🚀 react-native-find-local-devices

It can be helpful when you try to get a list of your local devices over WiFi when the devices includes at least one websocket connection.

This package allows you detect all devices over your local network with websocket connection.

You've to add a timeout and an array of ports as parameters. The package will try to create a connection with those ports and return the ip addresses which have successful connection.

NOTICE: It doesn't work with IOS yet. Related ticket: IOS support ticket

Installation

yarn add react-native-find-local-devices

or

npm install react-native-find-local-devices --save

Running the example project

Android

yarn example android

Usage

import PortScanner from 'react-native-find-local-devices';

const scanner = new PortScanner({
    timeout: 40,
    ports: [8000],
    onDeviceFound: (device) => {
      console.log('Found device!', device);
    },
    onFinish: (devices) => {
      console.log('Finished , devices:', devices);
    },
    onCheck: (device) => {
      console.log('Checking IP: ', device.ipAddress);
    },
    onNoDevices: () => {
      console.log('Finished scanning, no results have been found!');
    },
    onError: (error) => {
      // Called when no service found
      console.log('Error', error);
    },
  });

  // You can start the discovering with the following function:
  scanner.start();

  // When the discovering is running, you can cancel that with the following function:
  scanner.stop();

Advanced example with state management: https://github.com/RichardRNStudio/react-native-find-local-devices/blob/main/example/src/App.tsx

Properties of PortScanner class

Name	Type	Default value	Description
ports	number[]	none, required	Array of port numbers.
timeout	number	40	Timeout in millisecond to skip a specific device when it does not respond.
onDeviceFound	function	none	Callback function to handle moment when a new device has been found.
onFinish	function	none	Callback function to get all of devices which have been found during the progress.
onCheck	function	none	Callback function to responds the currently checked device's parameters.
onNoDevices	function	none	Callback function to notify, scanning has been finished, no results have been found.
onError	function	none	Callback function to responds any errors during the scanning.

Contributing

See the contributing guide to learn how to contribute to the repository and the development workflow.

License

MIT