在我的代码中,我设置了4个按钮,每次按下一个按钮时,它会像单选按钮一样切换状态。我的目标是,在按下其中一个按钮时将所有其他按钮变为灰色。同时只能有一个按钮呈绿色或处于活动状态。
struct hzButton: View {
var text: String
@State var didTap: Bool
var body: some View {
Button(action: {
if self.didTap == true{
self.didTap = false
}else{
self.didTap = true
}
selectFreq(frequency: self.text)
}) {
Text(text)
.font(.body)
.fontWeight(.semibold)
.foregroundColor(Color.white)
.multilineTextAlignment(.center)
.padding(.all)
.background(didTap ? Color.green : Color.gray)
.cornerRadius(6.0)
}
.frame(width: nil)
}
}
struct Row: Identifiable {
let id = UUID()
let headline: String
let numbers: [String]
}
struct ContentView: View {
var rows = [
Row(headline: "", numbers: ["250","500","750","1000"]),
]
var body: some View {
HStack {
ForEach(rows) { row in
HStack {
ForEach(row.numbers, id: \.self) { text in
hzButton(text: text, didTap: false)
}
}
}
}
}
}