Running in the Background
Run the sample app, and select the row called Perform Background. Notice that the five initial items in the table view are initially visible, and they are scrollable while the long-running tasks are being processed (view the debugging console to confirm that they are being processed while scrolling the table view). After the tasks are completed, the additional rows become visible.
This approach sets up the initial data in exactly the same way as the Main Thread approach. View ICFPerformBackgroundViewController in the sample app source code to see how it is set up. After the initial data is set up and the view is visible, the long-running task is started; this is where performing the task in the background is specified. ...
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