我正在尝试创建一个按钮,以便在导航到另一个视图之前执行一些操作。但是,如果我使用 Button,就无法导航到另一个视图,如果我使用 NavigationLink,除了导航之外,我什么也做不了。
我在下面添加按钮和导航链接。
我正在尝试使用此按钮进行 firebase 身份验证,在完成身份验证后,我想导航到另一个视图。
Button(action: {print("Hi")}) {
Text("Create Account")
.font(.system(size: 20))
.foregroundColor(Color("GreyLabel0"))
}
NavigationLink(destination: WelcomeView()) {
Text("Create Account")
.font(.system(size: 20))
.foregroundColor(Color("GreyLabel0"))
}
Run Code Online (Sandbox Code Playgroud) 我正在尝试在 SwiftUI 中更改 actionSheet 文本的颜色。无法这样做。我试过以下代码
private var actionSheet: ActionSheet {
let button1 = ActionSheet.Button.default(Text("Week 1").foregroundColor(.orange)) {
self.selectedShuffleWeek = "Week 1"
self.shufflePresented = true
self.actionSheetPresented = false
}
let button2 = ActionSheet.Button.default(Text("Week 2").foregroundColor(Color("GreenColor"))) {
self.selectedShuffleWeek = "Week 2"
self.shufflePresented = true
self.actionSheetPresented = false
}
let button3 = ActionSheet.Button.default(Text("Week 3").foregroundColor(Color("GreenColor"))) {
self.selectedShuffleWeek = "Week 3"
self.shufflePresented = true
self.actionSheetPresented = false
}
let dismissButton = ActionSheet.Button.cancel {
self.selectedShuffleWeek = ""
self.actionSheetPresented = false
}
let buttons = [button1, button2, button3, dismissButton] …Run Code Online (Sandbox Code Playgroud)