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README.md

1# Update App<a name="EN-US_TOPIC_0000001148414479"></a>
2
3-   [Introduction](#section182mcpsimp)
4-   [Directory Structure](#section190mcpsimp)
5-   [Description](#section198mcpsimp)
6-   [Repositories Involved](#section206mcpsimp)
7
8## Introduction<a name="section182mcpsimp"></a>
9
10The update app runs on the OHOS and provides an interactive GUI for users to perform version updates.
11
12It provides the following functions:
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141. Check for available update packages and display the check result.
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162. Download the update package and display the download progress.
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183. Trigger an update.
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204. Obtain the version information after a version update.
21
22## Directory Structure<a name="section190mcpsimp"></a>
23
24```
25base/update/app    # Update app code repository
26├── entry          # Access to the update app code
27│ └── src          # Update app code
28└── gradle         # Configuration files
29    └── wrapper    # Gradle configuration files
30```
31
32## Description<a name="section198mcpsimp"></a>
33
34The update app is implemented by using JavaScript, and the service logic is implemented by using C++. The JavaScript app interacts with the service logic through NAPI.
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36For details about the NAPI implementation, see the following:
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38base/update/updateservice/client
39
40## Repositories Involved<a name="section206mcpsimp"></a>
41
42Update subsystem
43
44**update\_app**
45
46[update\_updateservice](https://gitee.com/openharmony/update_updateservice)
47
48

README_zh.md

1# 升级客户端应用<a name="ZH-CN_TOPIC_0000001148414479"></a>
2
3-   [简介](#section182mcpsimp)
4-   [目录](#section190mcpsimp)
5-   [说明](#section198mcpsimp)
6-   [相关仓](#section206mcpsimp)
7
8## 简介<a name="section182mcpsimp"></a>
9
10升级客户端应用运行于OHOS 上，提供与用户进行交互的界面，并进行升级操作。
11
12主要功能包括：
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141、触发升级服务组件检查可用的升级包，显示升级包检查的结果
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162、下载升级包，显示下载的进度和状态
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183、触发升级
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204、升级完成后，显示升级后版本信息
21
22## 目录<a name="section190mcpsimp"></a>
23
24```
25base/update/app    # 升级客户端应用代码仓目录
26├── entry          # 升级客户端应用代码目录
27│ └── src          # 升级客户端源码目录
28└── gradle         # 配置文件目录目录
29    └── wrapper    # gradle配置文件目录目录
30```
31
32## 说明<a name="section198mcpsimp"></a>
33
34升级客户端应用由JavaScript实现，业务逻辑由C++实现，JS应用与业务逻辑通过NAPI进行交互。
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36NAPI的实现，请参考
37
38base/update/updateservice/client
39
40## 相关仓<a name="section206mcpsimp"></a>
41
42升级子系统
43
44**update\_app**
45
46[update\_updateservice](https://gitee.com/openharmony/update_updateservice)
47
48