headerBuilder method

Widget headerBuilder(
  1. BuildContext context
)

Builds header inside LimitedBox. You can overwrite this method if you want to customize header.

Implementation

Widget headerBuilder(BuildContext context) => Padding(
      padding: EdgeInsets.all(10.0),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Center(
            child: LimitedBox(
              maxHeight: MediaQuery.of(context).size.height / 3 - 100.0,
              maxWidth: MediaQuery.of(context).size.width - 20.0,
              child: header,
            ),
          ),
        ],
      ),
    );