Below are two options for a multiple selection widget. The dropdown is very similar to Gmail when you add multiple recipients. The shuttle control is very common in a lot of enterprise software which is what I'm designing for. What do you guys think of each option? What are the pros and cons of each one? Thanks a lot!
While the dropdown looks more simple, I would go for the second option. The reasons are:
I can see just one disadvantege, which is triggering a new view in general, but I think it is not important considering the pros.
By the way, in my opinion it will be more natural if you put the Cancel and [Done] (in this order) in the bottom right corner. Refer to this question: Submit Buttons on the Left or the Right?