Very old thread, but this seems neater and strips out non-numeric characters if pasted. // force the field to be numeric only textField.textProperty().addListener(new ChangeListener<String>() { @Override public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) { if (!newValue.matches(“\\d*”)) { textField.setText(newValue.replaceAll(“[^\\d]”, “”)); } } });
There is another way this can be achieved which also does not cause this issue. Hope this might help someone. Create AlwaysDisabledFocusNode and pass it to the focusNode property of a TextField. class AlwaysDisabledFocusNode extends FocusNode { @override bool get hasFocus => false; } then new TextField( enableInteractiveSelection: false, // will disable paste operation focusNode: … Read more
Screenshot: Just use: textInputAction: TextInputAction.next: To move the cursor to the next field. textInputAction: TextInputAction.done: To close the keyboard. @override Widget build(BuildContext context) { return Scaffold( body: Column( children: <Widget>[ TextField( decoration: InputDecoration(hintText: ‘TextField A’), textInputAction: TextInputAction.next, // Moves focus to next. ), TextField( decoration: InputDecoration(hintText: ‘TextField B’), textInputAction: TextInputAction.next, // Moves focus to next. … Read more
To adjust the width, you could wrap your TextField with a SizedBox widget, like so: const SizedBox( width: 100.0, child: TextField(), ) I’m not really sure what you’re after when it comes to the height of the TextField but you could definitely have a look at the TextStyle widget, with which you can manipulate the … Read more
Swift UI 3 As of Xcode 13, you can use the focused modifier to make a view become first responder. Swift UI 1/2 It doesn’t seem to be possible at the moment, but you can implement something similar yourself. You can create a custom text field and add a value to make it become first … Read more
You can force the first responder to resign by sending an action to the shared application: extension UIApplication { func endEditing() { sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil) } } Now you can use this method to close the keyboard whenever you desire: struct ContentView : View { @State private var name: String = … Read more
iOS 16 – beta TextFields can be configured to expand vertically using the new axis parameter. Also it takes the lineLimit modifier to limit the lines in the given range: TextField(“Title”, text: $text, axis: .vertical) .lineLimit(5…10) But the lineLimit modifier now also supports more advanced behaviors, like reserving a minimum amount of space and expanding … Read more
Updated Answer resizeToAvoidBottomPadding is now deprecated. The updated solution is to set resizeToAvoidBottomInset property to false. Original Answer In your Scaffold, set resizeToAvoidBottomPadding property to false.
Do it like this: TextField( decoration: new InputDecoration.collapsed( hintText: ‘Username’ ), ), or if you need other stuff like icon, set the border with InputBorder.none InputDecoration( border: InputBorder.none, hintText: ‘Username’, ), ),
You can use a TextFormField instead of TextField, and use the initialValue property. for example TextFormField(initialValue: “I am smart”)