import com.tumblr.jumblr.types.PhotoPost; //导入依赖的package包/类
/**
 * @param query the tagged search parameter
 * @return a list of photo posts
 */
public Pair<Long, List<PhotoPost>> getPosts(String query, long before) {
	final Map<String, String> options = new HashMap<String, String>();

	options.put("type", TYPE_PHOTO);
	if (before > 0) {
		options.put("before", Long.toString(before));
	}

	final List<Post> posts = mApi.tagged(query, options);

	final List<PhotoPost> photoPosts = new ArrayList<>(posts.size());

	long earliest = 0;

	final Iterator<Post> iter = posts.iterator();
	while (iter.hasNext()) {
		final Post post = iter.next();
		if (post instanceof PhotoPost) {
			photoPosts.add((PhotoPost) post);
		}

		earliest = post.getTimestamp();
	}

	return new Pair<>(earliest, photoPosts);
}
 

import com.tumblr.jumblr.types.PhotoPost; //导入依赖的package包/类
protected List<UnitPhotoPost> doInBackground(String... params) {
    List<UnitPhotoPost> photoPosts = new ArrayList<>();
    try {
        //create authenticated client
        JumblrClient client = new JumblrClient(params[0], params[1]);
        client.setToken(params[2], params[3]);

        //get blog's photo posts with reblog information from provided offset
        Blog blog = client.blogInfo(params[4]);
        Map<String, String> options = new HashMap<String, String>();
        options.put("type", "photo");
        options.put("offset", params[5]);
        options.put("reblog_info", "true");
        List<Post> posts = blog.posts(options);

        //determine if there is further posts to request (request should returns less than 20 posts if end is reached)
        hasMorePosts = (posts.size() == 20);

        for (Post post : posts) {
            if (post.getType().equals("photo")) {
                //cast to PhotoPost for access to specific attributes
                PhotoPost photoPost = (PhotoPost) post;
                //handle each photos of a single post (required for displaying all photo of a set)
                for (Photo photo : photoPost.getPhotos()) {
                    UnitPhotoPost unitPhotoPost = new UnitPhotoPost();
                    unitPhotoPost.setId(photoPost.getId());
                    unitPhotoPost.note_count = photoPost.getNoteCount();
                    unitPhotoPost.setBlogName(photoPost.getBlogName());
                    unitPhotoPost.reblog_key = photoPost.getReblogKey();
                    unitPhotoPost.liked = photoPost.isLiked();
                    unitPhotoPost.setCaption(photoPost.getCaption());
                    unitPhotoPost.timestamp = photoPost.getTimestamp();
                    unitPhotoPost.reblogged_from_name = photoPost.getRebloggedFromName();
                    unitPhotoPost.photo = photo;
                    //add unit photo to the list
                    photoPosts.add(unitPhotoPost);
                }
            }
        }
    } catch (Exception e) {
        exception = e;
    }

    //Log access
    BlogHistory BlogHistory = new BlogHistory(this.activity, account);
    BlogHistory.addEntry(params[4], 1 + Integer.parseInt(params[5]) / 20);
    return photoPosts;
}
 

import com.tumblr.jumblr.types.PhotoPost; //导入依赖的package包/类
@Override
protected Pair<Long, List<PhotoPost>> doInBackground(String... params) {
	Log.w(TAG, "Loading posts for " + params[0] + " before: " + mBefore);
	return mTumblrClient.getPosts(params[0], mBefore);
}