buildElevatedButton method Null safety

dynamic buildElevatedButton(
  1. BuildContext context,
  2. String title,
  3. void onPressedFunction(
      )
    )

    Builds an elevated button that has a title and an onPressedFunction callback.

    Returns a SizedBox.

    Implementation

    static buildElevatedButton(BuildContext context, String title, void Function() onPressedFunction) {
  return SizedBox(
    width: Sizes.getLoginStyleSize(context).width,
    child: ElevatedButton(
      onPressed: onPressedFunction,
      style: ElevatedButton.styleFrom(
        foregroundColor: Colors.white, backgroundColor: Colors.transparent, padding: const EdgeInsets.all(0.0),
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(80.0)),
      ),
      child: Ink(
        decoration: BoxDecoration(
            gradient: LinearGradient(colors: CustomColors.loginRegisterColors(),
              begin: Alignment.topLeft,
              end: Alignment.bottomRight,
            ),
            borderRadius: BorderRadius.circular(30.0)
        ),
        child: Container(
          width: Sizes.getLoginStyleSize(context).width,
          height: Sizes.getLoginStyleSize(context).height,
          alignment: Alignment.center,
          child: Text(title, style: (Sizes.getScreenSize(context).width < 400) ? Theme.of(context).textTheme.bodyText1 : Theme.of(context).textTheme.headline2),
        ),
      ),
    ),
  );
}