I just opened an iPad app I\'d been working on and it was working fine, until now. I open it and the screen remains black, even after it\'s loaded! It\'s an OpenGL and I jus
Hi Dane.
I know nearly nothing about iPhone/iPod/iPad development, but i think this forum topic might be useful.
http://www.iphonedevsdk.com/forum/iphone-sdk-development/51028-ios4-black-screen-after-updating-sdk.html
And if not. I suppose Apple has also released the iPad simulator along with iOS4 SDK, try debugging your app there.
Hope it helps.