iphone-os

Build an iOS4 app that will also deploy on iPhone OS 3.x devices

Hey, I've got a couple of applications in the App Store at the moment which I've had ready after the release of iOS4. If I try and download one of these in the App store on a 3.x device, it will tell me I need to upgrade. Is there a way to make my application not do this, as I don't think I am using any API calls specific to iOS4. I or...

When does a View Controller get it's orientation set to its frame?

I have an iPhone OS app who's ViewController overrides shouldAutorotateToInterfaceOrientation so that only the two landscape orientations are supported. Then, there is (in my primary/main NIB) a UIScrollView that's landscape. In my primary viewDidLoad, it appears that this UIScrollView is still 320x480. However, as I only load the ini...