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提交 746bd40b 编写于 作者: S shawn_he
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en/application-dev/device/device-location-geocoding.md
浏览文件 @ 746bd40b
......@@ -10,17 +10,18 @@ The geographic description helps users understand a location easily by providing
## Available APIs
The following table describes APIs available for mutual conversion between coordinates and geographic description. For details, see [Geolocation Manager](../reference/apis/js-apis-geoLocationManager.md).
The following table describes APIs available for mutual conversion between coordinates and geographic description. For details, see [Geolocation Manager](../reference/apis/js-apis-geolocation.md).
**Table1** APIs for geocoding and reverse geocoding
| API | Description |
| -------- | -------- |
| isGeocoderAvailable(): boolean; | Obtains the (reverse) geocoding service status.|
| getAddressesFromLocation(request: ReverseGeoCodeRequest, callback: AsyncCallback&lt;Array&lt;GeoAddress&gt;&gt;): void | Converts coordinates into geographic description through reverse geocoding. This API uses an asynchronous callback to return the result. |
| getAddressesFromLocation(request: ReverseGeoCodeRequest): Promise&lt;Array&lt;GeoAddress&gt;&gt; | Converts coordinates into geographic description through reverse geocoding. This API uses a promise to return the result. |
| getAddressesFromLocationName(request: GeoCodeRequest, callback: AsyncCallback&lt;Array&lt;GeoAddress&gt;&gt;): void | Converts geographic description into coordinates through geocoding. This API uses an asynchronous callback to return the result. |
| getAddressesFromLocationName(request: GeoCodeRequest): Promise&lt;Array&lt;GeoAddress&gt;&gt; | Converts geographic description into coordinates through geocoding. This API uses a promise to return the result. |
| isGeoServiceAvailable(callback: AsyncCallback&lt;boolean&gt;) : void | 判断（逆）地理编码服务状态，使用callback回调异步返回结果。 |
| isGeoServiceAvailable() : Promise&lt;boolean&gt; | 判断（逆）地理编码服务状态，使用Promise方式异步返回结果。 |
| getAddressesFromLocation(request: ReverseGeoCodeRequest, callback: AsyncCallback&lt;Array&lt;GeoAddress&gt;&gt;) : void | 调用逆地理编码服务，将坐标转换为地理描述，使用callback回调异步返回结果。 |
| getAddressesFromLocation(request: ReverseGeoCodeRequest) : Promise&lt;Array&lt;GeoAddress&gt;&gt; | 调用逆地理编码服务，将坐标转换为地理描述，使用Promise方式异步返回结果。 |
| getAddressesFromLocationName(request: GeoCodeRequest, callback: AsyncCallback&lt;Array&lt;GeoAddress&gt;&gt;) : void | 调用地理编码服务，将地理描述转换为具体坐标，使用callback回调异步返回结果。 |
| getAddressesFromLocationName(request: GeoCodeRequest) : Promise&lt;Array&lt;GeoAddress&gt;&gt; | 调用地理编码服务，将地理描述转换为具体坐标，使用Promise方式异步返回结果。 |
## How to Develop
......@@ -29,21 +30,22 @@ The following table describes APIs available for mutual conversion between coord
>
> The **GeoConvert** instance needs to access backend services to obtain information. Therefore, before performing the following steps, ensure that your device is connected to the network.
1. Import the **geoLocationManager** module by which you can implement all APIs related to the geocoding and reverse geocoding conversion capabilities.
1. Import the **geolocation** module by which you can implement all APIs related to the geocoding and reverse geocoding conversion capabilities.
```ts
import geoLocationManager from '@ohos.geoLocationManager';
import geolocation from '@ohos.geolocation';
```
2. Query whether geocoder service is available.
- Call **isGeoServiceAvailable** to query whether the geocoder service is available. If the service is available, continue with step 3.
