harmony 鸿蒙@ohos.enterprise.systemManager (System Management)
@ohos.enterprise.systemManager (System Management)
The systemManager module provides system management capabilities.
NOTE
The initial APIs of this module are supported since API version 11. Newly added APIs will be marked with a superscript to indicate their earliest API version.
The APIs of this module can be used only in the stage model.
The APIs provided by this module can be called only by a device administrator application that is enabled.
Modules to Import
import systemManager from '@ohos.enterprise.systemManager';
systemManager.setNTPServer
setNTPServer(admin: Want, server: string): void
Sets the NTP server information through the specified device administrator application.
Required permissions: ohos.permission.ENTERPRISE_MANAGE_SYSTEM
System capability: SystemCapability.Customization.EnterpriseDeviceManager
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
admin | Want | Yes | Device administrator application. |
server | string | Yes | NTP server addresses separated by a comma (,). For example, ntpserver1.com,ntpserver2.com. |
Error codes
For details about the error codes, see Enterprise Device Management Error Codes.
ID | Error Message |
---|---|
9200001 | the application is not an administrator of the device. |
9200002 | the administrator application does not have permission to manage the device. |
Example
import systemManager from '@ohos.enterprise.systemManager';
import Want from '@ohos.app.ability.Want';
let wantTemp: Want = {
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility',
};
let server: string = "ntpserver.com";
try {
systemManager.setNTPServer(wantTemp, server);
console.info('Succeeded in setting NTPserver');
} catch (error) {
console.error(`Failed to set usb policy. Code is ${err.code}, message is ${err.message}`);
}
systemManager.getNTPServer
getNTPServer(admin: Want): string
Obtains the NTP server information through the specified device administrator application.
Required permissions: ohos.permission.ENTERPRISE_MANAGE_SYSTEM
System capability: SystemCapability.Customization.EnterpriseDeviceManager
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
admin | Want | Yes | Device administrator application. |
Return value
Type | Description |
---|---|
string | NTP server information obtained. |
Error codes
For details about the error codes, see Enterprise Device Management Error Codes.
ID | Error Message |
---|---|
9200001 | the application is not an administrator of the device. |
9200002 | the administrator application does not have permission to manage the device. |
Example
import systemManager from '@ohos.enterprise.systemManager';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
let wantTemp: Want = {
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility',
};
systemManager.getNTPServer(wantTemp).then((result) => {
console.info(`Succeeded in get NTP server, result : ${result}`);
}).catch((err: BusinessError) => {
console.error(`Failed to get NTP server. Code: ${err.code}, message: ${err.message}`);
});
##
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