AngularJS $stateChangeSuccess for UI-Router < 1.0 | Link
$rootScope.$on('$stateChangeSuccess',
function(event, toState, toParams, fromState, fromParams){ ... });
Angular Translate service | Link
$translate('HEADLINE').then(function (headline) {
$scope.headline = headline;
}, function (translationId) {
$scope.headline = translationId;
});