portrait method

Widget portrait(
  1. Widget builder(
    1. BuildContext context
    )
)

portrait: - 竖屏方向

Implementation

Widget portrait(Widget Function(BuildContext context) builder) {
  return Builder(
    builder: (context) {
      final orientation = MediaQuery.of(context).orientation;
      if (orientation == Orientation.portrait) {
        return builder(context);
      }
      return this;
    },
  );
}