How is the iPhone SMS compose view implemented?

Answer 1

Searching stackoverflow for "uitextView size" produces these results:

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

http://stackoverflow.com/questions/728704/resizing-uitextview

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Searching stackoverflow for "keyboard iPhone" produces this result:

http://stackoverflow.com/questions/158574/programatically-align-a-toolbar-on-top-of-the-iphone-keyboard

Answer 2

TTTextEditor is an autosize text box, which is part of the three20 framework