A react-native implementation for viewing and connecting to Wifi networks on Android devices.
npm install react-native-android-wifiA react-native module for viewing and connecting to Wifi networks on Android devices.
bash
npm install react-native-android-wifi --save
`$3
Use react-native link to install native dependencies automatically:
bash
react-native link react-native-android-wifi
`
or do it manually as described here.$3
javascript
import wifi from 'react-native-android-wifi';
`Permissions: Starting with Android API 25, apps must be granted the ACCESS_COARSE_LOCATION (or ACCESS_FINE_LOCATION) permission in order to obtain results.
javascript
try {
const granted = await PermissionsAndroid.request(
PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION,
{
'title': 'Wifi networks',
'message': 'We need your permission in order to find wifi networks'
}
)
if (granted === PermissionsAndroid.RESULTS.GRANTED) {
console.log("Thank you for your permission! :)");
} else {
console.log("You will not able to retrieve wifi available networks list");
}
} catch (err) {
console.warn(err)
}
`Wifi connectivity status:
javascript
wifi.isEnabled((isEnabled) => {
if (isEnabled) {
console.log("wifi service enabled");
} else {
console.log("wifi service is disabled");
}
});
`Enable/Disable wifi service:
javascript
//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.
Added support for 'WPA2 PSK' wifi security mode and handling SSID for Lollipop and Kitkat.
javascript
//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 from current wifi network
javascript
wifi.disconnect();
`Get current SSID
javascript
wifi.getSSID((ssid) => {
console.log(ssid);
});
`Get current BSSID
javascript
wifi.getBSSID((bssid) => {
console.log(bssid);
});
`Get all wifi networks in range
javascript
/*
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
javascript
wifi.connectionStatus((isConnected) => {
if (isConnected) {
console.log("is connected");
} else {
console.log("is not connected");
}
});
`Get connected wifi signal strength
javascript
//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
javascript
wifi.getFrequency((frequency) => {
console.log(frequency);
})
`Get current IP
javascript
//get the current network connection IP
wifi.getIP((ip) => {
console.log(ip);
});
`
Get DHCP Server Adress
javascript
//get the DHCP server IP
wifi.getDhcpServerAddress((ip) => {
console.log(ip);
});
`Remove/Forget the Wifi network from mobile by SSID, returns boolean
This method will remove the wifi network as per the passed SSID from the device list.
javascript
wifi.isRemoveWifiNetwork(ssid, (isRemoved) => {
console.log("Forgetting the wifi device - " + ssid);
});
`Starts native Android wifi network scanning and returns list
Hard refresh the Android wifi scan, implemented using
to ensure that it automatically detects new wifi connections available.
` javascript
wifi.reScanAndLoadWifiList((wifiStringList) => {
var wifiArray = JSON.parse(wifiStringList);
console.log('Detected wifi networks - ',wifiArray);
},(error)=>{
console.log(error);
});
`Method to force wifi usage. Android by default sends all requests via mobile data if the connected wifi has no internet connection.
javascript
//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);
`Method to get connection status of a forced network (because it takes some time to be set up).
javascript
//Callback returns true if the process of forcing network usage is finished
wifi.connectionStatusOfBoundNetwork((isBound) => {
if (isBound) {
console.log('Network is bound');
} else {
console.log('Network isn\'t bound');
}
});
`
Add a hidden wifi network and connect to it
javascript
//Callback returns true if network added and tried to connect to it successfully
//It may take up to 15s to connect to hidden networks
wifi.connectToHiddenNetwork(ssid, password, (networkAdded) => {});
``