所以我正在创建一个 iOS 应用程序,我正在后台寻找信标。一旦我的 iPhone 唤醒,它就可以正常工作,即使 iPhone 被锁定,它也能继续工作……但是 iPhone 必须仍然处于唤醒状态。一旦 iPhone 进入休眠状态,我的应用程序会再运行大约 10 次,然后停止。如果您唤醒 iPhone,它会再次开始测距。
我也尝试过监控,但没有成功。
谁能告诉我这是否可能?我到处搜索,找不到答案!请在下面找到我的信标方法(在 AppDelegate 中)
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
[[UIApplication sharedApplication] setMinimumBackgroundFetchInterval:UIApplicationBackgroundFetchIntervalMinimum];
self.locationManager = [[CLLocationManager alloc] init];
if([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {
[self.locationManager requestAlwaysAuthorization];
}
self.locationManager.delegate = self;
self.locationManager.pausesLocationUpdatesAutomatically = NO;
[self.locationManager startUpdatingLocation];
return YES;
}
-(void)locationManager:(CLLocationManager *)manager didRangeBeacons:(NSArray *)beacons inRegion:(CLBeaconRegion *)region {
if(beacons.count > 0) {
CLBeacon *nearestBeacon = beacons.firstObject;
if (nearestBeacon.proximity == CLProximityImmediate || nearestBeacon.proximity == CLProximityNear) {
NSLog("Beacon detected");
}
}
}
- (void)startRangingBeacons {
self.beaconRegion = [[CLBeaconRegion alloc] initWithProximityUUID:@"EBEFD083-70A2-47C8-9837-E7B5634DF525" identifier:@"receptionBeacon"];
[self.locationManager startRangingBeaconsInRegion:self.beaconRegion];
}
感谢任何帮助 谢谢 索尼娅
最佳答案
唤醒手机的方法有一种。如果您的应用属于信标区域,那么,
- (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region
上面的方法被自动调用。所以你需要放置一些本地通知,比如“你靠近信标区”来唤醒手机。 但您必须重新进入该区域。
一旦您的应用进入该区域,请编写以下代码以重新启动信标进程,
[self.locationManager startRangingBeaconsInRegion:self.beaconRegion];
UIBackgroundTaskIdentifier bgTask = [[UIApplication sharedApplication]
beginBackgroundTaskWithExpirationHandler:^{
NSLog(@"End of tolerate time. Application should be suspended now if we do not ask more 'tolerance'");
[[UIApplication sharedApplication] endBackgroundTask:UIBackgroundTaskInvalid];
}];
if (bgTask == UIBackgroundTaskInvalid)
{
NSLog(@"This application does not support background mode");
} else {
//if application supports background mode, we'll see this log.
NSLog(@"Application will continue to run in background");
}
希望这对你有用。
关于ios - 在 iPhone 锁定和休眠时测距和监控信标,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32376400/