在我的代码下面,我有一个设置,其中有4个按钮,每当我按下一个按钮时,它就相当于一个切换按钮(如单选按钮)。我想要实现的是在按下其中一个按钮时将所有其他按钮变成灰色。一次只能一个按钮为绿色或活动状态。
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)
}
}
}
}
}
}