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myfave-react-native-android-wifi

react-native-android-wifi

A react-native module for viewing and connecting to Wifi networks on Android devices.

Installation

Add it to your android project

npm install react-native-android-wifi --save

Install the native dependencies

Use react-native link to install native dependencies automatically:

react-native link

or do it manually as described here.

Example usage

var wifi = require('react-native-android-wifi')

Wifi connectivity status:

wifi.isEnabled((isEnabled) => {
  if (isEnabled) {
    console.log("wifi service enabled");
  } else {
    console.log("wifi service is disabled");
  }
});

Enable/Disable wifi service:

//Set TRUE to enable and FALSE to disable; 
wifi.setEnabled(true);

Sign device into a specific network:

This method doesn't have a callback when connection succeeded, check this issue.

//found returns true if ssid is in the range
wifi.findAndConnect(ssid, password, (found) => {
  if (found) {
    console.log("wifi is in range");
  } else {
    console.log("wifi is not in range");
  }
});

Disconnect current wifi network

wifi.disconnect();

Get current SSID

wifi.getSSID((ssid) => {
  console.log(ssid);
});

Get current BSSID

wifi.getBSSID((bssid) => {
  console.log(bssid);
});

Get all wifi networks in range

/*
wifiStringList is a stringified JSONArray with the following fields for each scanned wifi
{
  "SSID": "The network name",
  "BSSID": "The address of the access point",
  "capabilities": "Describes the authentication, key management, and encryption schemes supported by the access point"
  "frequency":"The primary 20 MHz frequency (in MHz) of the channel over which the client is communicating with the access point",
  "level":"The detected signal level in dBm, also known as the RSSI. (Remember its a negative value)",
  "timestamp":"Timestamp in microseconds (since boot) when this result was last seen"
}
*/
wifi.loadWifiList((wifiStringList) => {
  var wifiArray = JSON.parse(wifiStringList);
    console.log(wifiArray);
  },
  (error) => {
    console.log(error);
  }
);

connectionStatus returns true or false depending on whether device is connected to wifi

wifi.connectionStatus((isConnected) => {
  if (isConnected) {
      console.log("is connected");
    } else {
      console.log("is not connected");
  }
});

Get connected wifi signal strength

//level is the detected signal level in dBm, also known as the RSSI. (Remember its a negative value)
wifi.getCurrentSignalStrength((level) => {
  console.log(level);
});

Get connected wifi frequency

wifi.getFrequency((frequency) => {
  console.log(frequency);
})

Get current IP

//get the current network connection IP
wifi.getIP((ip) => {
  console.log(ip);
});

Remove/Forget the Wifi network from mobile by SSID, returns boolean

wifi.isRemoveWifiNetwork(ssid, (isRemoved) => {
  console.log("Forgetting the wifi device - " + ssid);
});

Starts native Android wifi network scanning and returns list

wifi.reScanAndLoadWifiList((wifiStringList) => {
  var wifiArray = JSON.parse(wifiStringList);
  console.log('Detected wifi networks - ',wifiArray);
});

Method to force wifi usage. Android by default sends all requests via mobile data if the connected wifi has no internet connection.

//Set true/false to enable/disable forceWifiUsage.
//Is important to enable only when communicating with the device via wifi
//and remember to disable it when disconnecting from device.
wifi.forceWifiUsage(true);