View Port
· View Port Android is a library that aims to track items from a Recycler View, which remain visible in a given region on the screen (view port), for a minimum time of 250 milliseconds
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 viewport-tv-1.5.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
