Welcome to Facebook Account Kit Flutter Version!

What's that?

As you all know, Facebook Account Kit - powered by Facebook - lets you quickly register for and login to your app by using just user's phone number. It's reliable and easy to integrate. Now it's is available in Flutter.

Let's prepare some your own Facebook Developer information !!!

• Access Facebook Developer : https://developers.facebook.com
• Create new app
• Add AccountKit to your Facebook Developer project

Note: If your project just provide for only 1 platform. You can skip the other part.

*** For Android Configuration:

• Open your project, create strings.xml file at this path: \android\app\src\main\res
• Add 2 variables like below:

<?xml version="1.0" encoding="utf-8"?>  
<resources>  
    <string name="FACEBOOK_APP_ID" translatable="false">[YOUR_FACEBOOK_APP_ID]</string>  
    <string name="ACCOUNT_KIT_CLIENT_TOKEN" translatable="false">[ACCOUNT_KIT_CLIENT_TOKEN]</string>  
</resources>

About the Facebook App ID and Account Kit Client Token, please keep reading

• Set up your AndroidManifest.xml in /android/app/src/main. Full code here.

*** For iOS Configuration:

• Open ios\Runner\Info.plist by right click -> open by source code
• Copy and paste this inside the space between <dict></dict> tag.

	<key>FacebookAppID</key>
    <string>[YOUR_FACEBOOK_APP_ID]</string>
    <key>AccountKitClientToken</key>
    <string>[ACCOUNT_KIT_CLIENT_TOKEN]</string>
    <key>CFBundleURLTypes</key>
    <array>
        <dict>
            <key>CFBundleURLSchemes</key>
            <array>
                <string>ak[YOUR_FACEBOOK_APP_ID]</string>
            </array>
        </dict>
    </array>

About Facebook App Id and Account Kit Client Token:

YOUR_FACEBOOK_APP_ID: you can get it in picture below and simply press to copy ACCOUNT_KIT_CLIENT_TOKEN:

... It's done for configuration !! Let's go back to Flutter main.dart

How to use?

It's very easy !!!

1. Add dependency to your pubspec.yaml file:

dependencies:  
    fb_accountkit_flutter: ^0.0.2

And do not forget to call flutter get to get the dependency in pub.dev

2. Import to your code:

import 'package:fb_accountkit_flutter/fb_accountkit_flutter.dart';

3. Call open AccountKit whenever you want:

Result result = await FbAccountkitFlutter.startAuthentication()

Example Function

import 'dart:async';  
import 'package:flutter/services.dart';  
import 'package:fb_accountkit_flutter/fb_accountkit_flutter.dart';

Future<void> openFacebookActivity() async {  
  Result result;  
  
  try {  
    FbAccountkitFlutter.defaultCountryCode = "[YOUR DEFAULT COUNTRY CODE]"; // Ex:  US, AL etc.  
	// Find more here : https://developers.facebook.com/docs/accountkit/countrycodes/  
	FbAccountkitFlutter.codeIso = "[YOUR ISO CODE]"; // Ex: 93, 355 etc.  
	// Find Dialing Code here : https://developers.facebook.com/docs/accountkit/countrycodes/  
	FbAccountkitFlutter.countryCode = "[YOUR COUNTRY CODE]";  
    // Find A 3 in here : http://kirste.userpage.fu-berlin.de/diverse/doc/ISO_3166.html  
	
	// Optional  
	FbAccountkitFlutter.phone = "[INITIAL PHONE]";  
	
	// Request open accountkit  
	result = await FbAccountkitFlutter.startAuthentication();  
  
  } on PlatformException catch(e) {  
    print(e);  
    result = null;  
  }  
  
}

You can read the full code in the example package also.

Happy Coding !