form text field with label on top flutter code example

Example 1: text form field flutter

TextFormField(
  decoration: InputDecoration(
    labelText: 'Enter your username'
  ),
);

Example 2: text field outline flutter

TextField(
              decoration: new InputDecoration(
                focusedBorder: OutlineInputBorder(
                  borderSide: BorderSide(color: Colors.greenAccent, width: 5.0),
                ),
                enabledBorder: OutlineInputBorder(
                  borderSide: BorderSide(color: Colors.red, width: 5.0),
                ),
                hintText: 'Mobile Number',
              ),