我正在try 在Xcode 14 beta版和iOS 16版中为我的view controller创建Xcode预览.每当我运行代码时,它都会在对话框中抛出一些Xcode预览错误,并使预览崩溃.我没有使用故事板,所以我只是以编程方式加载ViewController2.
import Foundation
import UIKit
import SwiftUI
final class ViewController2: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = UIColor.green
}
}
struct ViewController2_Previews: PreviewProvider {
static var previews: some View {
ViewController2()
}
}
extension ViewController2: UIViewControllerRepresentable {
func makeUIViewController(context: Context) -> ViewController2 {
ViewController2()
}
func updateUIViewController(_ uiViewController: ViewController2, context: Context) {
}
}