Alan Wu

Thank you for answering the question. See the video below for my problems. There are five alphatileviews. When I click, I will switch and save the point of the previous...

https://github.com/flutterchina/flutter_in_action_2nd/issues/144

https://github.com/flutterchina/flutter_in_action_2nd/issues/137

好的我看一下