Today I’ve been working on submitting an update to our popular Catholic Prayers database app: it’ll be our first Universal application to hit the App Store. Ever since we upgraded to the latest SDK we can only build for iOS 4, but we’ve set the iPhone OS Deployment Target to be 3.1.3. That way, our users should be able to run the app on devices running iPhone OS 3.x.
Xcode includes project templates for iPad apps and has a menu command (Project > Upgrade Current Target for iPad) that helps you get the project setup correctly when you want to add iPad support to your existing iPhone project. The Upgrade command gives you two options…

If you upgraded your iPhone SDK to the final version supporting iOS 4, you have noticed that everything older then SDK 3.2 vanished. After some research, I found out you can build with 4.0 SDK and still run on devices with earlier versions of the firmware.

Ever since upgrading Apple’s iPhone SDK to 3.2 beta and 3.2 final now, I started experiencing this issue: Interface Builder (IB for friends) didn’t recognize, show or list the images in “nib” files associated to an Xcode project.
I wrote an
Apple has announced that its long-awaited iPad will be available for purchase for consumers starting on Saturday, April 3, while pre-orders for the multi-touch device will begin on March 12. The Wi-Fi model will be the only available at first, the 3G-capable iPad is expected to arrive in late April. In addition, all versions of the hardware will be available in the U.K., Canada, France, Germany, Australia, Italy, Japan, Span and Switzerland in late April.
Analyzing how users are prompted to review iPhone apps, it seems that our apps are more likely to get negative reviews. Here’s why: a user is prompted to rate an app


App submission changes
iPhone 4 reception issue: myth or fact? Design flaw or software issue?
How to build and submit a Universal App for distribution on the App Store with the iOS 4 SDK
Microsoft Pink smartphone project: KIN gets killed
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