如何禁用NavigationStack推动动画

发布于 2025-02-12 18:53:19 字数 883 浏览 1 评论 0原文

我希望立即出现的视图。而不是默认的iOS推动动画。

此方法使用与NavigationView + navigationLink一起使用。 iOS 16弃用navigationView

enum Nav {
    case a
}

struct ContentView: View {
    @State var nav: [Nav] = []
    
    var body: some View {
        NavigationStack(path: $nav) {
            Button {
                var transaction = Transaction()
                transaction.disablesAnimations = true
                withTransaction(transaction) {
                    nav = [.a] // Doesn't work. Still animates
                }
            } label: {
                Text("Go to a")
            }
                .navigationDestination(for: Nav.self) { path in
                    switch path {
                    case .a:
                        Text("a")
                    }
                }
        }
    }
}

原文

I'd like the view to instantly appear. Instead of the default iOS push animation.

This method USED to work with a NavigationView + NavigationLink. iOS 16 deprecated NavigationView

enum Nav {
    case a
}

struct ContentView: View {
    @State var nav: [Nav] = []
    
    var body: some View {
        NavigationStack(path: $nav) {
            Button {
                var transaction = Transaction()
                transaction.disablesAnimations = true
                withTransaction(transaction) {
                    nav = [.a] // Doesn't work. Still animates
                }
            } label: {
                Text("Go to a")
            }
                .navigationDestination(for: Nav.self) { path in
                    switch path {
                    case .a:
                        Text("a")
                    }
                }
        }
    }
}

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羁客 2025-02-19 18:53:19

这看起来像是一个错误，值得向苹果提交反馈。

同时，这是可能的解决方法。用Xcode 14B2 / iOS测试16

Button {
    UIView.setAnimationsEnabled(false)

        nav = [.a]

    DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
        UIView.setAnimationsEnabled(true)
    }
} label: {
  // ...

This looks like a bug and worth submitting feedback to Apple.

Meanwhile here is a possible workaround. Tested with Xcode 14b2 / iOS 16

Button {
    UIView.setAnimationsEnabled(false)

        nav = [.a]

    DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
        UIView.setAnimationsEnabled(true)
    }
} label: {
  // ...

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