Here is a fully functional Cupertino modal dialog for your iOS projects:
CupertinoButton(
color: CupertinoColors.activeBlue,
child: Text('Open popup'),
onPressed: () {
showCupertinoDialog(
context: context,
builder: (context) => CupertinoAlertDialog(
title: Text('My message!'),
actions: [
CupertinoDialogAction(
child: Text('Close'),
onPressed: () => Navigator.pop(context)
),
],
)
);
},
)
Would like to see it in action? Hit Run!