State Events

angular.module("myApp")
    .run(function($rootScope){
        $rootScope.$on('$stateChangeStart', function(event, toState, toParams, fromState, fromParams){

        });
        $rootScope.$on('$stateChangeSuccess', function(event, toState, toParams, fromState, fromParams){

        });
        $rootScope.$on('$stateChangeError', function(event, toState, toParams, fromState, fromParams, error){

        });
        $rootScope.$on('$stateNotFound', function(event, unfoundState, fromState, fromParams){

        });
    });