Mine doesn't hang forever, it eventually finishes. But since updating to final 2.0 and loading a few apps from the app store, it is taking on avg > 75 seconds per "Build and Go" to run the app on the iphone.
Sync with iTunes, delete all your applications (or at least the largest) from your iPod, do your development, then sync back with iTunes to restore your apps. (Test by deleting a single free app first to make sure you've got the restore process working.)
The larger the space your installed apps take up, the longer it takes for the application map.
Same problem here. I am trying deleting all my apps from my development iphone. related question: Why does syncing from itunes backup the iphone every single time I sync? between these two issues, I am seriously getting bogged down.
Created a backup in iTunes. Restored in Xcode/Organizer. Created a new profile in iTunes (rather than restoring from the backup I just made). App installation time dropped from about 3 minutes to less than 30 seconds. I had 2 full pages of apps and apparently that was enough to slow the application map generation to a crawl. When I'm done with development/testing I'll restore my backup.
While this does "solve" the problem, it just creates another. If I only had a few apps, this would be fine, but with my 25 or so apps installed, I need to "Build and Go" many times to make up the time it takes to restore my apps to the state they were in before deleting them. I do hope this is fixed in a future XCode update.
The problem with uninstalling all apps on the iPhone prior to testing is that app data is removed too, which is a problem if you don't want to lose the data that an app has stored. I'm hoping that Apple is working on a better solution because right now it takes about three or four minutes each time I want to test a build on the iPhone.
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Hangs while Generating Application Map
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