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ABImageLoader

If you faces the problem of loading different images for different devices and different orientations, this can help you.

Category uses swizzling and support two types of image loading:

  • Programmatically.
  • From XIB/Storyboard.

Steps to use:

  1. Add these categories to your project (for example just drag and drop them to the XCode).
  2. Load images as usually with [UIImage imageNamed:@"ImageName"]. Or set them in XIB/Storyboard

Image names should be in the next format:

<name><orientation><screen_height><scale><device>.<extension>

  • <name> -- name of the image. This name you should pass to the imageNamed: method.
  • <orientation> -- can be -landscape, -portrait or missed.
  • <screen_height> -- screen height if you want to specify different images for different screen heights. Can be -568h, -667h, -736h or missed.
  • <scale> -- image scale factor. Should be written as @2x, @3x, etc. Don't use @1x, just left it empty instead.
  • <device> -- can be ~ipad, ~iphone or missed.
  • <extension> -- image extension (png, for example).

Passed to imageNamed: method parameter should be either <name>.<extension> or <name> (in this case extension will be treated as png).

More detailed names have higher priority for loading. For example if there are image@2x~ipad.png and image-portrait@2x~ipad.png, the second one will be chosen for portrait orientation.

You can send me your notes and questions about this source to the email: accidbright@gmail.com.