How to share an gif animated images in iOS

I am not getting any idea about sharing an animated .gif images using UIActivityViewController.please help me to resolve this.thanks in advance

see this image .i am displaying this type of images and to share these images I am using uiactivity view but it is not animating .it's just displaying image 



if(imgFrameCount==1)

    {
        imgFrameCount++;
        NSURL *url1=[[NSBundle mainBundle]URLForResource:@"animated2" withExtension:@"gif"];
        self.firstImage=[UIImage animatedImageWithAnimatedGIFData:[NSData dataWithContentsOfURL:url1]];
        self.frameImage.image = self.firstImage;
    }
else if (imgFrameCount==2)
{
    imgFrameCount++;
    NSURL *url2=[[NSBundle mainBundle]URLForResource:@"animated3" withExtension:@"gif"];
    self.firstImage=[UIImage animatedImageWithAnimatedGIFData:[NSData dataWithContentsOfURL:url2]];
    self.frameImage.image = self.firstImage;
}