Universal application iPad/iPhone image naming convention?

Question

In my application I need to get the correct image based on the device iPad/iPhone 4/iPhone 3 device.

For example:

I have an image named a.png (widt

Answer 1

I am using a "Resource Manager" that I developed first before creating any application. This Resource Manager can decide about the naming convention after loading the resource configuration files (mostly XML). This way everything is transparent to the programmer of the GUI, you only need to worry about creating the content :)