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Asynchronous downloading again
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Asynchronous downloading again


  • Subject: Asynchronous downloading again
  • From: DKJ <email@hidden>
  • Date: Sat, 31 Oct 2009 15:34:08 -0700

I've got a series of data files that my app needs to download before the user can do anything. Because I want to have an activity indicator spinning while the download is in progress, I have to do asynchronous downloading. (Thanks to the list members who guided me to that epiphany.) So I'm going to use the NSURLConnection class to do the download.

Now I'm wondering if this will work: Suppose I want to download file1 and file2. (Again, the user can do nothing until both files are downloaded.) I use NSURLConnection to download file1. Then in the connectionDidFinishLoading delegate method, I do a synchronous download of file2, with something like stringWithContentsOfURL.

My idea is that the synchronous download of file2 would be taking place in a separate thread from the one that started the asynchronous download of file1. So, from the first thread's point of view, file2 is being downloaded asynchronously too.

Am I on the right track here? If so, it sure would simplify downloading all those files.

dkj

P.S. It's time for my semi-anual global "Thank You" to all those list members who've responded to my queries over the last six months.

    THANK YOU!
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