使用autoLayout以编程方式将UIScrollView设置为水平滚动,可以按照以下步骤进行操作:
let scrollView = UIScrollView()
view.addSubview(scrollView)
scrollView.translatesAutoresizingMaskIntoConstraints = false
let contentView = UIView()
scrollView.addSubview(contentView)
contentView.translatesAutoresizingMaskIntoConstraints = false
contentView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor).isActive = true
contentView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor).isActive = true
contentView.topAnchor.constraint(equalTo: scrollView.topAnchor).isActive = true
contentView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor).isActive = true
contentView.heightAnchor.constraint(equalTo: scrollView.heightAnchor).isActive = true
let subview1 = UIView()
contentView.addSubview(subview1)
let subview2 = UIView()
contentView.addSubview(subview2)
// 添加更多子视图...
subview1.translatesAutoresizingMaskIntoConstraints = false
subview2.translatesAutoresizingMaskIntoConstraints = false
subview1.leadingAnchor.constraint(equalTo: contentView.leadingAnchor).isActive = true
subview1.topAnchor.constraint(equalTo: contentView.topAnchor).isActive = true
subview1.bottomAnchor.constraint(equalTo: contentView.bottomAnchor).isActive = true
subview1.widthAnchor.constraint(equalTo: scrollView.widthAnchor).isActive = true
subview2.leadingAnchor.constraint(equalTo: subview1.trailingAnchor).isActive = true
subview2.topAnchor.constraint(equalTo: contentView.topAnchor).isActive = true
subview2.bottomAnchor.constraint(equalTo: contentView.bottomAnchor).isActive = true
subview2.widthAnchor.constraint(equalTo: scrollView.widthAnchor).isActive = true
// 添加更多子视图的约束...
至此,你已经成功将UIScrollView设置为水平滚动。根据实际需求,你可以根据以上步骤添加更多子视图,并设置它们的约束以实现更复杂的布局。
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