React-native-find-local-devices NPM

yarn add react-native-find-local-devices

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

Android

yarn example android

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

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.