The first screen will be our Verification screen on which the user has to add his phone number. We will be creating a simple application which is having two screens. What we are going to build in this article? In this article, we will take a look at the implementation of Phone Authentication inside our App using Firebase. Firebase provides so many ways for authentication users such as Google, Email and Password, Phone, and many more. So this is how phone authentication works. He has to enter that verification code and verify his identity. Inside the app user has to enter his phone number after that he will receive a verification code on his mobile number. In phone authentication, the user has to verify his identity with his phone number. So for the purpose of authenticating the apps uses phone number authentication inside their apps. Many apps require their users to be authenticated. MVVM (Model View ViewModel) Architecture Pattern in Android.What does start() function do in multithreading in Java?.Java Concurrency – yield(), sleep() and join() Methods.

Lifecycle and States of a Thread in Java.Check if Email Address is Valid or not in Java.How to open dialer in Android through Intent?.How to Send Data From One Activity to Second Activity in Android?.How to build a simple Calculator app using Android Studio?.Implicit and Explicit Intents in Android with Examples.Android | Android Application File Structure.Firebase Authentication with Phone Number OTP in Android.Phone Number Verification using Firebase in Android.ISRO CS Syllabus for Scientist/Engineer Exam.

ISRO CS Original Papers and Official Keys.

GATE CS Original Papers and Official Keys.

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