gyso-treeview
· A custom tree view for Android, designed for easy drawing some tree nodes (e.g. think mind and tree nodes). Includes smoothly zoom, move, limit and center fix animation support, and allows easy extension so you can add your own child node's customs view and touch event detection.
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 gyso-treeview-1.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.