提交 4a178785 编写于 作者: L lvxiaoqiang

modify settings api

Signed-off-by: Nlvxiaoqiang <lvxiaoqiang1@huawei.com>
上级 31e6db7b
......@@ -19,9 +19,9 @@ import settings from '@ohos.settings';
None
## settings.getUri
## settings.getUriSync
getUri(name: string): string
getUriSync(name: string): string
Obtains the URI of a data item.
......@@ -38,13 +38,13 @@ Obtains the URI of a data item.
- Example
```
// Obtain the URI of a data item.
let urivar = settings.getUri('settings.screen.brightness');
let urivar = settings.getUriSync('settings.screen.brightness');
```
## settings.getValue
## settings.getValueSync
getValue(dataAbilityHelper: DataAbilityHelper, name: string, defValue: string): string
getValueSync(dataAbilityHelper: DataAbilityHelper, name: string, defValue: string): string
Obtains the value of a data item.
......@@ -66,18 +66,18 @@ Obtains the value of a data item.
// Obtain the value of 'settings.screen.brightness' (this data item already exists in the database).
let brightness = 'settings.screen.brightness';
let uri = settings.getUri(brightness);
let uri = settings.getUriSync(brightness);
let helper = featureAbility.acquireDataAbilityHelper(uri);
let value = settings.getValue(helper, brightness, '10');
let value = settings.getValueSync(helper, brightness, '10');
```
## settings.setValue
## settings.setValueSync
setValue(dataAbilityHelper: DataAbilityHelper, name: string, value: string): boolean
setValueSync(dataAbilityHelper: DataAbilityHelper, name: string, value: string): boolean
Sets the value of a data item.
If the specified data item exists in the database, the **setValue** method updates the value of the data item. If the data item does not exist in the database, the **setValue** method inserts the data item into the database.
If the specified data item exists in the database, the **setValueSync** method updates the value of the data item. If the data item does not exist in the database, the **setValueSync** method inserts the data item into the database.
To use this method, you must have the **ohos.permission.WRITE_SYSTEM_SETTING** permission.
......@@ -97,10 +97,10 @@ To use this method, you must have the **ohos.permission.WRITE_SYSTEM_SETTING** p
```
import featureAbility from '@ohos.featureAbility';
// Update the value of 'settings.screen.brightness'. (As this data item exists in the database, the setValue method
// Update the value of 'settings.screen.brightness'. (As this data item exists in the database, the setValueSync method
will update the value of the data item.)
let brightness = 'settings.screen.brightness';
let uri = settings.getUri(brightness);
let uri = settings.getUriSync(brightness);
let helper = featureAbility.acquireDataAbilityHelper(uri);
let ret = settings.setValue(helper, brightness, '100');
let ret = settings.setValueSync(helper, brightness, '100');
```
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