onTap method

Widget onTap(
  1. VoidCallback? onTap
)

添加点击事件，自动构建 Flex 并包装 GestureDetector

Implementation

Widget onTap(VoidCallback? onTap) {
  return GestureDetector(
    onTap: onTap,
    child: build(), // 自动调用build()
  );
}