我正在測試Apple的AirLocate應用程序,並對此方法的行爲有點困惑。爲什麼確定狀態:forRegion:方法調用兩次
我的代碼:
我創建了一個CLBeaconRegion並將其添加到字典中像一個關鍵
self.rangedRegions = [[NSMutableDictionary alloc] init]; CLBeaconRegion *region = [[CLBeaconRegion alloc] initWithProximityUUID:[[NSUUID alloc]initWithUUIDString:@"E2C56DB5-DFFB-48D2-B060-D0F5A71096E0"] identifier:@"Group 57"]; self.rangedRegions[region] = [NSArray array];
然後,我開始監視和測距
for (CLBeaconRegion *region in self.rangedRegions) { [self.locationManager startMonitoringForRegion:region]; [self.locationManager startRangingBeaconsInRegion:region]; }
委託方法
- (void)locationManager:(CLLocationManager *)manager didDetermineState:(CLRegionState)state forRegion:(CLRegion *)region { if(state == CLRegionStateInside) { NSLog(@"INSIDE REGION %@",region.identifier); } else if(state == CLRegionStateOutside) { NSLog(@"OUTSIDE REGION %@",region.identifier); } else { return; } }
多數民衆贊成我在日誌中看到:
2014-11-24 16:10:42.482 AirLocate[741:60b] OUTSIDE REGION E2C56DB5-DFFB-48D2-B060-D0F5A71096E0
2014-11-24 16:10:42.977 AirLocate[741:60b] OUTSIDE REGION Group 57
2014-11-24 16:11:31.061 AirLocate[741:60b] INSIDE REGION E2C56DB5-DFFB-48D2-B060-D0F5A71096E0
2014-11-24 16:11:31.656 AirLocate[741:60b] INSIDE REGION Group 57
爲什麼打了兩次都爲CLRegionStateInside和CLRegionStateOutside這種方法嗎?
爲什麼控制檯輸出UUID第一行然後是區域的標識符?正如你在代碼中看到的那樣,它應該只在控制檯中是region.identifier(即「Group 57」)。
http://stackoverflow.com/a/23146840 – TonyMkenu 2014-11-24 21:52:44
我剛剛清理了代碼,並重新安裝應用程序,因爲@davidgyoung寫道,它的幫助。 – stsmkrv 2014-11-25 08:44:43