Use @2x retina images for ipad in universal app? and does apple prefer native apps?

Question

I know there were some discussions about this but i could not find good answer?

My questions are -

1. I know that -

     [UIImage imageNam         
   
   
           

Answer 1

If you're loading an image named "image" the search paths are likely to be the same as they've always been:

iPhone:

• 1) image@2x~iphone.png (retina only)
• 2) image@2x.png (retina only)
• 3) image~iphone.png
• 4) image.png

iPad:

• 1) image@2x~ipad.png (retina only)
• 2) image@2x.png (retina only)
• 3) image~ipad.png
• 4) image.png