“how to find Image size for a url in iPhone”

float size =  [UIImageJPEGRepresentation(Image,0.9) length]/1024.0/1024.0;

//in above line  Image is your image name

//NSLog(@”File Size : %f”, size);

 

if (size == 0)

{

UIImage *imagenew = [UIImage imageNamed”img-not-available.jpg”];

[ImageButton setImage:imagenew forState:UIControlStateNormal];

}

else

[ImageButton setImage:Image forState:UIControlStateNormal];