android-wyisiwyg-editor
· Android WYSIWYG is a text editor written in Android using the native components in the content tree. The library can be used as both Editor and Renderer. The HTML parser helps it easier to integrate with specific web WYSIWY
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 android-wysiwyg-editor-0.3.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.