CupertinoNavigationBarBackButton constructor
- Key? key,
- Color? color,
- String? previousPageTitle,
- VoidCallback? onPressed,
Construct a CupertinoNavigationBarBackButton that can be used to pop the current route.
Implementation
const CupertinoNavigationBarBackButton({
  super.key,
  this.color,
  this.previousPageTitle,
  this.onPressed,
}) : _backChevron = null,
     _backLabel = null;