Looking for an easy custom View for SwiftUI:picker - optimization

Question

Has anyone created a custom View to use a picker? I would like to use many pickers without clogging my view definition.

Answer 1

Here is my easy to use custom view to use SwiftUI picker:
import SwiftUI
struct MyPicker : View {
#State var title:String = ""
#State var display:Bool = false
#State var chosenItem:Int = 0
var choices:[String] = []
var setPickerValue:(Int)->Void
var body: some View {
HStack {
Text("\(title)")
Button(action: {
self.display.toggle()
}) {
Text("\(choices[chosenItem])")
}
if display {
Picker(selection: $chosenItem, label:Text("")) {
ForEach(0 ..< choices.count) {
Text(self.choices[$0])
}
}
.onTapGesture{
self.display.toggle()
self.setPickerValue(self.chosenItem)
}
}
}
}
init(t:String, c:[String], initChoice: Int, funcSetValue:#escaping (Int)->Void) {
_title = State(initialValue: t)
choices = c
_chosenItem = State(initialValue: initChoice)
setPickerValue = funcSetValue
}
}
struct MyView : View {
#State var imageChoice:Int = 0
var imageList:[String] = ["imageOne", "imageTwo", "imageThree"]
var body: some View {
MyPicker(t:"Images", c:imageList, initChoice:0, funcSetValue:setImageChoice)
}
func setImageChoice(v:Int) -> Void {
imageChoice = v
}
}