[英]Which constraints are conflicting?
我有一個UICollectionViewCell,它一直給我一個錯誤的錯誤提示,因為它們與自動布局約束沖突。 以下是它聲稱在調試器中打印出的沖突約束:
(
"<NSAutoresizingMaskLayoutConstraint:0x10e47df70 h=--& v=--& UIView:0x1094594c0.width == 414 (active)>",
"<NSAutoresizingMaskLayoutConstraint:0x10e47e110 h=--& v=--& UIView:0x1094594c0.height == 531 (active)>",
"<NSLayoutConstraint:0x10947e7e0 UIButton:0x10947e410.height == 44 (active)>",
"<NSLayoutConstraint:0x10e457fd0 UIImageView:0x10e44e960.height == 1.2*UIImageView:0x10e44e960.width (active)>",
"<NSLayoutConstraint:0x109488520 V:|-(0)-[UIImageView:0x10e44e960] (active, names: '|':UIView:0x10947bfd0 )>",
"<NSLayoutConstraint:0x109488610 H:[UIImageView:0x10e44e960]-(0)-| (active, names: '|':UIView:0x10947bfd0 )>",
"<NSLayoutConstraint:0x109488700 H:|-(0)-[UIImageView:0x10e44e960] (active, names: '|':UIView:0x10947bfd0 )>",
"<NSLayoutConstraint:0x1094890c0 V:[UIImageView:0x10e44e960]-(8)-[UITextView:0x102940a00'Hey'] (active)>",
"<NSLayoutConstraint:0x10948a520 V:[UIButton:0x10947e410]-(0)-| (active, names: '|':UIView:0x10947bfd0 )>",
"<NSLayoutConstraint:0x10948a820 V:[UITextView:0x102940a00'Hey']-(8)-[UIButton:0x10947e410] (active)>",
"<NSLayoutConstraint:0x10948ae00 V:|-(5)-[UIView:0x10947bfd0] (active, names: '|':UIView:0x109452f60 )>",
"<NSLayoutConstraint:0x10948af40 H:|-(5)-[UIView:0x10947bfd0] (active, names: '|':UIView:0x109452f60 )>",
"<NSLayoutConstraint:0x10948b030 V:[UIView:0x10947bfd0]-(5)-| (active, names: '|':UIView:0x109452f60 )>",
"<NSLayoutConstraint:0x10948b120 H:[UIView:0x10947bfd0]-(5)-| (active, names: '|':UIView:0x109452f60 )>",
"<NSLayoutConstraint:0x10948b500 H:[UIView:0x109452f60]-(0)-| (active, names: '|':UIView:0x1094594c0 )>",
"<NSLayoutConstraint:0x10948b640 H:|-(0)-[UIView:0x109452f60] (active, names: '|':UIView:0x1094594c0 )>",
"<NSLayoutConstraint:0x10948b730 V:|-(0)-[UIView:0x109452f60] (active, names: '|':UIView:0x1094594c0 )>",
"<NSLayoutConstraint:0x10948b820 V:[UIView:0x109452f60]-(0)-| (active, names: '|':UIView:0x1094594c0 )>"
)
然后嘗試通過打破以下約束來解決此問題:
<NSLayoutConstraint:0x10e457fd0 UIImageView:0x10e44e960.height == 1.2*UIImageView:0x10e44e960.width (active)>
由於我的XIB沒有顯示任何錯誤,我很難確定到底是什么在沖突。
您具有將圖像的高寬比設置為1.2的約束,因此圖像的高度必須為寬度尺寸的1.2倍。
但是,您也將圖像限制為與其父視圖相同的大小,減去某些控件的固定空間。 依次將此視圖設置為與其父視圖相同的大小,減去5個單位的邊框,並且該第三視圖與最外面的視圖具有相同的大小,后者的固定大小為414 x 531。
我希望,一旦解決了所有問題,就無法將圖像制作得比寬高1.2倍。
我會嘗試將圖像的水平約束刪除到其父視圖邊緣,並添加一個新的約束以將其水平居中,然后看看如何進行。
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