Creating a floating menu in an iOS application

Question

Looking to create a floating menu in Swift for an iOS application I am developing. Something along the lines of the little red circle menu as shown in the following image. <

Answer 1

You could use view controller containment. The menu can be its own view controller with its view laid transparently over top the content view controller.

For example this can be set up in the storyboard by dragging out two container views into a vanilla view controller.