addBroadcastRecieverForSMS.java

void addBroadcastRecieverForSMS() {
    Timber.d("addBroadcastReceiverForSMS");
    IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(SmsRetriever.SMS_RETRIEVED_ACTION);
    
    broadcastReceiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            Timber.d("SMS Broadcast receiver onReceive()");
            Bundle extras = intent.getExtras();
            Status status = (Status) extras.get(SmsRetriever.EXTRA_STATUS);

            switch(status.getStatusCode()) {
                case CommonStatusCodes.SUCCESS:
                    Timber.d("onReceive() success");
                    // Get SMS message contents
                    String message = (String) extras.get(SmsRetriever.EXTRA_SMS_MESSAGE);
                    String otp = extraSMSCode(message);
                    //Sent OTP to backend for verification
                    break;

                case CommonStatusCodes.TIMEOUT:
                    Timber.d("onReceive() timeout");
                    break;

                default :
            }
        }
        startSmsRetriever();
        getActivity().registerReceiver(broadcastReceiver, intentFilter);
    };
}