PhoneAuth2

Author: AdityaKeshan

app/src/main/java/com/example/ffccapp/Main.java

@@ -34,6 +34,7 @@ public boolean onCreateOptionsMenu(Menu menu) {
         menuInflater.inflate(R.menu.main_menu,menu);
         return super.onCreateOptionsMenu(menu);
     }
+
     @Override
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         super.onOptionsItemSelected(item);

app/src/main/java/com/example/ffccapp/MainActivity.java

@@ -1,5 +1,6 @@
 package com.example.ffccapp;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.content.Intent;
@@ -9,23 +10,63 @@
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.EditText;
 import android.widget.TextView;
+import android.widget.Toast;
 
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
 import com.google.firebase.FirebaseException;
 import com.google.firebase.FirebaseTooManyRequestsException;
+import com.google.firebase.auth.AuthResult;
 import com.google.firebase.auth.FirebaseAuth;
 import com.google.firebase.auth.FirebaseAuthInvalidCredentialsException;
+import com.google.firebase.auth.FirebaseUser;
 import com.google.firebase.auth.PhoneAuthCredential;
 import com.google.firebase.auth.PhoneAuthProvider;
 
 import java.util.concurrent.TimeUnit;
 
 public class MainActivity extends AppCompatActivity {
-    public static PhoneAuthProvider.OnVerificationStateChangedCallbacks mCallbacks;
+
     static FirebaseAuth mAuth;
-    TextView phone;
+    static TextView phone,code;
+    static String codesent,cod;
+
+    public void logo(View v)
+    {
+        cod=code.getText().toString();
+        Toast.makeText(this, codesent, Toast.LENGTH_SHORT).show();
+        PhoneAuthCredential credential=PhoneAuthProvider.getCredential(codesent,cod);
+        signInWithPhoneAuthCredential(credential);
+    }
+    public void clickStartVerification(View v){
 
-    public void clickStartVerification(){
-        getOtp(phone.getText().toString());
+        String z=(phone.getText().toString());
+        if(z==null)
+        {
+            Toast.makeText(this, "Enter a valid number", Toast.LENGTH_SHORT).show();
+        }
+        else
+        {
+            getOtp(z);
+        }
+    }
+    private void signInWithPhoneAuthCredential(PhoneAuthCredential credential) {
+        mAuth.signInWithCredential(credential)
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
+                    @Override
+                    public void onComplete(@NonNull Task<AuthResult> task) {
+                        if (task.isSuccessful()) {
+                            Toast.makeText(MainActivity.this, "Login Successful", Toast.LENGTH_SHORT).show();
+
+                        } else {
+                            if (task.getException() instanceof FirebaseAuthInvalidCredentialsException) {
+                                // The verification code entered was invalid
+
+                                Toast.makeText(MainActivity.this, "Login UnSuccessful", Toast.LENGTH_SHORT).show();
+                            }
+                        }
+                    }
+                });
     }
     private void getOtp(String phoneNumber) {
         PhoneAuthProvider.getInstance().verifyPhoneNumber(
@@ -36,18 +77,29 @@ private void getOtp(String phoneNumber) {
                 mCallbacks);        // OnVerificationStateChangedCallbacks
     }
 
-
-    public void next(View v)
-    {
-        Intent I=new Intent(MainActivity.this,Main.class);
-        startActivity(I);
-    }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         mAuth=FirebaseAuth.getInstance();
         phone=(EditText)findViewById(R.id.phone);
-
+        code=findViewById(R.id.code);
     }
+    static PhoneAuthProvider.OnVerificationStateChangedCallbacks mCallbacks=new PhoneAuthProvider.OnVerificationStateChangedCallbacks() {
+        @Override
+        public void onVerificationCompleted(@NonNull PhoneAuthCredential phoneAuthCredential) {
+
+        }
+
+        @Override
+        public void onVerificationFailed(@NonNull FirebaseException e) {
+
+        }
+
+        @Override
+        public void onCodeSent(@NonNull String s, @NonNull PhoneAuthProvider.ForceResendingToken forceResendingToken) {
+            super.onCodeSent(s, forceResendingToken);
+            codesent=s;
+        }
+    };
 }

app/src/main/java/com/example/ffccapp/Verify.java

@@ -20,7 +20,10 @@ public class Verify extends AppCompatActivity {
 
     private PhoneAuthProvider.OnVerificationStateChangedCallbacks mCallbacks;
     private String verificationId;
-    PhoneAuthCredential credential = PhoneAuthProvider.getCredential(verificationId, code);
+    PhoneAuthCredential credential = PhoneAuthProvider.getCredential(verificationId, " ");
+    private String mVerificationId;
+    private PhoneAuthProvider.ForceResendingToken mResendToken;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

app/src/main/res/layout/activity_main.xml

@@ -40,18 +40,37 @@
                     android:ems="10"
                     android:hint="Phone Number"
                     android:inputType="phone"
-                android:layout_centerInParent="true"
+
                     />
+            <Button
+                android:id="@+id/send"
+                android:layout_width="162dp"
+                android:layout_height="49dp"
+                android:layout_below="@id/phone"
+                android:layout_centerHorizontal="true"
+                android:layout_marginTop="20dp"
+                android:background="@drawable/rectangle_2"
+                android:onClick="clickStartVerification"
+                android:text="SEND" />
+            <EditText
+                android:id="@+id/code"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:ems="10"
+                android:hint="Verification code"
+                android:inputType="phone"
+                android:layout_below="@+id/send"
+                />
 
             <Button
                 android:id="@+id/login"
                 android:layout_width="162dp"
                 android:layout_height="49dp"
-                android:layout_below="@id/phone"
+                android:layout_below="@id/code"
                 android:layout_centerHorizontal="true"
-                android:layout_marginTop="70dp"
+                android:layout_marginTop="30dp"
                 android:background="@drawable/rectangle_2"
-                android:onClick="next"
+                android:onClick="logo"
                 android:text="LOGIN" />
         </RelativeLayout>
     </RelativeLayout>