iphone developers the API is not publicly available, come in both points

As stated, there is no one studied ah?

Developed in XCode, is there any way you can use undocumented API?



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Not in any way, directly on the line, the premise is that you need to know the limitations of what kind of API.
If you use a useless public API, your application can not be posted on the Apple app store.
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Learn about


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Learning new hand
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Casual use, as long as you do not want to release.
Rather, as long as the new version of xcode4 private API that can be used in the software to use and can be easily released.

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I want to override UIApplication :: applicationsuspend (), how does it work?

How to include the header file? sdk with header files do not have this function.


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Really have not studied!
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Can be used, but not on the AppStore
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http://www.cocoachina.com/bbs/read.php?tid-56293-keyword-NSInvocation.html

Use NSInvocation seems that allows you to call seems not to be found api apple. . .
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iPhone Development Essentials pdf
Address: http://download.csdn.net/detail/wangxiangdong_sl/3620061
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Novice learning
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references, 5th Floor hslinux reply:

I want to override UIApplication :: applicationsuspend (), how does it work?

How to include the header file? sdk with header files do not have this function.

You want the program running in the background? This may be more trouble.
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You should be able to directly use this API, there is nothing wrong with it? ? Or your own research? ?
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Really can not publish?
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The application appstore, if detected using a proprietary api will be played back
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reference to the 14th floor zhanglei5415 reply:

when the appstore

application, if it is detected using a proprietary api will be played back

This is almost everyone knows.

The question now is not can not enter appstore,,, is how to use the undocumented api ...



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Like with other API's use.
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Have the opportunity to see