Sharing data between controllers using factory in AngularJS is not supported

I attempted to share data between two controllers by using a factory. However, it seems that the data is not being shared properly between the two inputs. In the AppCtrl controller, I set Data.FirstName to be equal to lattitude. But when I switch over to the PathController, I am unable to access the value stored in Data.FirstName.
Could someone please point out what might be causing this issue in my code?

 .factory('Data', function(){
   return { FirstName: 'jjjj' };
})


          // controller one
.controller('AppCtrl', function($scope, Data, $http, $ionicModal, $timeout) {
     ....
 $scope.mapLocation = function(lattitude, longittude) {

    Data.FirstName = lattitude;
    $scope.Data = Data;
 }
    ....
})


          // controller two
.controller("PathController", [ '$scope', function($scope, Data) {

 $scope.Data = Data;
 console.log(Data.FirstName); // Issue with getting Data.FirstName

    angular.extend($scope, {
        center: {
         lat: 35.720031000963,
        lng: -87.343068987131,
        zoom: 17
        },
        markers: {
          Campus: {
             lat: 35.728031000963,
             lng: -87.343068987131,
             focus: true,
             draggable: false,
             message: "Building1"
          },
        },
        defaults: {
            scrollWheelZoom: false
        }
    });
}])

Answer №1

update the data factory with the following changes

.factory('Data', function(){
   return { 
       mydata: {
              FirstName: 'jjjj'
            }

 };
})

then set the values as shown below

Data.mydata.FirstName = latitude;
$scope.Data = Data.mydata;

Answer №2

It appears that the inclusion of the factory as a parameter was overlooked. Please consider the following revision:

.controller("PathController", [ '$scope', function($scope, Data) {

Answer №3

Perhaps this could work:

.module('myApp').service('Data', function(){
    var LastName = 'Smith';
    return { LastName: LastName };
})

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