how to take a screenshot of the iPhone programmatically?

Question

Is it possible in objective C that we can take the screen shot of screen and stored this image in UIImage.

Answer 1

// 100% Work

- (UIImage *)screenshot
{                   
  UIGraphicsBeginImageContextWithOptions(self.main_uiview.bounds.size, NO, 2.0f);
  [self.main_uiview drawViewHierarchyInRect:_main_uiview.bounds afterScreenUpdates:YES];

  UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
  UIGraphicsEndImageContext();

  return image;
}