```ts
import geoLocationManager from '@ohos.geoLocationManager';
try {
var isAvailable = geoLocationManager.isGeocoderAvailable();
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
geolocation.isGeoServiceAvailable((err, data) => {
if (err) {
console.log('isGeoServiceAvailable err: ' + JSON.stringify(err));
} else {
console.log('isGeoServiceAvailable data: ' + JSON.stringify(data));
}
});
```
3. Obtain the conversion result.
......@@ -51,7 +53,7 @@ The following table describes APIs available for mutual conversion between coord
```ts
var reverseGeocodeRequest = {"latitude": 31.12, "longitude": 121.11, "maxItems": 1};
geoLocationManager.getAddressesFromLocation(reverseGeocodeRequest, (err, data) => {
geolocation.getAddressesFromLocation(reverseGeocodeRequest, (err, data) => {
if (err) {
console.log('getAddressesFromLocation err: ' + JSON.stringify(err));
} else {
......@@ -60,12 +62,12 @@ The following table describes APIs available for mutual conversion between coord
});
```
Your application can obtain the **GeoAddress** list that matches the specified coordinates and then read location information from it. For details, see [Geolocation](../reference/apis/js-apis-geoLocationManager.md).
Your application can obtain the **GeoAddress** list that matches the specified coordinates and then read location information from it. For details, see [Geolocation](../reference/apis/js-apis-geolocation.md).
- Call **getAddressesFromLocationName** to convert geographic description into coordinates.
```ts
var geocodeRequest = {"description": "No. xx, xx Road, Pudong District, Shanghai", "maxItems": 1};
geoLocationManager.getAddressesFromLocationName(geocodeRequest, (err, data) => {
geolocation.getAddressesFromLocationName(geocodeRequest, (err, data) => {
if (err) {
console.log('getAddressesFromLocationName err: ' + JSON.stringify(err));
} else {
......@@ -74,6 +76,6 @@ The following table describes APIs available for mutual conversion between coord
});
```
Your application can obtain the **GeoAddress** list that matches the specified location information and read coordinates from it. For details, see [Geolocation](../reference/apis/js-apis-geoLocationManager.md).
Your application can obtain the **GeoAddress** list that matches the specified location information and read coordinates from it. For details, see [Geolocation](../reference/apis/js-apis-geolocation.md).
To improve the accuracy of location results, you can set the longitude and latitude ranges in **GeoCodeRequest**.
en/application-dev/device/device-location-info.md
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......@@ -10,11 +10,11 @@ Real-time location of the device is recommended for location-sensitive services.
## Available APIs
For details about the APIs used to obtain the device location information, see [Geolocation Manager](../reference/apis/js-apis-geoLocationManager.md).
For details about the APIs used to obtain the device location information, see [Geolocation Manager](../reference/apis/js-apis-geolocation.md).
## How to Develop
To learn more about the APIs for obtaining device location information, see [Geolocation](../reference/apis/js-apis-geoLocationManager.md).
To learn more about the APIs for obtaining device location information, see [Geolocation](../reference/apis/js-apis-geolocation.md).
1. Before using basic location capabilities, check whether your application has been granted the permission to access the device location information. If not, your application needs to obtain the permission from the user as described below.
The system provides the following location permissions:
......@@ -41,10 +41,10 @@ To learn more about the APIs for obtaining device location information, see [Geo
You can declare the required permission in your application's configuration file. For details, see [Access Control (Permission) Development](../security/accesstoken-guidelines.md).
2. Import the **geoLocationManager** module by which you can implement all APIs related to the basic location capabilities.
2. Import the **geolocation** module by which you can implement all APIs related to the basic location capabilities.
```ts
import geoLocationManager from '@ohos.geoLocationManager';
```
import geolocation from '@ohos.geolocation';
```
3. Instantiate the **LocationRequest** object. This object provides APIs to notify the system of the location service type and the interval of reporting location information.<br>
......@@ -53,7 +53,7 @@ To learn more about the APIs for obtaining device location information, see [Geo
To better serve your needs for using APIs, the system has categorized APIs into different packages to match your common use cases of the location function. In this way, you can directly use the APIs specific to a certain use case, making application development much easier. The following table lists the use cases currently supported.
