iOS SearchBar Delegate code in Objective-C

searchBarDelegate

#pragma mark - SearchBar delegate methods

- (void) doSearch:(NSString *)searchText {
	[self.filteredEntries removeAllObjects];
	
    if ( [searchText length] == 0 ) {
		[self.filteredEntries addObjectsFromArray:self.entries];
	} else {
    	for (NSDictionary *entry in self.entries) {
			NSString *name = (NSString *)[entry objectForKey:@"fullName"];
        	NSRange range = [[name lowercaseString] rangeOfString:[searchText lowercaseString]];
            if ( range.location != NSNotFound )
            	[self.filteredEntries addObject:entry];
		}
	}
	[self.tableView reloadData];
}


- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {
	if ( [searchText length] > 0 )
	{
		[self showCancelButton:YES];
	}
	else {
		[self showCancelButton:NO];
		[searchBar resignFirstResponder];
	}
	[self doSearch:searchText];
}


- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar
{
	[self showCancelButton:YES];
}

- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar
{
	if ( [searchBar.text length] > 0 )	[self showCancelButton:YES];
	else								[self showCancelButton:NO];
	[self doSearch:_searchBar.text];
}


- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
{
	[searchBar resignFirstResponder];
	[self showCancelButton:NO];
}


- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
{
	[searchBar resignFirstResponder];
	searchBar.text = @"";
	[self showCancelButton:NO];
	[self.filteredEntries removeAllObjects];
	[self.filteredEntries addObjectsFromArray:self.entries];
    [self.tableView reloadData];
	[[UIApplication sharedApplication] setStatusBarHidden:YES];
}