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ЧАСТЫЕ ВОПРОСЫ

SWIFTUI

SwiftUi: выпадающий список

//вариант 1

struct myPicker1: View {

@State private var varD = 1

var body: some View {

Picker( selection: $varD,label: Text("Список")) {

HStack{Text("Зима")}.tag(1)

HStack{Text("Лето")}.tag(2)

}.pickerStyle(.menu)

}}


//вариант 2

struct myPicker2: View {

var body: some View {

Menu(){Button("Зима", action: {print(1)})

Button("Лето", action: {print(2)})

}label:{Label("Список",systemImage: "list.bullet")}.frame(minHeight:50).menuStyle(.borderlessButton)

}}


//вариант 3

struct myPicker3: View {

@State private var toggleStates = ToggleStates()

@State private var topExpanded: Bool = true

struct ToggleStates {

var oneIsOn: Bool = false

var twoIsOn: Bool = true

}

var body: some View {

DisclosureGroup("Список", isExpanded: $topExpanded) {

Toggle("Зима", isOn: $toggleStates.oneIsOn)

Toggle("Лето", isOn: $toggleStates.twoIsOn)

DisclosureGroup("Sub-items") {

Text("Sub-item 1")

}}

}}


//вариант4

enum Privacy: String, Identifiable, CaseIterable {

case open = "Зима"

case closed = "Лето"

var id: String { self.rawValue }

}

struct myPicker4: View {

@State var selection = Privacy.open

var body: some View {

Menu {

Picker(selection: $selection,label: Text("")) {

ForEach(Privacy.allCases) { value in

Text(value.rawValue)

.tag(value)

}

}

} label: {Text("\(selection.rawValue)")

}

}

}

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