What is the life cycle of an iPhone app?

Question

Can anyone explain what the iPhone life cycle process is? that is, from the beginning to the end of the application life cycle.

Answer 1

See also This Cocoanetics post , which provides a very useful flow chart explaining various calls to AppDelegate methods throughout the application life cycle:

Answer 2

Here is an image of a chart for understanding the life cycle (iPhone / Android)

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Edit: Here are more details from Apple Docs .

Part 1:

Part 2:

Link

This method is also intended for view controller lifecycle methods.

Answer 3

There's another example in the ios developers cookbook

Answer 4

If you want something in more detail, you can read the official document provided by apple
It is updated iOS6.0
http://developer.apple.com/library/ios/#featuredarticles/ViewControllerPGforiPhoneOS/ViewLoadingandUnloading/ViewLoadingandUnloading.html