Stack Text Form For Free

To change the value inside a TextField or TextFormField in Flutter, use a TextEditingController instance and set its text property to the new value. You can do this in response to user input or in code.

TextFormField , which integrates with the Form widget. The Form simply makes it easier to save, reset, or validate multiple fields at once. To use without a Form, pass a GlobalKey to the constructor and use GlobalKey. currentState to save or reset the form field.

Customize TextField or TextFormField border globally Locate the MaterialApp widget. Inside the MaterialApp, add the theme parameter with ThemeData class assigned. Inside the ThemeData add the inputDecorationTheme parameter and then assign the InputDecorationTheme .

By default, a TextField is decorated with an underline. You can add a label, icon, inline hint text, and error text by supplying an InputDecoration as the decoration property of the TextField . To remove the decoration entirely (including the underline and the space reserved for the label), set the decoration to null.

Validate the input by providing a validator() function to the TextFormField . If the user's input isn't valid, the validator function returns a String containing an error message. If there are no errors, the validator must return null. For this example, create a validator that ensures the TextFormField isn't empty.

You can wrap the childrens into Expanded Widget: Row( children: [ Expanded( flex: 3, child: Column( crossAxisAlignment: CrossAxisAlignment. start, children: [ const Padding( padding: EdgeInsets. fromLTRB(10, 0, 0, 5), child: Text( "Department", style: TextStyle( color: Colors.

Method 2: Alternatively, you can also do this without the autofocus attribute using the focus node like below: FocusNode myfocus = FocusNode(); Set the focus node to any TextField or TextFormField where you want to focus when the screen is opened.