outline input border textfield change color flutter code example

Example 1: change border color of TextField in flutter

TextFormField(
        decoration: InputDecoration(
          labelText: "Resevior Name",
          fillColor: Colors.white,
          focusedBorder:OutlineInputBorder(
            borderSide: const BorderSide(color: Colors.white, width: 2.0),
            borderRadius: BorderRadius.circular(25.0),
          ),
        ),
      )

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',
              ),