Add the package to your react-native project in the following way
npm install react-native-telephony-manager
OR
yarn add react-native-telephony-manager
Link the current package to your react native project
react-native link react-native-telephony-manager
import Telephony from 'react-native-telephony-manager'
componentWillMount() {
Telephony.addEventListener(Telephony.LISTEN_CALL_STATE | Telephony.LISTEN_DATA_ACTIVITY,
(event) => {
if (event.type === 'LISTEN_CALL_STATE') {
console.log(event.data)
} else {
console.log(event.data)
}
})
Telephony.isNetworkRoaming((roaming) => {
if (roaming) {
// ...
}
})
Telephony.getNetworkClass((network) => {
switch(network) {
case "2G":
// ...
break;
case "3G":
// ...
break;
case "4G":
// ...
break;
default:
// ...
break;
}
})
Telephony.getCellInfo((cellInfos) => {
celInfos.map((info) => {
switch(info.connectionType) {
case "CDMA":
console.log(info.cellIdentity)
console.log(info.cellSignalStrength)
break;
case "WCDMA":
console.log(info.cellIdentity)
console.log(info.cellSignalStrength)
break;
case "GSM":
console.log(info.cellIdentity)
console.log(info.cellSignalStrength)
break;
case "LTE":
console.log(info.cellIdentity)
console.log(info.cellSignalStrength)
break;
default:
// ...
break;
}
})
})
}
componentWillUnmount() {
Telephony.removeEventListener()
}
Telephony.LISTEN_CALL_FORWARDING_INDICATOR
Telephony.LISTEN_CALL_STATE
Telephony.LISTEN_CELL_INFO
Telephony.LISTEN_CELL_LOCATION
Telephony.LISTEN_DATA_ACTIVITY
Telephony.LISTEN_DATA_CONNECTION_STATE
Telephony.LISTEN_MESSAGE_WAITING_INDICATOR
Telephony.LISTEN_SERVICE_STATE
Telephony.LISTEN_SIGNAL_STRENGTHS
Telephony.CALL_STATE_IDLE
Telephony.CALL_STATE_RINGING
Telephony.CALL_STATE_OFFHOOK
Telephony.DATA_ACTIVITY_NONE
Telephony.DATA_ACTIVITY_IN
Telephony.DATA_ACTIVITY_OUT
Telephony.DATA_ACTIVITY_INOUT
Telephony.DATA_ACTIVITY_DORMANT
Telephony.DATA_DISCONNECTED
Telephony.DATA_CONNECTING
Telephony.DATA_CONNECTED
Telephony.DATA_SUSPENDED
For any problems and doubt raise an issue.