What is the Life Cycle of an iPhone application? [closed]

Answer 1

If you want to something more detail ,you can read the official document delivered by apple
It has been updated with iOS6.0
http://developer.apple.com/library/ios/#featuredarticles/ViewControllerPGforiPhoneOS/ViewLoadingandUnloading/ViewLoadingandUnloading.html

Answer 2

See also This post on Cocoanetics that present a very useful flowchart explaining the different calls to the AppDelegate methods during the app life cycle:

Answer 3

There's another simpler one in ios developer's cookbook

Answer 4

here is diagram image for understand Life Cycle (iPhone / Android)

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Edit: Here is the more detailed information from Apple Docs.

Part 1:

Part 2:

Reference

Also this one is for View Controller Life Cycle methods