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Learning Mobile App Development: A Hands-on Guide to Building Apps with iOS and Android by Michael Eierman, Jakob Iversen

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Keeping Up with the Platform

Both Apple and Google make changes to their respective operating systems on a regular basis. This can be challenging for developers with apps “in the wild.” Updates to the operating system can, and although infrequently, do disrupt apps that previously ran fine. To avoid problems with users of your app or to prevent getting bad reviews in the app stores, it pays to keep on top of platform changes.

Keeping up with changes to the OS is not rocket science, but it does require diligence. At a minimum, as soon as the new OS is released, you should recompile your app to include the new version as a target. Correct any errors that occur when you do this until you get a new version that can be tested on an actual device. ...

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