Email SignIn in Android App with help of FireBase

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Email SignIn with help of FireBase

          what is firebase Auth?
Almost every app collects data of the user to give them access to use their app.there
are several reasons to collect data and creating user account one of the main reason to differentiate them and to give them access to what data they use they can save it.
so almost every have had different types of login. Some common examples of login are
login with facebook,loginwithG+, email login, signup with email, twitter login. So there are many auth providers in Android.
Firebase Auth is an Auth provider API by which you can set authentication in Android App by various Auth provides like facebook, twitter, G+, Gmail, email, GitHub.

email auth-
email auth in firebase by which you can set user login with the help of their email as
user write their email in firebase and click create an account then it sends a mail on your email to verify account and if you click on verify then account successfully verified.
Email Authentication is fully secured and all security feature provided by firebase.you can go on firebase doc  to view more about these methods in detail and you can customize it UI by your own way


            1. create 4 empty activity of name given below-

              1.MainActivity   (already made when creating a new project)

        2.LoginActivity

        3.RegisterActivity

        4.ForgetAndChangePasswordActivity  

      now their xml file also made

  * Then connect app with firebase and go to firebase console 

   and on email Signin

         2 now copy paste all xml and java code

                MainActivity.java 

                   LoginActivity.java

                            RegisterActivity.java

          forgetandchangepasswordactivity.java

                activity_forget_and_change_password.xml

             activity_login.xml

                           activity_main.xml

            activity_register.xmls

         AT LAST

   add values>colour.xml

    <color name="white">#ffffff</color>

and

build.grade(module app)

in dependency add-

       compile 'com.android.support:design:24.0.0'