Illustration how to correctly use MVC in cocoa

Each time this kind of code get called in controller

[UIView animateWithDuration:0.3 animations:^{ 
    self.tableView.alpha = 0.0f;
    self.activityView.alpha = 0.0f;            
} completion:^(BOOL finished){
    self.tableView.hidden = YES;
    [self.tableView reloadData];
    self.activityView.hidden = YES;
}];

God kills a kitteh. Read more in my blog post