ios - Swift Messaging App - Conversation UIScrollView Alignment -


i building messaging app using swift , parse.com.

i have been making progress, having trouble getting message bubbles align correctly in uiscrollview.

when begin conversation, message aligns bottom of scroller.

however, touch uiscrollview, message(s) pop top of frame.

i think understand why - recent message should align bottom when entire conversation longer scroller. but, when conversation shorter frame, should align top (like in imessage etc.).

i don't know how behave this.


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