jpg images in iphone and 2x images

Question

I am working on an iphone app and targeting iOS 4.0 or later. I am trying to add an image to UIImageView, and image is in jpeg format. This i

Answer 1

With the dawn of Xcode 6 I have found that JPG images might not render at all on certain iOS7 devices (they may work on some but not on others, or they may not work on any, and you may see a different result on a different developers machine, there doesn't seem to be any consistency). This is regardless of whether the image is just referenced in UIImageView in a XIB or programmatically with [UIImage imageNamed:] (which returns nil).

After scratching my head for a long time, the solution was to rename the *.jpg file extension to *.png (whilst obviously leaving the file contents as JPG data).

HTH