private void shareToSns(Activity activity) {
   ShareContent shareItem = new ShareContent();
   shareItem.mText = mFeedItem.text;
   List<ImageItem> imageItems = mFeedItem.imageUrls;
   if (mFeedItem.sourceFeed != null) {
     imageItems = mFeedItem.sourceFeed.imageUrls;
   }
   if (imageItems.size() > 0) {
     shareItem.mImageItem = imageItems.get(0);
   }
   shareItem.mTargetUrl = mFeedItem.shareLink;
   if (TextUtils.isEmpty(shareItem.mTargetUrl) && mFeedItem.sourceFeed != null) {
     shareItem.mTargetUrl = mFeedItem.sourceFeed.shareLink;
   }
   shareItem.mFeedId = mFeedItem.id;
   shareItem.mTitle = mFeedItem.sourceFeed == null ? mFeedItem.text : mFeedItem.sourceFeed.text;
   ShareSDKManager.getInstance().getCurrentSDK().share(activity, shareItem);
 }