```ts
```
export enum LocationRequestScenario {
UNSET = 0x300,
NAVIGATION,
......@@ -78,7 +78,7 @@ To learn more about the APIs for obtaining device location information, see [Geo
Sample code for initializing **requestInfo** for navigation:
```ts
var requestInfo = {'scenario': geoLocationManager.LocationRequestScenario.NAVIGATION, 'timeInterval': 0, 'distanceInterval': 0, 'maxAccuracy': 0};
var requestInfo = {'scenario': geolocation.LocationRequestScenario.NAVIGATION, 'timeInterval': 0, 'distanceInterval': 0, 'maxAccuracy': 0};
```
**Method 2:**
......@@ -107,7 +107,7 @@ To learn more about the APIs for obtaining device location information, see [Geo
Sample code for initializing **requestInfo** for the location accuracy priority policy:
```ts
var requestInfo = {'priority': geoLocationManager.LocationRequestPriority.ACCURACY, 'timeInterval': 0, 'distanceInterval': 0, 'maxAccuracy': 0};
var requestInfo = {'priority': geolocation.LocationRequestPriority.ACCURACY, 'timeInterval': 0, 'distanceInterval': 0, 'maxAccuracy': 0};
```
4. Instantiate the **Callback** object for the system to report location results.
......@@ -122,24 +122,25 @@ To learn more about the APIs for obtaining device location information, see [Geo
5. Start device location.
```ts
geoLocationManager.on('locationChange', requestInfo, locationChange);
geolocation.on('locationChange', requestInfo, locationChange);
```
6. (Optional) Stop device location.
```ts
geoLocationManager.off('locationChange', locationChange);
geolocation.off('locationChange', locationChange);
```
If your application does not need the real-time device location, it can use the last known device location cached in the system instead.
```ts
import geoLocationManager from '@ohos.geoLocationManager';
try {
var location = geoLocationManager.getLastLocation();
} catch (err) {
console.error("errCode:" + err.code + ",errMessage:" + err.message);
}
geolocation.getLastLocation((err, data) => {
if (err) {
console.log('getLastLocation: err: ' + JSON.stringify(err));
} else {
console.log('getLastLocation: data: ' + JSON.stringify(data));
}
});
```
To call this method, your application needs to request the **ohos.permission.LOCATION** permission from the user.
en/application-dev/reference/apis/js-apis-geoLocationManager.md
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......@@ -19,9 +19,9 @@ The system provides the following location permissions:
If your application needs to access the device location information, it must first apply for required permissions. Specifically speaking:
- API versions earlier than 9: Apply for **ohos.permission.LOCATION**.
API versions earlier than 9: Apply for **ohos.permission.LOCATION**.
- API version 9 and later: Apply for **ohos.permission.APPROXIMATELY\_LOCATION**, or apply for **ohos.permission.APPROXIMATELY\_LOCATION** and **ohos.permission.LOCATION**. Note that **ohos.permission.LOCATION** cannot be applied for separately.
API version 9 and later: Apply for **ohos.permission.APPROXIMATELY_LOCATION**, or apply for **ohos.permission.APPROXIMATELY_LOCATION** and **ohos.permission.LOCATION**. Note that **ohos.permission.LOCATION** cannot be applied for separately.
| API Version| Location Permission| Permission Application Result| Location Accuracy|
| -------- | -------- | -------- | -------- |
......@@ -1615,7 +1615,7 @@ Obtains the current country code.
