Tutorial 5 - Email Verification

 

This is Sample Project Which you can improve UI design & Coding skills .

*Once user is Registered Automatically send Verification Email* 

If you get any trouble. Please Contact me on WhatsApp!!

RegisterActivity

activity_home

HomeActivity

package com.rrmchathura.myfirstapp;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.annotations.NotNull;
import com.google.firebase.firestore.DocumentReference;
import com.google.firebase.firestore.FirebaseFirestore;

import java.util.HashMap;
import java.util.Map;

public class RegisterActivity extends AppCompatActivity {

    public static final String TAG = "TAG";
    private EditText mFullName,mEmail,mPassword,mPhone;
    private Button mRegisterBtn;
    ProgressBar progressBar;

    private FirebaseAuth fAuth;
    FirebaseFirestore fStore;

    String userID;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_register);

      mFullName = findViewById(R.id.fullName);
      mEmail = findViewById(R.id.email);
      mPassword = findViewById(R.id.password);
      mPhone = findViewById(R.id.phone);
      mRegisterBtn = findViewById(R.id.registerBtn);

      fAuth = FirebaseAuth.getInstance();
      fStore = FirebaseFirestore.getInstance();
      progressBar = findViewById(R.id.progressBar);

      if (fAuth.getCurrentUser() != null){
        startActivity(new Intent(RegisterActivity.this,LoginActivity.class));
        finish();
      }

        mRegisterBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String email = mEmail.getText().toString().trim();
                String password = mPassword.getText().toString().trim();
                String fullName = mFullName.getText().toString();
                String phone = mPhone.getText().toString();


                if (TextUtils.isEmpty(fullName)){
                    mFullName.setError("Full Name is Required");
                    return;
                }
                if (TextUtils.isEmpty(email)){
                    mEmail.setError("Email is Required");
                    return;
                }
                if (TextUtils.isEmpty(phone)){
                    mPhone.setError("Phone is Required ");
                    return;
                }
                if (phone.length() < 10){
                    mPhone.setError("Invalid Number");
                }
                if (TextUtils.isEmpty(password)){
                    mPassword.setError("Password is Required");
                    return;
                }
                if (password.length() < 6){
                    mPassword.setError("Password  Must be >= 6 Characters");
                }

                progressBar.setVisibility(View.VISIBLE);

                //register the user
       fAuth.createUserWithEmailAndPassword(email,password)
               .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
       @Override
       public void onComplete(@NonNull @NotNull Task<AuthResult> task) {
                 if (task.isSuccessful()){

                    ////send verification link onece user Registerd

                     FirebaseUser fuser = fAuth.getCurrentUser();
                     fuser.sendEmailVerification().
                             addOnSuccessListener(new OnSuccessListener<Void>() {
                         @Override
                         public void onSuccess(Void unused) {
                             Toast.makeText(RegisterActivity.
                                     this,"Verification Email Has been Sent",
                                     Toast.LENGTH_SHORT).show();
                         }
                     }).addOnFailureListener(new OnFailureListener() {
                         @Override
                         public void onFailure(@NonNull Exception e) {
                             Log.d(TAG,"onFailure Email sent " + e.getMessage());
                         }
                     });


                   Toast.makeText(RegisterActivity.
                         this,"User is Created",Toast.LENGTH_SHORT).show();
                   userID = fAuth.getCurrentUser().getUid();
                       DocumentReference documentReference = fStore.
                                    collection("users").document(userID);
                            Map<String,Object> user = new HashMap<>();
                            user.put("fName",fullName);
                            user.put("email",email);
                            user.put("phone",phone);
                   documentReference.set(user).
                       addOnSuccessListener(new OnSuccessListener<Void>() {
                   @Override
                   public void onSuccess(Void unused) {
                   Log.d(TAG,"onSuccess: user Profile is created for "+ userID);
                                }

                            });
                            startActivity(new Intent(RegisterActivity.
                                    this,LoginActivity.class));

                        }else {
                            Toast.makeText(RegisterActivity.this,
                                    "Error !" + task.getException().getMessage(),
                                    Toast.LENGTH_SHORT).show();
                            progressBar.setVisibility(View.GONE);

                        }
                    }
                });

            }
        });

    }

    public void Registertext(View view) {
        startActivity(new Intent(RegisterActivity.this,LoginActivity.class));
        finish();
    }

}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".HomeActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:background="@drawable/top_gradient" />

    <TextView

        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Covid Tracker"
        android:textStyle="bold"
        android:layout_marginTop="10dp"
        android:height="30dp"
        android:fontFamily="sans-serif-smallcaps"
        android:textAlignment="center"
        android:textSize="25dp"
        android:textColor="@color/white"
        android:gravity="center_horizontal" />

    <ScrollView

        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="50dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginLeft="10dp"
        android:layout_marginTop="40dp"
        android:layout_marginRight="10dp"
        android:orientation="vertical">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="30dp"
            android:text="Your Profile"
            android:fontFamily="@font/baloo"
            android:textAlignment="center"
            android:textSize="20dp"
            android:gravity="center_horizontal" />

        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_gravity="center"
            android:layout_marginTop="20dp"
            android:src="@drawable/ic_user"
            android:scaleType="centerCrop"
            />

