SwiftUI inputAccesoryView Implementation

Question

I am trying to implement an inputAccessoryView on a TextField in SwiftUI. The goal is to have a \"Done\" Button appear above the Keyboard which when pressed gets rid of the

Answer 1

I use this code multi line textfield.

SwiftUI
Swift5
Version 11.3 (11C29)

struct MultiLineTextField: UIViewRepresentable {
    @Binding var text: String
    let onEditingChanged: (Bool) -> Void

    init(text: Binding, onEditingChanged: @escaping (Bool) -> Void = {_ in}) {
        self._text = text
        self.onEditingChanged = onEditingChanged
    }

    func makeCoordinator() -> MultiLineTextField.Coordinator {
        return MultiLineTextField.Coordinator(parent1: self)
    }

    func makeUIView(context: UIViewRepresentableContext) -> UITextView {
        let textView = UITextView()

        textView.isEditable = true
        textView.isUserInteractionEnabled = true
        textView.isScrollEnabled = true

        textView.font = .systemFont(ofSize: 20)
        textView.delegate = context.coordinator
        textView.text = self.text

        /******* toolbar add **********/

        let toolbar = UIToolbar()
        toolbar.setItems(
            [
                UIBarButtonItem(
                    title: "Done",
                    style: UIBarButtonItem.Style.done,
                    target: self,
                    action: nil
                )
            ]
            , animated: true
        )
        toolbar.barStyle = UIBarStyle.default
        toolbar.sizeToFit()

        textView.inputAccessoryView = toolbar

        /******* toolbar add **********/

        return textView
    }

    func updateUIView(_ uiView: UITextView, context: UIViewRepresentableContext) {
        if uiView.text != self.text {
            uiView.text = self.text
        }
    }

    class Coordinator: NSObject, UITextViewDelegate {
        var parent: MultiLineTextField
        let onEditingChanged: (Bool) -> Void

        init(parent1: MultiLineTextField, onEditingChanged: @escaping (Bool) -> Void = {_ in}) {
            self.parent = parent1
            self.onEditingChanged = onEditingChanged
        }

        func textViewDidChange(_ textView: UITextView) {
            self.parent.text = textView.text
        }

        func textViewDidBeginEditing(_ textView: UITextView) {
            onEditingChanged(true)
        }

        func textViewDidEndEditing(_ textView: UITextView) {
            onEditingChanged(false)
        }
    }
}