addAutomaticKeepAlives property

bool addAutomaticKeepAlives

In Android pull to refresh only work if total height height < height of screen => physics = AlwaysScrollableScrollPhysics if total height of item > height of screen => physics = BouncingScrollPhysics || AlwaysScrollableScrollPhysics default physics = AlwaysScrollableScrollPhysics

Implementation

final bool addAutomaticKeepAlives;