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| Promise&lt;[CountryCode](#countrycode)&gt; | [CountryCode](#countrycode) | NA | Promise used to return the country code.|
| Promise&lt;[CountryCode](#countrycode)&gt; | [CountryCode](#countrycode) | NA | Callback used to return the country code.|
**Error codes**
......@@ -1815,7 +1815,7 @@ For details about the following error codes, see [Location Error Codes](../error
setReverseGeocodingMockInfo(mockInfos: Array&lt;ReverseGeocodingMockInfo&gt;): void;
Sets information of the mock reverse geocoding function, including the mapping between a location and geographical name. If the location is contained in the configurations during reverse geocoding query, the corresponding geographical name will be returned.
Sets information of the mock reverse geocoding function, including the mapping between a location and geographic name. If the location is contained in the configurations during reverse geocoding query, the corresponding geographic name will be returned.
**System capability**: SystemCapability.Location.Location.Core
......@@ -1825,7 +1825,7 @@ Sets information of the mock reverse geocoding function, including the mapping b
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| mockInfos | Array&lt;[ReverseGeocodingMockInfo](#reversegeocodingmockinfo)&gt; | Yes| Array of information of the mock reverse geocoding function, including a location and a geographical name.|
| mockInfos | Array&lt;[ReverseGeocodingMockInfo](#reversegeocodingmockinfo)&gt; | Yes| Array of information of the mock reverse geocoding function, including a location and a geographic name.|
**Error codes**
......@@ -1874,7 +1874,7 @@ Checks whether a user agrees with the privacy statement of the location service.
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| boolean | boolean | NA | Callback used to return the result, which indicates whether the user agrees with the privacy statement.|
| boolean | boolean | NA | Result indicating whether the user agrees with the privacy statement.|
**Error codes**
......@@ -1913,7 +1913,7 @@ Sets the user confirmation status for the privacy statement of the location serv
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| type | [LocationPrivacyType](#locationprivacytype) | Yes| Privacy statement type, for example, privacy statement displayed in the startup wizard or privacy statement displayed when the location service is enabled.|
| isConfirmed | boolean | Yes| Callback used to return the result, which indicates whether the user agrees with the privacy statement.|
| isConfirmed | boolean | Yes| Whether the user agrees with the privacy statement.|
**Error codes**
......@@ -1975,7 +1975,7 @@ Defines a reverse geocoding request.
| -------- | -------- | -------- | -------- | -------- |
| locale | string | Yes| Yes| Language used for the location description. **zh** indicates Chinese, and **en** indicates English.|
| latitude | number | Yes| Yes| Latitude information. A positive value indicates north latitude, and a negative value indicates south latitude.|
| longitude | number | Yes| Yes| Longitude information. A positive value indicates east longitude , and a negative value indicates west longitude .|
| longitude | number | Yes| Yes| Longitude information. A positive value indicates east longitude, and a negative value indicates west longitude.|
| maxItems | number | Yes| Yes| Maximum number of location records to be returned.|
......@@ -2005,7 +2005,7 @@ Defines a geographic location.
| Name| Type| Readable|Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| latitude | number | Yes| No | Latitude information. A positive value indicates north latitude, and a negative value indicates south latitude.|
| longitude | number | Yes| No | Longitude information. A positive value indicates east longitude , and a negative value indicates west longitude .|
| longitude | number | Yes| No | Longitude information. A positive value indicates east longitude, and a negative value indicates west longitude.|
| locale | string | Yes| No | Language used for the location description. **zh** indicates Chinese, and **en** indicates English.|
| placeName | string | Yes| No | Landmark of the location.|
| countryCode | string | Yes| No | Country code.|
......@@ -2022,7 +2022,7 @@ Defines a geographic location.
| addressUrl | string | Yes| No| Website URL.|
| descriptions | Array&lt;string&gt; | Yes| No| Additional descriptions.|
| descriptionsSize | number | Yes| No| Total number of additional descriptions.|
| isFromMock | Boolean | Yes| No| Whether the geographical name is from the mock reverse geocoding function.|
| isFromMock | Boolean | Yes| No| Whether the geographic name is from the mock reverse geocoding function.|
## LocationRequest
......@@ -2142,7 +2142,7 @@ Defines a location.
