Picker support for iOS14 SwiftUI - swift

Question

I had my app working fine with SwiftUI and iOS13, and now I'm trying to add support to 14 and part of the app looks like this:
That gray are in the background shouldn't be there. I tried, setting the background to white inside the picker, removing some components, removing the frame and nothing works.
Here's the code:
ZStack {
if showingNewMealTime {
ZStack {
VStack(alignment: .center) {
ZStack{
Color.black.opacity(0.4)
.edgesIgnoringSafeArea(.vertical)
VStack(spacing: 20) {
Text("Change Time")
.bold().padding()
.frame(maxWidth: .infinity)
.background(Color.yellow)
.foregroundColor(Color.white)
HStack {
VStack {
Picker("", selection: $pickerHour){
ForEach(1..<12, id: \.self) { i in
Text("\(i)").tag(i)
}
}
.frame(width: 50, height: 120)
.clipped()
}
VStack {
Picker("", selection: $pickerMinutes){
ForEach(0..<60, id: \.self) { i in
Text("\(i)").tag(i)
}
}
.frame(width: 50, height: 120)
.clipped()
}
VStack {
Picker("", selection: $pickerAmOrPm[pickerAmOrPmSelection]){
ForEach(pickerAmOrPm, id: \.self) { i in
Text("\(i)").tag(i)
}
}
.frame(width: 50, height: 120)
.clipped()
}
}
Spacer()
Button(action: {
...
}){
Text("Save")
}
.padding(.horizontal)
.padding(.bottom, 30)
}
.frame(width:300, height: 300)
.background(Color.white)
.mask(RoundedRectangle(cornerRadius: 20))
.shadow(radius: 20)
}
}
}
}
}
What's changed and what do I have to fix to correct that gray area?
Thanks

Answer 1

Use the native DatePicker instead.
import SwiftUI
struct DatePickerView: View {
#State var date: Date = Date()
var body: some View {
VStack {
DatePicker("Date", selection: $date,
displayedComponents: .hourAndMinute)
.frame(height: 50)
Spacer()
}
.padding()
}
}
struct DatePickerView_Previews: PreviewProvider {
static var previews: some View {
DatePickerView()
}
}
Image showing the result of the above code
For more info:
SwiftUI DatePicker - swiftcompiled.com
Selecting dates and times with DatePicker - hackingwithswift.com
How to create a date picker and read values from it - hackingwithswift.com
DatePicker - Documentation
(Oct 11, 2020 Edit):
Edited adding links to more information.