wunderlist-sliding-layer
· A fully customizable layer that shows your content in another layer. This layer can be opened swiping from left/right/top/bottom and dismissed swiping too to the other direction.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window Library-1.2.5.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.