interface_sdk-js/api/@ohos.systemparameter.d.ts
dy_study 9ce199ec7b IssueNo:#I4V1I2:能力补齐提交
Description:接口标签更新
Sig:SIG_ApplicationFramework
Feature or Bugfix: Feature
Binary Source: No

Signed-off-by: dy_study <dingyao5@huawei.com>
2022-03-04 11:52:53 +08:00

96 lines
2.9 KiB
TypeScript

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { AsyncCallback, BusinessError } from './basic';
/**
* The interface of system parameters class.
*
* @since 6
* @syscap SystemCapability.Startup.SysInfo
* @systemapi Hide this for inner system use.
*/
declare namespace systemParameter {
/**
* Gets the value of the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param def Default value.
* @return if the parameter is empty or doesn't exist, empty string will be returned.
* @since 6
*/
function getSync(key: string, def?: string): string;
/**
* Gets the value of the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param callback Callback function.
* @since 6
*/
function get(key: string, callback: AsyncCallback<string>): void;
/**
* Gets the value of the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param def Default value.
* @param callback Callback function.
* @since 6
*/
function get(key: string, def: string, callback: AsyncCallback<string>): void;
/**
* Gets the value of the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param def Default value.
* @return Promise, which is used to obtain the result asynchronously.
* @since 6
*/
function get(key: string, def?: string): Promise<string>;
/**
* Sets a value for the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param value System attribute value to set.
* @since 6
*/
function setSync(key: string, value: string): void;
/**
* Sets a value for the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param value System attribute value to set.
* @param callback Callback function.
* @since 6
*/
function set(key: string, value: string, callback: AsyncCallback<void>): void;
/**
* Sets a value for the attribute with the specified key.
*
* @param key Key of the system attribute.
* @param value Default value.
* @return Promise, which is used to obtain the result asynchronously.
* @since 6
*/
function set(key: string, value: string): Promise<void>;
}
export default systemParameter;