title: How to save image in my device image library folder from my app document folder in iPhone?
body: <p>I am receiving some image from web-service and store them into my app document folder. Now I have create an image library with my app name in iPhone device. Now. I want to show the images in this image library.</p>
  
  <p>For saving the system image I am using this code - </p>
  
  <pre><code>[self.library1 addAssetURL:url toAlbum:@"My_App_Name" withCompletionBlock:^(NSError *error) {
                  if (error!=nil) {
                      NSLog(@"Big error: %@", [error description]);
                  }
              }]; 
  </code></pre>
  
  <p>but this is not work when I get the url of my document folder image. Help me out or gave any solution.</p>