function routerFactory(
    registry: RouteRegistry, location: Location, primaryComponent: Type,
    appRef: ApplicationRef): RootRouter {
  var rootRouter = new RootRouter(registry, location, primaryComponent);
  appRef.registerDisposeListener(() => rootRouter.dispose());
  return rootRouter;
}

function routerFactory(app: ApplicationRef, componentResolver: ComponentResolver,
                       urlSerializer: RouterUrlSerializer, routerOutletMap: RouterOutletMap,
                       location: Location): Router {
  if (app.componentTypes.length == 0) {
    throw new BaseException("Bootstrap at least one component before injecting Router.");
  }
  // TODO: vsavkin this should not be null
  let router = new Router(null, app.componentTypes[0], componentResolver, urlSerializer,
                          routerOutletMap, location);
  app.registerDisposeListener(() => router.dispose());
  return router;
}

        router.subscribe(() => {

            // This is needed for the back button to work correctly on iOS and Safari.
            this._applicationRef.tick();
            setTimeout(() => {
                this._applicationRef.tick();
            }, 100);
        });

		this.blogServer.list().then((result)=>{
			if(result.code == StatusCode.success) {
				this.blogList = result.data.list;
				this.count = result.data.count;
				this.page = result.data.page;
				this.applicationRef.tick();
			}else{
				console.log(result);
			}
		}).catch((result)=>{

 this.unsubscribe = ngRedux.subscribe(() => {
   applicationRef.tick();
 });

 state => {
   console.log('Received new store state: ', state.todos);
   this.todos = state.todos;
   applicationRef.tick();
 }

 this.router.subscribe(() => {
     this.applicationRef.tick();
 });