UIAlertView with RAC signal block

gistfile1.m

- (void)askListName {
	UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"List Name"
													   message:@"Desired Name for your new List?"
													  delegate:self
											 cancelButtonTitle:@"Cancel"
											 otherButtonTitles:@"Create", nil];
	[alertView setAlertViewStyle:UIAlertViewStylePlainTextInput];
	[alertView.rac_buttonClickedSignal subscribeNext:^(NSNumber *buttonIndex) {
		if ([buttonIndex isEqual:@1]) {
			[[MWGListsManager sharedInstance] addListWithName:[[alertView textFieldAtIndex:0] text]];
		}
	}];
	[alertView show];
}