becomeFirstResponder works in viewDidAppear but doesn't work in viewDidLoad

Question

My Application has a modal view controller, including a search bar. When the view comes up, I want the search bar to be focused. I tried [self.searchBar becomeFirstRespond

Answer 1

This will help:

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.quantifyTextField becomeFirstResponder];
    });
}