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. 10 112. 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. 12 133. 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. 14 154. 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