Created
June 9, 2023 21:42
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Quick UITextField » SwiftUI wrapper for textfield that forces emoji keyboard
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| import SwiftUI | |
| // UIKit-based text field that forces emoji keyboard as input mode. | |
| class UIEmojiTextField : UITextField { | |
| override var textInputMode: UITextInputMode? { | |
| return UITextInputMode.activeInputModes | |
| .filter { $0.primaryLanguage == "emoji" } | |
| .first | |
| } | |
| } | |
| // Wrap UIKit-based text field in view representable to provide to SwiftUI | |
| struct EmojiTextField : UIViewRepresentable { | |
| @Binding var text: String | |
| func makeUIView(context: Context) -> UIEmojiTextField { | |
| let textField = UIEmojiTextField() | |
| textField.text = text | |
| textField.delegate = context.coordinator | |
| textField.placeholder = "Enter Emoji 🙃" | |
| return textField | |
| } | |
| func updateUIView(_ uiView: UIEmojiTextField, context: Context) { | |
| uiView.text = text | |
| uiView.reloadInputViews() | |
| } | |
| func makeCoordinator() -> Coordinator { | |
| Coordinator(self) | |
| } | |
| class Coordinator: NSObject, UITextFieldDelegate { | |
| var textField: EmojiTextField | |
| init(_ textField: EmojiTextField) { | |
| self.textField = textField | |
| } | |
| func textFieldDidChangeSelection(_ textField: UITextField) { | |
| // probably need to do more here to limit the character set, can't prevent users | |
| // from changing keyboards and entering text. | |
| textField.text = textField.text ?? "" | |
| } | |
| } | |
| } | |
| struct ContentView: View { | |
| @State var emojiText: String = "" | |
| var body: some View { | |
| VStack { | |
| EmojiTextField(text: $emojiText) | |
| } | |
| .padding() | |
| } | |
| } |
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