Reload data of UITableView in background

Question

In my app, I have a UITableViewController.

Its tableView is divided in 3 sections.

I download datas for each of those sections from my server. To do this, I have

Answer 1

In reloadDatas method you should change this line:

dispatch_queue_t concurrentQueue = dispatch_get_main_queue();

To:

dispatch_queue_t concurrentQueue = dispatch_queue_create("some queue", NULL);

But when you call [myDisplayedTable reloadData], you need to call this operation in the main queue.

dispatch_async(dispatch_get_main_queue(), ^{ [myDisplayedTable reloadData]; });