        <EditText
            android:id="@+id/profileName"
            android:layout_width="350dp"
            android:layout_height="45dp"
            android:editable="false"
            android:textColor="@color/textcolor"
            android:background="@drawable/input_style"
            android:drawableRight="@drawable/ic_user"
            android:hint="Your Name"
            android:layout_gravity="center"
            android:paddingRight="10dp"
            android:paddingLeft="10dp"
            android:layout_marginTop="10dp"
            android:fontFamily="@font/baloo"
            />

        <EditText
            android:id="@+id/profileEmail"
            android:layout_width="350dp"
            android:layout_height="45dp"
            android:editable="false"
            android:background="@drawable/input_style"
            android:drawableRight="@drawable/ic_email"
            android:hint="Your Email Address"
            android:textColor="@color/textcolor"
            android:layout_gravity="center"
            android:paddingRight="10dp"
            android:paddingLeft="10dp"
            android:layout_marginTop="10dp"
            android:fontFamily="@font/baloo"
            />

        <EditText
            android:id="@+id/profilePhone"
            android:layout_width="350dp"
            android:layout_height="45dp"
            android:editable="false"
            android:background="@drawable/input_style"
            android:drawableRight="@drawable/ic_phone"
            android:hint="Your Phone"
            android:textColor="@color/textcolor"
            android:layout_gravity="center"
            android:paddingRight="10dp"
            android:paddingLeft="10dp"
            android:layout_marginTop="10dp"
            android:fontFamily="@font/baloo"
            />
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <TextView
                android:id="@+id/verifyMsg"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="Email Not Verified !"
                android:visibility="invisible"
                android:textAlignment="center"
                android:gravity="center_horizontal"
                android:layout_marginTop="30dp"
                android:fontFamily="@font/brandon_grotesque_black"
                android:textSize="20dp"
                android:textColor="@color/col_red"
                />
            <Button
                android:id="@+id/resendCode"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:visibility="invisible"
                android:text="Verify Now"
                android:background="@drawable/button_style"
                android:textAllCaps="true"
                android:layout_marginTop="5dp"
                android:textStyle="bold"
                android:textColor="#FFF"
                />

        </LinearLayout>



    </LinearLayout>
    </ScrollView>
    <Button
        android:id="@+id/btn_logout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/button_style"
        android:layout_alignParentEnd="true"
        android:text="Log Out"
        android:textSize="18dp"
        android:textStyle="bold"
        android:textColor="#FFF"
        android:layout_alignParentRight="true"
        android:layout_alignParentBottom="true"/>

</RelativeLayout>

package com.rrmchathura.myfirstapp;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.firestore.DocumentReference;
import com.google.firebase.firestore.DocumentSnapshot;
import com.google.firebase.firestore.EventListener;
import com.google.firebase.firestore.FirebaseFirestore;
import com.google.firebase.firestore.FirebaseFirestoreException;

public class HomeActivity extends AppCompatActivity {

private EditText fullName,email,phone;
private TextView verifyMsg;
FirebaseAuth fAuth;
FirebaseFirestore fStore;
String userID;
Button resendCode;

    private Button logout;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home);

        fullName = findViewById(R.id.profileName);
        email = findViewById(R.id.profileEmail);
        phone = findViewById(R.id.profilePhone);

        logout = findViewById(R.id.btn_logout);

        resendCode = findViewById(R.id.resendCode);
        verifyMsg = findViewById(R.id.verifyMsg);

        verifyMsg.startAnimation((Animation) AnimationUtils.
          loadAnimation(HomeActivity.this,R.anim.animation_logo));



        fAuth = FirebaseAuth.getInstance();
        fStore = FirebaseFirestore.getInstance();



        userID = fAuth.getCurrentUser().getUid();
        FirebaseUser  user = fAuth.getCurrentUser();

        if (!user.isEmailVerified()){
            resendCode.setVisibility(View.VISIBLE);
            verifyMsg.setVisibility(View.VISIBLE);


                  //verify Button Ckicked


            resendCode.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(final View v) {

                user.sendEmailVerification().
                   addOnSuccessListener(new OnSuccessListener<Void>() {
                        @Override
                        public void onSuccess(Void unused) {
                            Toast.makeText(HomeActivity.
                               this,"Verification Email Has been Sent",
                                    Toast.LENGTH_SHORT).show();
                        }
                    }).addOnFailureListener(new OnFailureListener() {
                        @Override
                        public void onFailure(@NonNull Exception e) {
                            Log.d("TAG","onFailure Email sent " +
                                    e.getMessage());
                        }
                    });
                }
            });
        }





        DocumentReference documentReference = fStore.
           collection("users").document(userID);
        documentReference.
           addSnapshotListener(new EventListener<DocumentSnapshot>() {
            @Override
            public void onEvent(@Nullable  DocumentSnapshot documentSnapshot,
                                @Nullable FirebaseFirestoreException error) {
                phone.setText(documentSnapshot.getString("phone"));
                fullName.setText(documentSnapshot.getString("fName"));
                email.setText(documentSnapshot.getString("email"));
            }
        });

        logout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                FirebaseAuth.getInstance().signOut();
                Toast.makeText(HomeActivity.
                        this,"Logeed Out!",Toast.LENGTH_SHORT).show();
                startActivity(new Intent(HomeActivity.
                        this,LoginActivity.class));
                finish();
            }
        });
    }
}