Connection notification to resume NSOperationQueue

I need to download some images from the Internet and right now I'm using NSOperationQueue.

I want to know if it is possible to receive an Internet connection notification to be able to pause/resume the download.

I don't need to freeze the download, but just being able to put it (the NSOperation) back on the queue and wait for connection to start it again would be开发者_Python百科 awesome.

Any ideas? :)

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After checking for reachability, you can set the NSOperationQueue length to 0 if it's not reachable. That way you can effectively pause it.

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See this link for further help. You could use the code with apple documentation listed. WAN detection and airport detection is shown in the code. http://developer.apple.com/library/ios/#samplecode/Reachability/Introduction/Intro.html