Answers for "The argument type 'Widget' can't be assigned to the parameter type 'ObstructingPreferredSizeWidget?"

The argument type 'Widget' can't be assigned to the parameter type 'ObstructingPreferredSizeWidget?

final PreferredSizeWidget appbar = (Platform.isIOS ? CupertinoNavigationBar() : AppBar()) 
                                   as PreferredSizeWidget;

Posted by: Guest on April-19-2022

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