buildBackbarItem method

Widget buildBackbarItem()

左侧的返回按钮

Implementation

Widget buildBackbarItem() {
  return GestureDetector(
    onTap: didTappedBackBarItem,
    child: Padding(
      padding: EdgeInsetsGeometry.directional(start: 20),
      child: Align(
        alignment: Alignment.centerLeft,
        child:
            backBarItem ??
            Image.asset(
              "assets/back_black.png",
              width: 24,
              height: 24,
            ),
      ),
    ),
  );
}