gistfile1.txt

//// define this on the app module
.factory('notify', ['$rootScope', function($rootScope) {
    var sharedService = {};

    sharedService.message = '';

    sharedService.prepForBroadcast = function(msg) {
        this.message = msg;
        this.broadcastItem();
    };

    sharedService.broadcastItem = function() {
        $rootScope.$broadcast('handleBroadcast');
    };

    return sharedService;
}])

///// do this on the publishing controller
.controller( 'AppCtrl', ['$scope', '$location', 'notify', function AppCtrl ( $scope, $location, notify ) {
  $scope.$on('$stateChangeSuccess', function(event, toState, toParams, fromState, fromParams){
    if ( angular.isDefined( toState.data.pageTitle ) ) {
      $scope.pageTitle = toState.data.pageTitle + ' | ngBoilerplate' ;
    }
  });

  $scope.onKeyPress = function ($event) {
    if ($event.keyCode === 49) {
      $location.path('home');
    }
    else if ($event.keyCode === 50) {
      $location.path('about');
    }
    else if ($event.keyCode === 51) {
      $location.path('admin');
    }
    else if ($event.keyCode === 52) {
      notify.prepForBroadcast('add ' + Date.now());
    }
  };
}]);


///// register this on the subscribing controller 
.controller( 'HomeCtrl', ['$scope', function HomeController( $scope ) {
    $scope.$on('handleBroadcast', function() {
        console.log('got a message on HomeCtrl');
    });
}]);

//// or to get the value

.controller( 'HomeCtrl', ['$scope', 'notify', function HomeController( $scope, notify ) {
    $scope.items = [ ];

    $scope.$on('handleBroadcast', function() {
        $scope.items.push(notify.message);
    });
}]);