(function() {
    'use strict';

    angular.module('myapp', [
            'constants',
            'ngMaterial',
            'ngCordova',
            'ngStorage',
            'relativeDate',
            'ui.router',
            'myapp.services.myservice'
            ])

angular.module('constants', [])

.constant('appName', 'mynewapp');

(function() {
    'use strict';

    angular.module('myapp.services.myservice', [])

        .factory('Myservice', function ($http, appName) {
           console.log(appName); //works great!

(function() {
    'use strict';

    angular.module('myapp')
        .controller('MyController', [
            '$cordovaOauth',
            '$state',
            '$rootScope',
            'Myservice',
            MyController
        ]);

    function MyController($cordovaOauth, $state, $rootScope, Myservice, appName ) {
            console.log(appName); //undefined