直接将图像共享给WhatsApp

通过找到解决方案LeoNatan@github.效果完美。

https://github.com/LeoNatan/LNExtensionExecutor/

UIImage *image = [UIImage imageNamed:@"your_image_name"];
NSArray *activityItems = @[image];
UIActivityViewController *activityViewControntroller = [[UIActivityViewController alloc] initWithActivityItems:activityItems applicationActivities:nil];
activityViewControntroller.excludedActivityTypes = @[];
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) 
{
activityViewControntroller.popoverPresentationController.sourceView = self.view;
activityViewControntroller.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width/2, self.view.bounds.size.height/4, 0, 0);
}
[self presentViewController:activityViewControntroller animated:true completion:nil];