loading manager

app.js

        $httpProvider.responseInterceptors.push(function ($q, LoadingManager) {
            return function (promise) {
                LoadingManager.startLoading();
                return promise.then(function (response) {
                    LoadingManager.stopLoading();
                    return response;
                }, function (response) {
                    LoadingManager.stopLoading();
                    return $q.reject(response);
                });
            };
        });