When I push from a navigation controller (which is embed in a tabbar controller) to a new tabbar controller.
There is an issue here, the new tabbar controller is short than normal.
You can see the black rectangle under the tabbar of new tabbar controller.
And in the view hierarchy:
How to solve this issue here?
If can not, how to avoid this issue? I want from a tabbar controller push to a new tabbar controller.