我有一个自定义视图xib
我有多个TableViews
。我正在将其加载到ViewController
作为嵌套视图:
ViewController
|_ View
|_ View (This is where I load my Custom View)
当我运行我的应用程序时,我可以在屏幕上看到空表,因此我的 xib 正在正确加载。
到目前为止,一切都很好。
My problem is, I am unable to see my tables in the storyboard. So I am not able to ctrl+drag and proceed further.
如何在故事板视图中查看我的自定义视图?
例如,我们有TopView(我的自定义视图):
-
顶视图.xib,设置TopView类文件的所有者
TopView.swift
注意:不要忘记@IBDesignable 标签。
import UIKit
@IBDesignable
class TopView: UIView {
//MARK:- IB Outlets
var contentView:UIView?
//MARK:- Lifecycle
override func awakeFromNib() {
super.awakeFromNib()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
setupThisView()
}
override init(frame: CGRect) {
super.init(frame: frame)
setupThisView()
}
override func prepareForInterfaceBuilder() {
super.prepareForInterfaceBuilder()
setupThisView()
contentView?.prepareForInterfaceBuilder()
}
//MARK:- Lifecycle methods
private func setupThisView(){
guard let view = loadViewFromNib() else { return }
view.frame = bounds
view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
addSubview(view)
contentView = view
}
func loadViewFromNib() -> UIView? {
let nibName = String(describing: TopView.self)
let bundle = Bundle(for: type(of: self))
let nib = UINib(nibName: nibName, bundle: bundle)
return nib.instantiate(withOwner: self,options: nil).first as? UIView
}
}
3.Add UIView in 故事板并将视图的类设置为TopView
If the TopView has not却出现在故事板那么(这通常会发生):
- Enable 编辑器 -> 自动刷新视图
- 点击Editor -> 刷新所有视图
Still?
- 清理项目:⌘ + K
- 构建项目⌘ + B
Result in Storyboard:
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