Upvote:1 

dispatch_async(dispatch_get_main_queue(), ^{
    UIAlertView *av = [[UIAlertView alloc] initWithTitle:@"Success!"
                                                 message:@"Online sync is now enabled."
                                                delegate:self
                                       cancelButtonTitle:@"OK"
    [av show];
});

More Answer related to the Same Query

Upvote:1 

[[self navigationController] popToRootViewControllerAnimated:YES];

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