square/picasso — pull request #44 by mironov-nsk (2013-05-23 16:37:48+00:00)
Title: Fixed crash on Android 4.2.2 devices

Utils.calculateDiskCacheSize throws java.lang.IllegalArgumentException: Invalid path on Nexus 4 (Android 4.2.2) if cache directory doesn't exist. Calling cacheDir.mkdirs solves the problem.