Intent-Picker
· intent Picker provide Intent App picking functionality with great UI and UX custom calling features to make there picker developer handy.
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 intent-0.0.8.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.