New Feature in Nearby Service: Wi-Fi Sharing - Huawei Developers

1. Introduction to Wi-Fi Sharing
We've grown accustomed to having to spend time connecting our devices to Wi-Fi networks in new locations. Requesting and entering a Wi-Fi password can often be a hassle, and sometimes it can prove to be a major frustration. But perhaps more importantly, this process also comes with password leakage risks. HUAWEI Nearby Service offers a Wi-Fi sharing feature. When this feature is integrated, your app will be equipped to help users connect a wide range of smart devices to the Wi-Fi networks they encounter.
2. Wi-Fi Sharing Principles and Highlights
2.1 Principles
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As shown in the figure above, users can use Bluetooth to enable their phones to discover devices, such as other phones, smart TVs, TV boxes, or smart speakers. Then they can simply select a device, after which Nearby Service will automatically configure the Wi-Fi settings and connect the device to the Wi-Fi network.
2.2 Hassle-Free Wi-Fi Connections
With the Wi-Fi sharing feature, users can connect their devices to Wi-Fi without needing to request and enter a Wi-Fi password, manually turn on the Wi-Fi switch for the device to be connected, or spend time determining a suitable Wi-Fi network, greatly enhancing the user experience across the board.
2.3 Effective Safeguards for User's Wi-Fi Information
1. Only the currently connected Wi-Fi network on the user's device can be shared. Wi-Fi networks that are saved on the device but not connected cannot be shared, ensuring that they are not affected.
2. Wi-Fi passwords are not disclosed, preventing password leakage.
3. HMS Core encrypts Wi-Fi passwords before transmission, preventing them from being eavesdropped.
4. HMS Core automatically configures the Wi-Fi on the device to be connected. The SSID and Wi-Fi passwords are not provided externally.
5. Only nearby devices (for example, devices within 10 meters) are eligible to share Wi-Fi.
6. A verification mechanism is provided for users to reject applications from untrusted devices.
3. Integration of Wi-Fi Sharing
3.1 Integration Process
1. Enable Wi-Fi sharing.
a. Call WifiSharePolicy to set or share Wi-Fi as required.
b. Register WifiShareCallback to process callback events.
c. Call the startWifiShare() API to enable Wi-Fi sharing.
2. Share Wi-Fi.
Call the shareWifiConfig() API to share Wi-Fi with the remote endpoint.
3. Disable Wi-Fi sharing.
Call the stopWifiShare() API to disable Wi-Fi sharing on the local endpoint.
3.2 Integration Restrictions
1. Devices whose Wi-Fi is to be shared must be Huawei phones that run EMUI 4 or later and have HMS Core installed.
2. Devices to be connected to Wi-Fi must run Android 5.0 or later and have HMS Core installed.
3. The Wi-Fi to be connected should be encrypted in WPA2-PSK mode.
4. Learn More
For more information, please visit HUAWEI Developers-Nearby Service.
For detailed instructions, please visit Development Guide.
To download the demo and sample code, please visit Github.