hi... I try to add button inside the view controller, its seems didn't work for me, here an image of the example: <img width="1116" alt="Screenshot 2019-09-18 at 2 12 36 PM" src="https://user-images.githubusercontent.com/22884210/65119339-b7db7e00-da1e-11e9-8e80-8416db6d4967.png">