UX noob here...
I am trying to envision the vest way to present the user with actions he/she can perform in specific views of my iOS application.
Each view could have different actions.
I have seen a few apps (e.g., Google Calendar, Snapseed) implementing something similar to this:
Or alternatively this:
I there a particular name for these menus?
What is the best practice/approach for them in mobile apps?