The problem is in your image.
You could open your image in Preview.app, then show the Inspector (⌘I
) and look at More Info tab. Wrong image will show you the following info:
and will result a black screen on the device (but will be ok in the Simulator). And the right one shood look like that:
I can't say how to fix wrong images in Photoshop. I found quite an ugly solution:
- open wrong png in PS;
- find and open correct png in another tab (make sure the canvas is of right size);
- select the whole image in the wrong png and copy it;
- paste the copied image into correct png file;
- perform
Save As...
command and replace your wrong image with the new one.