UIImage+Dummy category provides method to create dummy image for iOS 6.0+.
UIImage *image1 = [UIImage imageNamed:@"dummy.150x200"];
UIImage *image2 = [UIImage imageNamed:@"dummy.150x200.#407EFF"];
UIImage *image3 = [UIImage imageNamed:@"dummy.150x200.blue"];
UIImage *image4 = [UIImage imageNamed:@"dummy.150x200.blue..image.png"]; // If 'image.png' exists, 'image.png' UIImage object is created. If not exist, dummy UIImage object is created.
MIT license