| Name| Type| Readable|Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| latitude | number| Yes| No| Latitude information. A positive value indicates north latitude, and a negative value indicates south latitude.|
| longitude | number| Yes| No| Longitude information. A positive value indicates east longitude , and a negative value indicates west longitude .|
| longitude | number| Yes| No| Longitude information. A positive value indicates east longitude, and a negative value indicates west longitude.|
| altitude | number | Yes| No| Location altitude, in meters.|
| accuracy | number | Yes| No| Location accuracy, in meters.|
| speed | number | Yes| No|Speed, in m/s.|
......@@ -2165,7 +2165,7 @@ Represents information of the mock reverse geocoding function.
| Name| Type| Readable|Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| location | [ReverseGeoCodeRequest](#reversegeocoderequest) | Yes| Yes| Latitude and longitude information.|
| geoAddress | [GeoAddress](#geoaddress) | Yes| Yes|Geographical name.|
| geoAddress | [GeoAddress](#geoaddress) | Yes| Yes|Geographic name.|
## LocationMockConfig
......
en/application-dev/reference/apis/js-apis-geolocation.md
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......@@ -21,7 +21,7 @@ If your application needs to access the device location information, it must fir
API versions earlier than 9: Apply for **ohos.permission.LOCATION**.
API version 9 and later: Apply for **ohos.permission.APPROXIMATELY\_LOCATION**, or apply for **ohos.permission.APPROXIMATELY\_LOCATION** and **ohos.permission.LOCATION**. Note that **ohos.permission.LOCATION** cannot be applied for separately.
API version 9 and later: Apply for **ohos.permission.APPROXIMATELY_LOCATION**, or apply for **ohos.permission.APPROXIMATELY_LOCATION** and **ohos.permission.LOCATION**. Note that **ohos.permission.LOCATION** cannot be applied for separately.
| API Version| Location Permission| Permission Application Result| Location Accuracy|
| -------- | -------- | -------- | -------- |
......@@ -971,7 +971,7 @@ Converts geographic description into coordinates through geocoding. This API use
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| Promise&lt;Array&lt;[GeoAddress](#geoaddress)&gt;&gt; | Array&lt;[GeoAddress](#geoaddress)&gt;|NA|Callback used to return the geocoding result.|
| Promise&lt;Array&lt;[GeoAddress](#geoaddress)&gt;&gt; | Array&lt;[GeoAddress](#geoaddress)&gt;|NA|Promise used to return the geocoding result.|
**Example**
......@@ -1265,7 +1265,7 @@ Defines a reverse geocoding request.
| -------- | -------- | -------- | -------- | -------- |
| locale | string | Yes| Yes| Language used for the location description. **zh** indicates Chinese, and **en** indicates English.|
| latitude | number | Yes| Yes| Latitude information. A positive value indicates north latitude, and a negative value indicates south latitude.|
| longitude | number | Yes| Yes| Longitude information. A positive value indicates east longitude , and a negative value indicates west longitude .|
| longitude | number | Yes| Yes| Longitude information. A positive value indicates east longitude, and a negative value indicates west longitude.|
| maxItems | number | Yes| Yes| Maximum number of location records to be returned.|
......@@ -1305,7 +1305,7 @@ Defines a geographic location.
| Name| Type| Readable|Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| latitude<sup>7+</sup> | number | Yes| No| Latitude information. A positive value indicates north latitude, and a negative value indicates south latitude.|
| longitude<sup>7+</sup> | number | Yes| No| Longitude information. A positive value indicates east longitude , and a negative value indicates west longitude .|
| longitude<sup>7+</sup> | number | Yes| No| Longitude information. A positive value indicates east longitude, and a negative value indicates west longitude.|
| locale<sup>7+</sup> | string | Yes| No| Language used for the location description. **zh** indicates Chinese, and **en** indicates English.|
| placeName<sup>7+</sup> | string | Yes| No| Landmark of the location.|
| countryCode<sup>7+</sup> | string | Yes| No| Country code.|
......@@ -1493,7 +1493,7 @@ Defines a location.
