oreillymedia/iOS7_Programming_Cookbook — pull request #2 by Artwalk (2014-08-24 14:13:29+00:00)
Title: fixed: crash when clicking the 'Use Video' button

Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFConstantString isFileURL]: unrecognized selector sent to instance