原作者https://github.com/maurycyw/StaggeredGridView.git 由于他库与demo分开，并且库是使用android studio构建，在eclipse可能有些坑。

You must clone StaggeredGridView along with StaggeredGridViewDemo and import both projects into your workspace. If they are in the same parent directory everything should work fine. Otherwise you must define StaggeredGridView as a library for StaggeredGridViewDemo