我正在使用推送通知在Swift中开发一个应用程序。到目前为止，我的AppDelegate中有以下代码:funcapplication(application:UIApplication,didReceiveRemoteNotificationuserInfo:[NSObject:AnyObject]){println("Receivedalertandopenedit")debugPrintln(userInfo)ifapplication.applicationState==UIApplicationState.Active{//Appinforegroundprintln("App