angular-local-storage broadcasts events when it does stuff, listen for those events thusly...

angular-local-storage.broadcasts.js

// https://github.com/grevory/angular-local-storage#setnotify

$scope.$on("LocalStorageModule.notification.setitem", function (key, newVal, type) {
  $log.log("LocalStorageModule.notification.setitem", key, newVal, type);
});

$scope.$on("LocalStorageModule.notification.removeitem", function (key, type) {
  $log.log("LocalStorageModule.notification.removeitem", key, type);
});

$scope.$on("LocalStorageModule.notification.warning", function (warning) {
  $log.warn("LocalStorageModule.notification.warning", warning);
});

$rootScope.$on("LocalStorageModule.notification.error", function (errorMessage) {
  $log.error("LocalStorageModule.notification.error", errorMessage);
});