ionic framework download image to device

downlaodimage

 $scope.Download = function () {

      ionic.Platform.ready(function(){

             var url = "http://3.bp.blogspot.com/-XchURXRz-5c/U5ApPOrPM9I/AAAAAAAADoo/YZEj4qeSlqo/s1600/Final-Fantasy-XV-Noctis-Red-Eyes.png";

             var filename = url.split("/").pop();

             var targetPath = cordova.file.externalRootDirectory   + filename;

  

              $cordovaFileTransfer.download(url, targetPath, {}, true).then(function (result) {

                    console.log( 'Save file on '+targetPath+' success!');

                

              }, function (error) {

                   console.log('Error Download file');

				   	alert("An error has occurred: Code = " + error.code);

					console.log("upload error source " + error.source);

					console.log("upload error target " + error.target);

              }, function (progress) {

                    $scope.downloadProgress = (progress.loaded / progress.total) * 100;

					console.log($scope.downloadProgress );

              });

      });

  }