| Name| Type| Readable|Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| latitude<sup>7+</sup> | number | Yes| No| Latitude information. A positive value indicates north latitude, and a negative value indicates south latitude.|
| longitude<sup>7+</sup> | number | Yes| No| Longitude information. A positive value indicates east longitude , and a negative value indicates west longitude .|
| longitude<sup>7+</sup> | number | Yes| No| Longitude information. A positive value indicates east longitude, and a negative value indicates west longitude.|
| altitude<sup>7+</sup> | number | Yes| No| Location altitude, in meters.|
| accuracy<sup>7+</sup> | number | Yes| No| Location accuracy, in meters.|
| speed<sup>7+</sup> | number | Yes| No| Speed, in m/s.|
......
en/application-dev/reference/apis/js-apis-system-location.md
浏览文件 @ 746bd40b
# Geographic Location
> **NOTE**
> - The APIs of this module are no longer maintained since API version 7. You are advised to use [`@ohos.geolocation`](js-apis-geolocation.md).
> - The initial APIs of this module are supported since API version 3. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> - The APIs provided by this module are no longer maintained since API version 9. You are advised to use [geoLocationManager](js-apis-geoLocationManager.md) instead.
## Modules to Import
......@@ -18,15 +18,12 @@ import geolocation from '@system.geolocation';
ohos.permission.LOCATION
## geolocation.getLocation<sup>(deprecated) </sup>
## geolocation.getLocation
getLocation(Object): void
Obtains the geographic location.
> **NOTE**
> This API is deprecated since API version 9. You are advised to use [geoLocationManager.getCurrentLocation](js-apis-geoLocationManager.md#geolocationmanagergetcurrentlocation).
**System capability**: SystemCapability.Location.Location.Lite
**Parameters**
......@@ -77,15 +74,12 @@ export default {
```
## geolocation.getLocationType<sup>(deprecated) </sup>
## geolocation.getLocationType
getLocationType(Object): void
Obtains the supported location types.
> **NOTE**
> This API is deprecated since API version 9.
**System capability**: SystemCapability.Location.Location.Lite
**Parameters**
......@@ -120,15 +114,12 @@ export default {
```
## geolocation.subscribe<sup>(deprecated) </sup>
## geolocation.subscribe
subscribe(Object): void
Listens to the geographical location. If this method is called multiple times, the last call takes effect.
> **NOTE**
> This API is deprecated since API version 9. You are advised to use [geoLocationManager.on('locationChange')](js-apis-geoLocationManager.md#geolocationmanageronlocationchange).
**System capability**: SystemCapability.Location.Location.Lite
**Parameters**
......@@ -175,15 +166,12 @@ export default {
```
## geolocation.unsubscribe<sup>(deprecated) </sup>
## geolocation.unsubscribe
unsubscribe(): void
Cancels listening to the geographical location.
> **NOTE**
> This API is deprecated since API version 9. You are advised to use [geoLocationManager.off('locationChange')](js-apis-geoLocationManager.md#geolocationmanagerofflocationchange).
**System capability**: SystemCapability.Location.Location.Lite
**Example**
......@@ -197,15 +185,12 @@ export default {
```
## geolocation.getSupportedCoordTypes<sup>(deprecated) </sup>
## geolocation.getSupportedCoordTypes
getSupportedCoordTypes(): Array&lt;string&gt;
Obtains coordinate system types supported by the device.
> **NOTE**
> This API is deprecated since API version 9.
**System capability**: SystemCapability.Location.Location.Lite
**Return Value**
......
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