auto_sms_verification #

With the auto_sms_verification plugin, you can perform SMS-based user verification in your Android app automatically, without requiring the user to manually type verification codes, and without requiring any extra app permissions.

Please check the original doc as well https://developers.google.com/identity/sms-retriever/overview

Getting Started #

Import package #

import 'package:auto_sms_verification/auto_sms_verification.dart';

Get Signature Code #

var appSignature = await AutoSmsVerification.appSignature();

Add Widget #

listen SMS

void _startListeningOtpCode() async {
    var sms = await AutoSmsVerification.startListeningSms();
    _smsCode = getCode(sms) ?? '';
}

Call function in initState

@override
void initState() {
    super.initState();
    _startListeningOtpCode();
}

Stop Listening on dispose function

@override
  void dispose() {
    AutoSmsVerification.stopListening();
    super.dispose();
  }

Parse OTP from SMS #

String? getCode(String? sms) {
    if (sms != null) {
      final intRegex = RegExp(r'\d+', multiLine: true);
      final code = intRegex.allMatches(sms).first.group(0);
      return code;
    }
    return null;
}

Example Sms #

<#> MyApp: your one time code is 5664
fr4edrDVWsr