For Java & Delphi skilled people (not my case) here a how to "access a JAVA Class that you have created with ECLIPSE/ANDROID STUDIO or access a third party package."

For Java & Delphi skilled people (not my case) here a how to  "access a JAVA Class that you have created with ECLIPSE/ANDROID STUDIO or access a third party package."
http://www.pclviewer.com/android/androidJNI.html
http://www.pclviewer.com/android/androidJNI.html