Ios 基于位置的“本地通知”在“后台”起作用，但在“前台”不起作用`

通知应该在位置靠近时激活，但它只在后台工作。即使触发事件发生在前台和后台

- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region {

//implement local notification:
UIApplication *app = [UIApplication sharedApplication];
UILocalNotification *notification = [[UILocalNotification alloc] init];
[[UIApplication sharedApplication] cancelAllLocalNotifications];

if (notification == nil)
    return;
notification.fireDate = [NSDate date];
notification.timeZone = [NSTimeZone defaultTimeZone];
notification.alertBody = [selectedTask discription];
notification.alertAction = [selectedTask taskName];
notification.soundName = UILocalNotificationDefaultSoundName;
notification.applicationIconBadgeNumber = 1;
[app presentLocalNotificationNow:notification];
localNotification = nil;

}

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从didReceiveLocalNotification方法内部，您可以向用户显示警报，因为如果应用程序位于前台，则不会处理通知

UIAlertView *alert = [[UIAlertView alloc]
        initWithTitle: @"Something"
        message: @"Something else you want to tell the user"
        delegate:self
        cancelButtonTitle:@"OK"
        otherButtonTitles:nil];
[alert show];

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对，那你怎么解决？解决什么？应用程序：didReceiveLocalNotification被激发，因此如果您希望向用户显示某些内容，则需要从那里处理您的操作。详细说明如何显示通知将解决此问题。