将SwiftUI视图添加到现有的选项卡栏控制器可以通过以下步骤实现:
View
协议创建一个自定义视图。例如,创建一个名为MySwiftUIView
的新视图。import SwiftUI
struct MySwiftUIView: View {
var body: some View {
Text("Hello, SwiftUI!")
}
}
UIHostingController
将SwiftUI视图包装起来,并将其设置为选项卡的根视图控制器。import UIKit
import SwiftUI
class FirstViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let mySwiftUIView = MySwiftUIView()
let hostingController = UIHostingController(rootView: mySwiftUIView)
addChild(hostingController)
view.addSubview(hostingController.view)
hostingController.view.translatesAutoresizingMaskIntoConstraints = false
hostingController.view.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
hostingController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
hostingController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
hostingController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
hostingController.didMove(toParent: self)
}
}
这样,你就成功地将SwiftUI视图添加到现有的选项卡栏控制器中了。
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