buildBackButton method

Widget buildBackButton(
  1. BuildContext context
)

The back button. 返回键

Implementation

Widget buildBackButton(BuildContext context) {
  return IconButton(
    onPressed: () => Navigator.of(context).maybePop(),
    tooltip: MaterialLocalizations.of(context).backButtonTooltip,
    icon: const Icon(Icons.clear),
  );
}