Vita
· Vita is a light and simple library that helps you to share ViewModel between fragments and even activities! Also you can create ViewModels that are available all over the application!
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 vita-1.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.