With Apple’s iOS Human Interface Guidelines now available on the iBook Store, here some important tips to keep in mind when designing an app.
A few months ago when the iPhone 5 came out I was going through a project I was working on at that time to make sure everything would work fine on the new screen. I didn’t need to change any code… everything just magically worked. The people in the office seemed to think this was amazing, but there’s not much to it, you just need to make your interfaces fluid so when things chance the interface will adjust and change with it
If you code precompiled libraries for people to use (frameworks, static libraries etc) you may want to hide your variables from the headers so other coders know as little about how your classes work as possible. It works similar to categorising a class and adding new methods, except you can also use new variables that only the implementation file (.m) knows about.