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README.md

1#  WLAN
2
3### Introduction
4
5This sample shows how to use WLAN with eTS, including disabling and enabling the WLAN, scanning the WLAN and obtaining the scanning result, listening for WLAN status and Wi-Fi connection status, obtaining the IP address, country code, and checking whether the device supports WLAN features.
6
7### Usage
8
91. After the app is started, it checks whether the WLAN is activated. If it is activated, the app scans for available Wi-Fi networks and displays the list of available and connected Wi-Fi networks.
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112. Touch the toggle on the page to enable or disable the WLAN. The device listens for the WLAN statue, scans for available Wi-Fi networks, and displays the connected Wi-Fi network.
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133. Touch a Wi-Fi network in the list of available Wi-Fi networks to connect to the Wi-Fi network. If the Wi-Fi network is encrypted, a dialog box will be displayed asking you to enter the password.
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154. Touch **About** in the upper right corner of the home page. The obtained IP address, country code, and supported WLAN features are displayed.
16
17### Constraints
18
19This sample can only be run on standard-system devices.
20

README_zh.md

1# WLAN
2
3### 简介
4
5本示例展示了在eTS中WLAN的基本使用，包括禁用和启用WLAN、WLAN扫描和获取扫描结果、WLAN状态监听、WiFi连接状态监听、获取IP信息、获取国家码、判断设备是否支持WLAN相关特性。实现效果如下：
6
7![password](screenshots/device/password.png)
8
9### 相关概念
10
11WLAN：提供API实现wlan激活、扫描和连接WIFI等功能。
12
13### 相关权限
14
15获取WLAN信息权限：ohos.permission.GET_WIFI_INFO
16获取WLAN网络信息权限：ohos.permission.GET_WIFI_INFO_INTERNAL
17允许配置WLAN设备权限：ohos.permission.SET_WIFI_INFO
18获取WLAN配置信息权限：ohos.permission.GET_WIFI_CONFIG
19允许配置WLAN配置权限：ohos.permission.SET_WIFI_CONFIG
20允许控制WLAN连接状态权限：ohos.permission.MANAGE_WIFI_CONNECTION
21
22### 使用说明
23
241.启动应用后会判断WLAN是否激活，如果是激活状态，会扫描并展示可用WiFi列表，同时获取已连接WiFi信息并展示。
25
262.点击界面的Switch开关可以禁用和激活WLAN，界面会监听WLAN状态扫描可用WiFi列表，也会监听WiFi连接状态展示已连接WiFi。
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283.点击可用WLAN列表中的WLAN信息，可以连接WiFi，如果是加密类型，会弹窗输入密码后连接。
29
304.点击首页右上角的**关于**图标，进入关于界面，展示获取的IP信息、国家码和支持WLAN相关特性信息。
31
32### 约束与限制
33
341.本示例仅支持标准系统上运行。
35
362.本示例需要使用DevEco Studio 3.0 Beta4 (Build Version: 3.0.0.992, built on July 14, 2022)才可编译运行。
37
383.本示例需要使用@ohos.wifi系统权限的系统接口。使用Full SDK时需要手动从镜像站点获取，并在DevEco Studio中替换，具体操作可参考[替换指南](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/quick-start/full-sdk-switch-guide.md)。
39
404.本示例需要使用ohos.permission.GET_WIFI_INFO_INTERNAL、ohos.permission.MANAGE_WIFI_CONNECTION的权限为system_core级别(相关权限级别可通过[权限定义列表](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/security/permission-list.md)查看)，需要手动配置对应级别的权限签名。