Ios setKeepAliveTimeout在几个小时后突然停止

计划一个

setKeepAliveTimeout

，用最少600秒的定时器，使我的应用程序在几个小时（6-7）内运行良好

我一直在测试的所有设备都会发生这种情况。

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为什么会发生这种情况？

您的问题是什么？为什么区块停止重新启动，我如何才能使其恢复？

/////////// VOIP HANLDER - BEGIN ///////////
    BOOL handlerAccepted = [[UIApplication sharedApplication] setKeepAliveTimeout:kINTERVAL_10_MINUTES handler:^{        
        CLLocation *currentLocation = [RegionMonitoringService sharedInstance].locationManager.location;

#ifdef DEBUG
        NSString *locationDescription = [NSString stringWithFormat:@"VOIP Location: {%f, %f}, Time: %@",
                                         currentLocation.coordinate.latitude, currentLocation.coordinate.longitude,
                                         [currentLocation.timestamp description]];
        NSLog(@"setKeepAliveTimeout, %@", locationDescription);
        // GeneratePushNotification(locationDescription);
#endif

        [[ServerApiManager sharedInstance] saveLocation:currentLocation];

        // Register a geofence
        [[RegionMonitoringService sharedInstance] startMonitoringForLocation:currentLocation];
    }];

#ifdef DEBUG
    NSLog(@"VOIP handler installed: %@", handlerAccepted?@"YES":@"NO");
#endif
/////////// VOIP HANLDER - END ///////////