searchResultsTitle in UISearchDisplayController not working

Question

I want to customize "No Results" string in UISearchDisplayController. In documentation you can find that UISearchDisplayController has property searchResultsTitle that as I thought should change this string, but it doesn't work.
Please help with customization "No Results" string in iOS 5 and above. And why searchResultsTitle doesn't work?

Answer 1

The searchResultsTitle property of UISearchDisplayController does not actually controls the No Results text. If you look at the instance variables of UISearchDisplayController you will see both _resultsTitle and _noResultsMessage. The _noResultsMessage is what controls the No Results text but has unfortunately no public property.

You can nevertheless set a custom message with this code using the undocumented instance variable:

@try
{
    [self.searchDisplayController setValue:@"No Results, try again later." forKey:[@[@"no", @"Results", @"Message"] componentsJoinedByString:@""]];
}
@catch (NSException *exception) {}

As for searchResultsTitle, the documentation is so scarce that I have no idea what it controls!