[英]Change UIView Layer - Swift
I try to implement UIView with sequence. 我尝试用序列实现UIView。 With below code the output like in this picture.
使用下面的代码,输出如图所示。 (This is normal behaviour)
(这是正常行为)
But I want to line up like below picture 但我想像下面的图片一样排队
Elements sorted from right! 元素从右排序!
imageView.trailingAnchor.constraint(equalTo: participantView.safeAreaLayoutGuide.trailingAnchor, constant: CGFloat(-(counter * widthX - 5 * counter)) ).isActive = true
What can I do now? 我现在能做什么?
let widthX = 30
var counter = 0
for x in element {
guard let image = x.image else { continue }
let urlX = URL(string: "...")
let imageView = UIImageView()
participantView.addSubview(imageView)
imageView.translatesAutoresizingMaskIntoConstraints = false
imageView.trailingAnchor.constraint(equalTo: participantView.safeAreaLayoutGuide.trailingAnchor, constant: CGFloat(-(counter * widthX - 5 * counter)) ).isActive = true
imageView.topAnchor.constraint(equalTo: participantView.topAnchor, constant: 0).isActive = true
imageView.bottomAnchor.constraint(equalTo: participantView.bottomAnchor, constant: 0).isActive = true
imageView.widthAnchor.constraint(equalToConstant: 30).isActive = true
imageView.backgroundColor = .white
imageView.layer.cornerRadius = 15
imageView.clipsToBounds = true
imageView.contentMode = .scaleAspectFit
imageView.layer.borderWidth = 1
imageView.layer.borderColor = UIColor.lightGray.cgColor
counter += 1
imageView.kf.setImage(with: urlX)
}
Replace 更换
participantView.addSubview(imageView)
with 与
participantView.insertSubview(imageView,at:0)
position of 1 ,2 ..etc (left/right alignment) depends on image 1,2 ..etc(左/右对齐)的位置取决于图像
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