[英]SwiftUI Form picker with Image and Text
我的應用程序中有一個設置視圖,它為 select 提供了一個來自選擇器的值的選項,其中包含以下代碼:
var body: some View {
NavigationView {
Form {
Section(header: Text("Widget Settings")) {
Picker(selection: $chosenMediumType, label: Text("Medium Widget"), content: {
VStack {
Image(uiImage: UIImage(systemName: "sun.min")!).resizable().frame(width: 20, height: 20, alignment: .center)
Text("Sun")
}.tag(0)
VStack {
Image(uiImage: UIImage(systemName: "sunset")!).resizable().frame(width: 20, height: 20, alignment: .center)
Text("Sunset")
}.tag(1)
VStack {
Image(uiImage: UIImage(systemName: "moon")!).resizable().frame(width: 20, height: 20, alignment: .center)
Text("Moon")
}.tag(2)
})
.onChange(of: chosenMediumType) { print("Selected tag: \($0)") }
}
}
.navigationBarTitle("Settings")
}
}
當我單擊選擇器行時,它會打開選擇器頁面,我可以看到每一行都有圖像和文本,但在設置中,它會使行變大,如圖所示:
是否可以僅在設置頁面中使用文本,在選擇器視圖中使用圖像+文本?
我只是想向你展示你可以做到的方式,
只需隱藏整個選擇器,它將保持其內部沒有選擇器並覆蓋 HStack,內部堆棧制作一個開關盒,或者如果或任何你想要的
struct ContentView: View {
@State private var chosenMediumType = 0
var body: some View {
NavigationView {
Form {
Section(header: Text("Widget Settings")) {
Picker(selection: $chosenMediumType, label: Text("")
, content: {
VStack {
Image(uiImage: UIImage(systemName: "sun.min")!).resizable().frame(width: 20, height: 20, alignment: .center)
Text("Sun")
}.tag(0)
VStack {
Image(uiImage: UIImage(systemName: "sunset")!).resizable().frame(width: 20, height: 20, alignment: .center)
Text("Sunset")
}.tag(1)
VStack {
Image(uiImage: UIImage(systemName: "moon")!).resizable().frame(width: 20, height: 20, alignment: .center)
Text("Moon")
}.tag(2)
})
.hidden()
.overlay(
HStack(alignment: .center, spacing: nil, content: {
Text("Medium Widget")
Spacer()
switch chosenMediumType {
case 1:
Text("Sunset")
.foregroundColor(.gray)
case 2:
Text("Moon")
.foregroundColor(.gray)
default:
Text("Sun")
.foregroundColor(.gray)
}
})
)
.frame(height: 30)
}
}
.navigationBarTitle("Settings")
}
}
}
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