HoneLib
· Hone is a fine-tuning tool for people building digital products. The Hone Android library implements the app-side functionality for Android apps.
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 honelibrary-0.2.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.