How do I remove content padding from TextField?

Question

I am new to flutter and I am creating login form, for that I have used TextField and added prefix icon but I am getting some extra spaces in between textfields (user id and pin

Answer 1

By applying minus padding by using

transform: Matrix4.translationValues(-10.0, 0.0, 0.0),

put above line inside the icon container

TextFormField(
          keyboardType: TextInputType.number,
          style: new TextStyle(color: Colors.white, fontSize: 17),
          decoration: new InputDecoration(
              prefixIcon: Container(
                transform: Matrix4.translationValues(-10.0, 0.0, 0.0),
                child: Icon(
                  Icons.vpn_key,
                  color: Colors.white,
                ),
              ),
              labelText: "Enter Password",
              labelStyle: new TextStyle(color: Colors.white)),
        ),