sm method

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

sm: - 小屏幕断点（640px） ⚠️ 部分支持：通过 MediaQuery 实现

Implementation

Widget sm(Widget Function(BuildContext context) builder) {
  return Builder(
    builder: (context) {
      final width = MediaQuery.of(context).size.width;
      if (width >= 640) {
        return builder(context);
      }
      return this;
    },
  );
}