Android custom view: DockableView.
This view can be expanded/collapsed with a move gesture.
It is like the notification view of the Facebook or Google+ App.
== Usage ==
* Download/Copy the file DockableView.java from the git project
* Create a new class that extends this DockableView
* Your view must be nested in a RelativeLayout and must have the parameter android:layout_alignParentBottom="true"
* Set a Layout for your class
* [optional] override getDockedSize and/or getExpandedHeight