How to remove animation glitch ?

Question

Hi all ,

I am downloading and then parsing some data on separate thread and then updating my ui on main thread with the following code but in this scenario I am getting animation "glitch" . I have read this word somewhere .

- (void)didFinishParsing2:(NSArray *)appList
{


    [self performSelectorOnMainThread:@selector(handleLoadedApps2:) withObject:appList waitUntilDone:NO];

    self.queue = nil;   // we are finished with the queue and our ParseOperation

}


    - (void)handleLoadedApps2:(NSArray *)loadedApps{
        [activityLabel removeFromSuperview];

        self.controller.MyArray = (MyClass *)[arrMyArray objectAtIndex:0];
        [[MySharedClass sharedSource].detailSource setObject:self.controller.MyArray  forKey:someObject];

        self.controller.hidesBottomBarWhenPushed = YES;
        isPushed = YES;

        [[self navigationController] pushViewController:self.controller animated:YES];
    }

All the above code is working very fine . I am just getting a little animation glitch which is looking very bad .

what can be the possible causes of an animation glitch while updating the ui on main thread .

Can anyone tell me what I am doing wrong so that I can remove the animation glitch .