Choppy Scrolling

[xnapp]

Hi,

I'm using the footer view of a UITableView to house 2 buttons. However, the scrolling up and done seems to be rather choppy. The code I'm using at the moment is:

-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section {
	if(footerView == nil) {
		footerView = [[UIView alloc] init];
	}
	if(section == 4) {
		UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
		[button setFrame:CGRectMake(10, 5, 115, 40)];
		[button setTitle:@"Where am I?" forState:UIControlStateNormal];
		[button setBackgroundColor: [UIColor clearColor]];
		[button addTarget:self action:@selector(showInMapApp:) forControlEvents:UIControlEventTouchUpInside];
		/*UIButton *makeContact = [UIButton buttonWithType:UIButtonTypeRoundedRect];
		[makeContact setFrame:CGRectMake(135, 5, 150, 40)];
		[makeContact setTitle:@"Create new contact" forState:UIControlStateNormal];
		[makeContact setBackgroundColor: [UIColor clearColor]];
		[makeContact addTarget:self action:@selector(createNewContact:) forControlEvents:UIControlEventTouchUpInside];*/
		[footerView addSubview:button];
		//[footerView addSubview:makeContact];
		return footerView;
		[footerView release];
	} else
		return nil;
	[footerView release];
}

I'd appreciate any help into why it's so choppy in the scrolling

[jsd]

You're creating and adding a new button every time the table scrolls even a little bit. Create the view once (try doing it in IB! it's fast and easy) then just return it out of your function.

[xnapp]

I'd prefer to do it in XCode. Is there no way to only make it run once without using interface builder.

[jsd]

Originally Posted by xnapp

I'd prefer to do it in XCode. Is there no way to only make it run once without using interface builder.

You can absolutely just run it once. Create the view when you create the class, keep it in a class property and return it when called.

However, read this when you get a chance
iPhone Development: Don't Fear the Interface Builder