deactivate method
Called when this object is removed from the tree.
https://api.flutter.dev/flutter/widgets/State/deactivate.html
Implementation
@protected
@mustCallSuper
void deactivate() {}
Called when this object is removed from the tree.
https://api.flutter.dev/flutter/widgets/State/deactivate.html
@protected
@mustCallSuper
void deactivate() {}