+    .controller('WhateverController', function ($scope, SaveToGalleryService) {

+    

+    $scope.savePhoto = function(photoUrl, folderName, fileName, callback) {

+        var fileName = new Date().getTime();

+        SaveToGalleryService.saveToGallery(photoUrl, "Kiddiz.me", fileName, function (res) {

+            console.log("Photo ", photoUrl, "photo saved", res);

+            if (callback) {

+                callback(true, res);

+            }

+        }, function () {

+            console.log("Photo ", photoUrl, "failed to save photo");

+            if (callback) {

+                callback(false);

+            }

+        });

+    }

+});

+

+ * Created by Tomer on 2016-12-06.

+ */

+

+

+(function() {

+    angular.module('myApp.services.saveToGallery', [])

+        .factory("SaveToGalleryService", SaveToLibraryService);

+

+    SaveToLibraryService.$inject = ["$q"];

+

+    function SaveToLibraryService($q) {

+        return {

+            saveToGallery: downloadFile

+        };

+

+        //First step check parameters mismatch and checking network connection if available call    download function

+        function downloadFile(url, folderName, fileName, successCallback, errorCallback) {

+            //Parameters mismatch check

+            if (!url || !folderName || !fileName) {

+                if (errorCallback) {

+                    errorCallback("invalid arguments");

+                }

+            }

+            else {

+                //checking Internet connection availablity

+                var networkState = navigator.connection.type;

+                if (networkState == Connection.NONE) {

+                    if (errorCallback) {

+                        errorCallback("not internet connection");

+                    }

+                } else {

+                    download(url, folderName, fileName)

+                        .then(function onDlSuccess(fileEntry) {

+                            refreshMedia.refresh(fileEntry.nativeURL);

+                            if (successCallback) {

+                                successCallback(true, fileEntry);

+                            }

+                        }, function onDlError(err) {

+                            if (errorCallback) {

+                                errorCallback(err);

+                            }

+                        });

+                }

+            }

+        }

+

+        function download(url, folderName, fileName) {

+            var defer = $q.defer();

+

+            var downloadLink = encodeURI(url),

+                ext = downloadLink.substr(downloadLink.lastIndexOf('.') + 1); //Get extension of URL

+

+            //step to request a file system

+            window.resolveLocalFileSystemURL(cordova.file.externalRootDirectory, fileSystemSuccess, fileSystemFail);

+

+            function fileSystemSuccess(dir) {

+                console.log("fileSystemSuccess", dir);

+                dir.getDirectory(folderName, { create: true, exclusive: false }, onDirectorySuccess, onDirectoryFail);

+            }

+

+            function fileSystemFail(evt) {

+                //Unable to access file system

+                console.log("fileSystemFail", evt.target.error.code);

+                defer.reject(evt.target.error);

+            }

+

+            function onDirectorySuccess(dir) {

+                console.log("onDirectorySuccess", dir);

+                var fp = dir.toURL(); // Returns fill path of local directory

+

+                fp = fp + "/" + fileName + "." + ext; // fullpath and name of the file which we want to give

+                // download function call

+                filetransfer(downloadLink, fp);

+            }

+

+            function onDirectoryFail(error) {

+                //Error while creating directory

+                console.log("onDirectoryFail", error);

+                defer.reject(error);

+            }

+

+            function filetransfer(downloadLink, fp) {

+                console.log("starting file transfer", downloadLink, "-->", fp);

+

+                var fileTransfer = new FileTransfer();

+                // File download function with URL and local path

+                fileTransfer.download(downloadLink, fp,

+                    function (entry) {

+                        console.log("Download completed", entry);

+                        defer.resolve(entry);

+                    },

+                    function (error) {

+                        //Download abort errors or download failed errors

+                        console.log("download error source ", error);

+                        defer.reject(error);

+                    }

+                );

+            }

+

+            return defer.promise;

+        }

+    }