1# Location Subsystem Changelog 2 3## cl.location.1 Addition of APIs for Obtaining the Wi-Fi and Bluetooth Scanning Result 4 5APIs for obtaining the Wi-Fi and Bluetooth scanning result are added to **@ohos.geoLocationManager.d.ts**. They are all system APIs. 6 7**Change Impact** 8 9The system application can use the Wi-Fi and Bluetooth scanning result obtained by these APIs for network positioning. 10 11**Key API/Component Changes** 12 13| Class| API Type| Declaration| Change Type| 14| -- | -- | -- | -- | 15|geoLocationManager| method | function on(type: 'locatingRequiredDataChange', config: LocatingRequiredDataConfig, callback: Callback<Array<LocatingRequiredData>>): void; | Added| 16|geoLocationManager| method | function off(type: 'locatingRequiredDataChange', callback?: Callback<Array<LocatingRequiredData>>): void; | Added| 17|geoLocationManager| method | function getLocatingRequiredData(config: LocatingRequiredDataConfig): Promise<Array<LocatingRequiredData>>; | Added| 18 19**Adaptation Guide** 20 21The following example shows how to obtain Wi-Fi and Bluetooth scanning information at a time: 22 23 ```ts 24 import geoLocationManager from '@ohos.geoLocationManager'; 25 let config = {'type': 1, 'needStartScan': true, 'scanInterval': 10000}; 26 try { 27 geoLocationManager.getLocatingRequiredData(config).then((result) => { 28 console.log('getLocatingRequiredData return: ' + JSON.stringify(result)); 29 }) 30 .catch((error) => { 31 console.log('promise, getLocatingRequiredData: error=' + JSON.stringify(error)); 32 }); 33 } catch (err) { 34 console.error("errCode:" + err.code + ",errMessage:" + err.message); 35 } 36 ``` 37