Integrating Google Popup Login into Your Website with Google One Tap API

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Integrating Popup Login into Your Website with Google One Tap API

Demo:


Introduction:
Popup login is a user-friendly way to provide login functionality on your website without the need for multiple pages or complex forms. In this tutorial, we will explore how to integrate Google's One Tap API to implement popup login on your website. We will break down the process into simple steps, allowing readers to easily understand and implement the solution. Additionally, we will add a code snippet to automatically trigger the popup on your website.

Step 1: Set Up a Google API Project

To get started, you need to have a Google API project set up. If you don't have one already, visit the Google Cloud Console (https://console.cloud.google.com) and create a new project. Obtain the necessary credentials (Client ID) for your project, as we will use it later in the tutorial.
Ref. :- https://developers.google.com/identity/gsi/web/guides/migration#popup-mode_1

Step 2: Modify the HTML Page

Open your HTML page where you want to implement the popup login. Change the title of the page to reflect the purpose of the tutorial:

<!DOCTYPE html>
<html>
<head>
    <title>Integrating Popup Login with Google One Tap API</title>
    <!-- Include Google One Tap library -->
    <script src="https://accounts.google.com/gsi/client" async defer></script>
</head>
<body>
    <!-- Your website content goes here -->
</body>
</html>
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Step 3: Create the Popup Login Form

Add a button on your website that triggers the Google One Tap popup login:

<!-- Your website content goes here -->
<button type="button" onclick="showGoogleOneTap()">Login with Google</button>
<!-- Continue with the rest of your content -->
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Step 4: Implement the JavaScript Code

Add the JavaScript code to handle the Google One Tap popup login and send user data to your backend API:

<!-- Your website content goes here -->
<button type="button" onclick="showGoogleOneTap()">Login with Google</button>
<!-- Continue with the rest of your content -->

<!-- Script to trigger Google One Tap popup login -->
<script>
    function showGoogleOneTap() {
        google.accounts.id.initialize({
            client_id: 'YOUR_CLIENT_ID', // Replace with your Google API Client ID
            callback: handleCredentialResponse
        });

        google.accounts.id.prompt(notification => {
            console.log(notification);
        }, credential => {
            handleCredentialResponse(credential);
        });
    }

    function handleCredentialResponse(response) {
        // The rest of the code for handling the login response and sending data to the backend remains the same
    }
</script>
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Step 5: Automatically Trigger the Popup

To automatically show the popup when users visit your website, you can add the following script at the end of the <script> section:

<!-- Your website content goes here -->
<button type="button" onclick="showGoogleOneTap()">Login with Google</button>
<!-- Continue with the rest of your content -->

<!-- Script to trigger Google One Tap popup login -->
<script>
    // ... Existing code for showGoogleOneTap() and handleCredentialResponse() ...

    // Automatically show the popup when the page loads
    window.onload = function() {
        showGoogleOneTap();
    };
</script>
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Conclusion

In this tutorial, we learned how to integrate Google's One Tap API to implement popup login on your website. By following the step-by-step tutorial and adding the code snippet to automatically trigger the popup, your website visitors can experience a smooth and seamless login process. With this implementation, users can easily log in to your website with their Google account, enhancing user experience and increasing engagement.

Feel free to customize the design and functionality to match your website's requirements. Always prioritize security and consider implementing additional authentication measures for a robust login system. Happy coding!

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