CountryCodePicker
· Country Code Picker (CCP) is an android library which provides an easy way to search and select international country code for the phone number.
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 ccp-2.7.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
