After adding example code i getting this and when i remove it ,error goes away.

[TouseefAQ]

../../../Frameworks/flutter/.pub-cache/hosted/pub.dartlang.org/language_pickers-0.2.0+1/lib/utils/my_alert_dialog.dart:139:36: Error: Method not found: 'ButtonTheme.bar'.
children.add(new ButtonTheme.bar(

[hadjtahar-khaled]

hello ,
have the same error . did you find the solution to this problem??