awesome-app-rating
· A highly customizable Android library providing a dialog, which asks the user to rate the app or give feedback. You can also use the library to show the Google in-app review easily under certain conditions.
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 awesome-app-rating-2.6.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.