Implementing android's default Gallery like view

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http://stackoverflow.com – In Gallery app, first it shows all Albums in Thumbnail. On click of each Albums it shows all images in GridView. Then on click of GridView images it opens full screen. What I have done: Initially, I'm loading images(http images) in GalleryView(Horizontal scroll) and on Click of GalleryView items it opens images in GridView.Then on click of GridView items, it open in FullScreen. This is working :) What I'm looking for: In Galleryview I want to show only the albums. On click of GalleryView items it has to open all images of that particular album in GridView. I'm using Android Universal Im (HowTos)