapsulated-Layout-Width & Height? -


Some of the structures are right in my layout constraints Interface Builder, but introduce an exception to determine the height and width The sequence is thanks to the obstacles that I really do not want to do, why are they there, and how to stop them?

They are the last two obstacles shown in the list of logs:

  2014-04-26 09:02: 58.687 BBC News [32058: 60b] Unable to complete There is probably at least one obstacle in the following list that you do not want. Try it: (1) Look at each obstacle and try to figure out what you do not expect; (2) Get the code that connects unwanted obstacles or obstacles and can fix it. (Note: If you are looking at the NSAutoresizingMaskLayoutConstraints that you do not understand, see the documentation for the translation of the UIView Property Indexed MaskNet Consultants ("& lt; NSLayoutConstraint: 0xbf478a0 UIViewiew: 0xbf4a3c0.height == 0.28125 * UIView: 0xbf4a3c0.width & gt; ; "," & Lt; NSLayoutConstraint: 0xbf47190 UIView: 0xbf4a3c0.leading == BNMyNewsCell_landscape: 0xbf48b10.leading & gt; "" & lt; NSLayoutConstraint: 0xbf47160 UIView: 0xbf4a3c0.trailing == BNMyNewsCell_landscape: 0xbf48b10.trailing & gt; " & Lt; NSLayoutConstraint: 0xbf47130 BNMyNewsCell_landscape: 0xbf48b10.bottom == UIView: 0xbf4a3c0.bottom & gt; "," NSLayoutConstraint: 0xbf47100 UIView: 0xbf4a3c0.top == BNMyNewsCell_landscape: 0xbf48b10.top> "," & lt ; NSLayoutConstraint: 0xd4c3c40 'U IView-Encapsulated- layout width H [BNMyNewsCell_landscape: 0xbf48b10 (304)] & gt; "" & LT; NSLayoutConstraint: 0xd4c38a0 'UIView- explained layout-height' V: [BNMyNewsCell_landscape: 0xbf48b10 (290)] & gt; "} Break the obstacle & lt will try to fix; Nsla Yutknstrant: 0xbf478a0 UIView: 0xbf4a3c0khait == 0.28125 * Uiviav: 0xbf4a3c0kvidth & gt; Based on a ton of observations, I believe (but certainly do not know):    

UIView- explained layout-width and UIView- explained layout-height by UICollectionView and went made friends, And are available to apply for the returned size for the size ITENDExPath representative method. I would have to ensure that the end is that the UICollectionViewCell is set by cellForItemAtIndexPath size that it was told it would be.

Which gives my initial answer to the question here. The second question is why the obstacles were dissatisfied? The internal height of the cell should have been similar to UIView-Encapsulated-Layout-Height . Again, I do not know for certain, but I think it was a rounding error (ie internal height came to 200.1 pixels, UIView- explained layout-height maybe 200 fixes I To reduce the priority of the relevant cell constraint to allow the round UIView-Encapsulated-Layout-Height to keep the last word.

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