TOPIC:

            RadaeePDFPlugin.activateLicense({
                licenseType: 0, //0: for standard license, 1: for professional license, 2: for premium license
                company: '', //the company name you entered during license activation
                email: '', //the email you entered during license activation
                key: '' //you license activation key
            },
            function(message) { // Callback for successful opening.
                alert('Success: ' + message);
            },
            function(err){ // Callback in case of error.
                alert('Failure: ' + err);
            });

        fileTransfer.download(
                'https://dl.dropboxusercontent.com/u/43914124/File.pdf',
                path,
                function () {
                    // I'm trying to resolve path to be sure that file exists.
                    window.resolveLocalFileSystemURL(path, function(fileEntry) {
                        alert(fileEntry.nativeURL)

                        RadaeePDFPlugin.open({ url: fileEntry.nativeURL },
                            function (message) {
                                alert(message);
                            }, function (error) {
                                alert(error.errorMessage);
                            });
                    }, function (error) {
                        alert(error);
                    });
                }, function(error) {
                    alert(error);
                });