SwiftUI：点击显示 UIMenuController或等效的？

问题描述

我的应用中有一个 SwiftUI Text 视图，我想在我点击它时显示 UIMenuController 或其等效的 SwiftUI。我可以通过向我的视图添加 onTapGesture 块来成功捕获点击操作，但我找不到任何显示如何显示菜单的示例。是否有等效于 UIMenuController 的 SwiftUI？我需要为它创建整个 UIViewRepresentable 吗？

解决方法

如果您想要点击显示的菜单，则有 Menu：

import SwiftUI

struct ContentView: View {
    @State private var selection = "?"

    var body: some View {
        VStack {
            Menu(
                content: {
                    Button("♥️ - Hearts") {
                        selection = "♥️"
                    }
                    Button("♣️ - Clubs") {
                        selection = "♣️"
                    }
                    Button("♠️ - Spades") {
                        selection = "♠️"
                    }
                    Button("♦️ - Diamonds") {
                        selection = "♦️"
                    }
                },label: {
                    Text("Favorite Card Suit: \(self.selection)")
                }
            )
        }
    }
}

,

SwiftUI 中有一个 contextMenu 辅助视图

struct ContentView: View {
    @State private var fave = "?"
    var body: some View {
        VStack {
            Text("Favorite Card Suit")
                .padding()
                .contextMenu {
                    Button("♥️ - Hearts",action: selectHearts)
                    Button("♣️ - Clubs",action: selectClubs)
                    Button("♠️ - Spades",action: selectSpades)
                    Button("♦️ - Diamonds",action: selectDiamonds)
            }

            Text("Your favourite is")
            Text(fave)
        }
    }

    func selectHearts() {
        fave = "♥️"
    }
    func selectClubs() {
        fave = "♣️"
    }
    func selectSpades() {
        fave = "♠️"
    }
    func selectDiamonds() {
        fave = "♦️"
    }
}

您甚至不必听水龙头，只需长按即可调出菜单。