Android AlertDialog with moving spots progress indicator packed as android library.
This Library contains implementation of the Floating Action Button for Android.
Floating action buttons are used for a special type of promoted action. They are distinguished by a circled icon floating above the UI and have special motion behaviors related to morphing, launching, and the transferring anchor point.
PagingListView has the ability to add more items on it like Gmail does. Basically is a ListView with the ability to add more items on it when reaches the end of the list.