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In the apple docs it states
The portion is the
optional string @2x and should be
included only on images intended for
use on high-resolution screens
What are high-resolution screens? iPhone 4’s? Do I need to include one?
I guess you missed the part where the iPhone 4 and it’s double high resolution screen was introduced 🙂
The iPhone 4 screen is 640 by 960.
To automatically take advantage of that you can provide graphics assets that have that
@2xin the name.When you use something like
UIImage#imageNamed:, the OS will automatically use the high resolution image if appropriate.It will also use those for the icons and launch screens if available.
They are all optional though. But I’m sure your users with an iPhone 4 will appreciate the high res artwork 🙂