Leaving inputAccessoryView visible after keyboard is dismissed iOS8?

Question

I want to make behavior like messaging app. I have been browsing Stack Overflow for solutions for this, and indeed there are plenty:

Leaving inputAccessoryView visib

Answer 1

iOS8 has a retain cycle with the inputAccessoryView. Here's a good post that seems to have a good workaround:

http://derpturkey.com/uitextfield-docked-like-ios-messenger/