I think obtainAlbumData method need execute execute callback even when query result size is 0. The reason is below:
query result size 0 is a correct condition.
sometimes I need show empty view and tips when size is 0. Due the callback dont execute when size 0,I cannot find right time to show empty tips for user.
I think
obtainAlbumData
method need execute execute callback even when query result size is 0. The reason is below: