#flutter #tutorial #firebase #flutterfirebase #firebasetutorial #firebaseauth
#flutterWeb #bedevelopers #PhoneAuthenticationFirebase
#Beginner's_Guide_to_Phone_Authentication_in_Flutter_with_Firebase
#How to send OTP from Firebase

Hi guys! In this video we will discuss… How to send OTP to user's phone number to authenticate him/her or create an account using the phone number.

What do you get in this video?
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00:00 – Introduction to the video.
00:25 – Discuss how to send and verify OTP and then create a user in the Firebase console.
02:27 – Creating a function to send OTP to the phone number.
03:21 – Creating an instance of the Firebase Auth class.
03:52 – Calling singInWithPhoneNumber using Firebase Auth instance.
04:34 – Deploying RecaptchaVerifier to check if the OTP was sent successfully or if it causes an error and then overrides the onError and onSucess functions.
07:30 – Checking the response of the OTP sent or failed. Based on this we send the error or value to the future.
09:40 – Creating another function that verifies the OTP sent by Firebase and entered by the user. Account creation also happens within this function.
14:17 – When we implement the function to send OTP to the FutureBuilder, based on that we will get the response of the function.
22:52 – Implemented OTP verification function in FutureBuilder to check the response of the function whether it failed or completed successfully.
28:47 – Enabling phone authentication in the Firebase console.
29:48 – Checking if it works or not.

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Plugins used: –

Firebase Authentication – https://pub.dev/packages/firebase_auth
Firebase core – https://pub.dev/packages/firebase_core

Source code –
https://github.com/vagish1/FirebaseFlutterCourse

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