Can we disable copy/paste options of Textfield in SwiftUI? - ios

Question

I want to disable the option of copy/paste from my Textfield in SwiftUI. How to achieve that?

Answer 1

This works for me:
Using UITextField conforms to UIViewRepresentable.
import SwiftUI
struct ContentView: View {
#State private var text = ""
var body: some View {
VStack {
Text(text)
UITextFieldViewRepresentable(text: $text) // Using it
.frame(height: 44)
.border(.red)
}
}
}
// MARK: UITextFieldViewRepresentable
struct UITextFieldViewRepresentable: UIViewRepresentable {
#Binding var text: String
typealias UIViewType = ProtectedTextField
func makeUIView(context: Context) -> ProtectedTextField {
let textField = ProtectedTextField()
textField.delegate = context.coordinator
return textField
}
// From SwiftUI to UIKit
func updateUIView(_ uiView: ProtectedTextField, context: Context) {
uiView.text = text
}
// From UIKit to SwiftUI
func makeCoordinator() -> Coordinator {
return Coordinator(text: $text)
}
class Coordinator: NSObject, UITextFieldDelegate {
#Binding var text: String
init(text: Binding<String>) {
self._text = text
}
func textFieldDidChangeSelection(_ textField: UITextField) {
text = textField.text ?? ""
}
}
}
// Custom TextField with disabling paste action
class ProtectedTextField: UITextField {
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
if action == #selector(paste(_:)) {
return false
}
return super.canPerformAction(action, withSender: sender)
}
}

Answer 2

Use UIViewRepresentable class make wrapper class like this.
import SwiftUI
struct CustomeTextField: View {
#State var textStr = ""
var body: some View {
VStack(spacing: 10) {
Text("This is textfield:")
.font(.body)
.foregroundColor(.gray)
TextFieldWrapperView(text: self.$textStr)
.background(Color.gray)
.frame(width: 200, height: 50)
}
.frame(height: 40)
}
}
struct TextFieldWrapperView: UIViewRepresentable {
#Binding var text: String
func makeCoordinator() -> TFCoordinator {
TFCoordinator(self)
}
}
extension TextFieldWrapperView {
func makeUIView(context: UIViewRepresentableContext<TextFieldWrapperView>) -> UITextField {
let textField = UITextField()
textField.delegate = context.coordinator
return textField
}
func updateUIView(_ uiView: UITextField, context: Context) {
}
}
class TFCoordinator: NSObject, UITextFieldDelegate {
var parent: TextFieldWrapperView
init(_ textField: TextFieldWrapperView) {
self.parent = textField
}
func canPerformAction(action: Selector, withSender sender: AnyObject?) -> Bool {
if action == #selector(UIResponderStandardEditActions.paste(_:)) {
return false
}
return canPerformAction(action: action, withSender: sender)
}
}