本地通知ios11在后台-localnotificationsios11inbackground

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IOS 11 try use this in - (void)applicationDidEnterBackground:(UIApplication *)application

IOS 11尝试在 - (void)applicationDidEnterBackground:(UIApplication *)应用程序中使用它

[self performSelectorInBackground:@selector(showNotical:) withObject:@"Open InBack"];

with method

- (void) showNotical:(NSString*)msg 

{

    UIApplication *application = [UIApplication sharedApplication];

    if ([application respondsToSelector:@selector(registerUserNotificationSettings:)])
    {
            //UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeBadge|UIUserNotificationTypeAlert|UIUserNotificationTypeSound) categories:nil];
        UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeAlert|UIUserNotificationTypeSound) categories:nil];
        [application registerUserNotificationSettings:settings];

    }
    else // iOS 7 or earlier
    {
            //UIRemoteNotificationType myTypes = UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound;
        UIRemoteNotificationType myTypes = UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound;
        [application registerForRemoteNotificationTypes:myTypes];
    }

    UILocalNotification* localNotification = [[UILocalNotification alloc] init];
        //    localNotification.fireDate = [NSDate dateWithTimeIntervalSinceNow:1];
    localNotification.alertAction = @"test";
    localNotification.alertBody = [NSString stringWithFormat:@"%@",msg];
    localNotification.soundName = UILocalNotificationDefaultSoundName; // den den den
    localNotification.repeatInterval = 7;
        //[UIApplication sharedApplication].applicatiOnIconBadgeNumber=1;
    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];

}