buildBackButton method

Widget buildBackButton(BuildContext context)

The back button for the preview section. 预览区的返回按钮

Implementation

Widget buildBackButton(BuildContext context) {
  return Semantics(
    sortKey: const OrdinalSortKey(0),
    child: Padding(
      padding: const EdgeInsets.all(10),
      child: IconButton(
        onPressed: () {
          if (isSavingEntity) {
            return;
          }
          if (previewFile.existsSync()) {
            previewFile.delete();
          }
          Navigator.of(context).pop();
        },
        padding: EdgeInsets.zero,
        constraints: BoxConstraints.tight(const Size.square(28)),
        tooltip: MaterialLocalizations.of(context).backButtonTooltip,
        iconSize: 18,
        icon: Container(
          padding: const EdgeInsets.all(5),
          decoration: const BoxDecoration(
            color: Colors.white,
            shape: BoxShape.circle,
          ),
          child: const Icon(
            Icons.keyboard_return_rounded,
            color: Colors.black,
          ),
        ),
      ),
    ),
  );
}