应用关闭时的startMonitoringForRegion [英] startMonitoringForRegion when App close

问题描述

我正在使用 startMonitoringForRegion 来监视特定区域。
当应用程序未运行时，我通过比较 [launchOptions objectForKey：@ UIApplicationLaunchOptionsLocationKey] 在用户输入/离开特定位置时成功生成了本地通知Appdelegate。

I am using startMonitoringForRegion to monitor specific region. When App is not running I have successfully generated a local notification when a user enters/leaves a particular location by comparing [launchOptions objectForKey:@"UIApplicationLaunchOptionsLocationKey"] in AppDelegate.

但是现在我不明白如何知道用户进入某个位置或离开某个位置。
我无法找到一种检查响应的方法。我可以在警报正文中显示响应吗？
我在互联网上搜索，但是找不到任何在AppDelegate中编写了一些代码的教程。

But now I am not able to understand how can I know that a user enters in a location or leaves a location. I am not able to find a way to check the response. Can I show the response in the alert body? I searched in internet but unable to find any tutorial that have written some code in AppDelegate.

推荐答案

位置管理器委托方法

- (void)locationManager:(CLLocationManager *)manager didDetermineState:(CLRegionState)state forRegion:(CLRegion *)region{

    if (state == CLRegionStateInside) {

        // We entered a region
         NSLog(@"Inside region");
 if([[UIApplication sharedApplication] applicationState] == UIApplicationStateBackground){

            UILocalNotification *notification = [[UILocalNotification alloc] init];
            notification.alertBody = @"Region Detected";
            notification.soundName = @"Default";
            [[UIApplication sharedApplication] presentLocalNotificationNow:notification];


    } else if (state == CLRegionStateOutside) {

       // We are outside region
        NSLog(@"Outside region");
    }
}

在评价中

-(void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification
{
    [[NSNotificationCenter defaultCenter] postNotificationName:@"PerformAction" object:nil userInfo:nil];
}

在您的ViewController中viewDidLoad方法：

IN your ViewController viewDidLoad Method :

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(performAction) name:@"PerformAction" object:nil];

在同一viewController中添加以下方法并执行ur操作

In your same viewController add the following method and perform ur action

-(void)performAction
{
  // perform your action
}

这篇关于应用关闭时的startMonitoringForRegion的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！