How to use zIndex in react-native

Question

I\'ve want to achieve the following:

The following images are what I can do right now, but that\'s NOT what I want.

Sample of code I have right now

Answer 1

I finally solved this by creating a second object that imitates B.

My schema now looks like this:

I now have B1 (within parent of A) and B2 outside of it.

B1 and B2 are right next to one another, so to the naked eye it looks as if it's just 1 object.