//Usage example.
//used in https://play.google.com/store/apps/developer?id=PAKAL+In+Android
        function backupDatabase(){
            var d   = new LocalBackup();

            d.run({
                packageName : "org.mypackage.example",
                backupName : "mypath/myfile.ext"
                });

        }
        function restoreDatabase(filename){
            var d   = new LocalBackup();
            d.restore({
                packageName : "org.mypackage.example",
                backupName : "mypath/myfile.ext"
                });
        }