Mobile Deep Learning with TensorFlow Lite, ML Kit and Flutter

Code integration

To include ReCaptcha v2 in our application, we will be using the Flutter package, flutter_recaptcha_v2. Add the flutter_recaptcha_v2:0.1.0 dependency to the pubspec.yaml file, followed by running flutter packages get in the terminal to get the required dependency. The following steps discuss the integration in detail:

1. We will be adding the code to signup_signin_screen.dart. Start by importing the dependency:

import 'package:flutter_recaptcha_v2/flutter_recaptcha_v2.dart';

2. Next, create a RecaptchaV2Controller instance:

RecaptchaV2Controller recaptchaV2Controller = RecaptchaV2Controller();

3. The reCAPTCHA checkbox will be added as a widget. To start with, let's define a _createRecaptcha() method that returns the widget: ...