Discovering and Connecting to Wi-Fi Networks with Flutter's 'wifi' Plugin

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Discovering and Connecting to Wi-Fi Networks with Flutter's 'wifi' Plugin

The 'wifi' plugin empowers Flutter applications with the ability to access crucial Wi-Fi information and seamlessly connect to desired networks. This guide will lead you through integrating this plugin into your app and leveraging its capabilities.

Setup and Usage

  1. Add the Plugin: Specify the plugin as a dependency in your Flutter project's pubspec.yaml file:
dependencies:
  wifi: ^[version]
  1. Import the Plugin: Include the plugin in your Dart code:
import 'package:wifi/wifi.dart';

Features and Functionality

Checking Wi-Fi Status:

  • SSID: Obtain the current network's name (Service Set ID).
  • Signal Strength: Measure the signal strength (1-3, higher indicates stronger signal).
  • IP Address: Retrieve the device's IP address.

Connecting to Wi-Fi:

  • Connect: Establish a connection to a specific network using its SSID and password.

Wi-Fi List (Android Only):

  • List: Fetch a list of available Wi-Fi networks based on a specified key.

Usage Examples

Example 1: Retrieving Wi-Fi Information

String ssid = await Wifi.ssid;
int level = await Wifi.level;
String ip = await Wifi.ip;

Example 2: Connecting to a Wi-Fi Network

var result = await Wifi.connection('ssid', 'password');

Example 3: Listing Wi-Fi Networks (Android)

List list = await Wifi.list('key');

iOS Considerations

iOS 11 and Above:

  • Add 'NetworkExtension.framework' to 'Link Binary with Libraries' in 'Build Phases'.
  • Enable 'Hotspot Configuration' in 'Capabilities'.

iOS 12 and Above:

  • Additionally, enable 'Access Wi-Fi Information' in 'Capabilities'.

iOS Wi-Fi List:

To use Wifi.list on iOS, refer to: iOS Wi-Fi List.

Conclusion:

By utilizing the 'wifi' plugin, Flutter developers can effortlessly access and manage Wi-Fi connections within their apps. Its features provide a comprehensive solution for retrieving network information, establishing connections, and listing available networks. With its support for Android and iOS, this plugin empowers developers to create seamless and connected user experiences.

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