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‎.idea/.gitignore

+3
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‎.idea/compiler.xml

+6
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‎.idea/gradle.xml

+23
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‎.idea/jarRepositories.xml

+25
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‎.idea/misc.xml

+9
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‎app/.gitignore

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/build

‎app/build.gradle

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plugins {
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id 'com.android.application'
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}
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android {
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compileSdkVersion 30
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buildToolsVersion "30.0.3"
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buildFeatures {
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viewBinding true
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}
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defaultConfig {
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applicationId "com.projects.firebasephoneauth"
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minSdkVersion 16
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targetSdkVersion 30
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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}
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apply plugin: 'com.google.gms.google-services'
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dependencies {
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implementation 'androidx.appcompat:appcompat:1.2.0'
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implementation 'com.google.android.material:material:1.3.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
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implementation 'com.google.firebase:firebase-auth:20.0.4'
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testImplementation 'junit:junit:4.+'
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androidTestImplementation 'androidx.test.ext:junit:1.1.2'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
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implementation platform('com.google.firebase:firebase-bom:26.5.0')
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implementation 'com.google.firebase:firebase-auth'
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implementation 'com.google.firebase:firebase-analytics'
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}

‎app/google-services.json

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‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/projects/firebasephoneauth/ExampleInstrumentedTest.java

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package com.projects.firebasephoneauth;
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import android.content.Context;
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import androidx.test.platform.app.InstrumentationRegistry;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
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assertEquals("com.projects.firebasephoneauth", appContext.getPackageName());
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.projects.firebasephoneauth">
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.FirebasePhoneAuth">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity
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android:name=".OTPActivity"/>
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</application>
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</manifest>

‎app/src/main/java/com/projects/firebasephoneauth/MainActivity.java

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package com.projects.firebasephoneauth;
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import androidx.appcompat.app.AppCompatActivity;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.EditText;
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import com.projects.firebasephoneauth.databinding.ActivityMainBinding;
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public class MainActivity extends AppCompatActivity {
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ActivityMainBinding binding;
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String phoneNumber;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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binding = ActivityMainBinding.inflate(getLayoutInflater());
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setContentView(binding.getRoot());
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binding.sendOTP.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent = new Intent(MainActivity.this, OTPActivity.class);
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intent.putExtra("phoneNo", binding.phoneNumber.getText().toString());
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startActivity(intent);
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}
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});
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}
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}

‎app/src/main/java/com/projects/firebasephoneauth/OTPActivity.java

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package com.projects.firebasephoneauth;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.EditText;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AppCompatActivity;
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import com.google.android.gms.tasks.OnCompleteListener;
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import com.google.android.gms.tasks.Task;
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import com.google.firebase.FirebaseException;
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import com.google.firebase.auth.AuthResult;
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import com.google.firebase.auth.FirebaseAuth;
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import com.google.firebase.auth.PhoneAuthCredential;
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import com.google.firebase.auth.PhoneAuthOptions;
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import com.google.firebase.auth.PhoneAuthProvider;
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import com.projects.firebasephoneauth.databinding.ActivityMainBinding;
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import com.projects.firebasephoneauth.databinding.ActivityOtpBinding;
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import java.util.concurrent.TimeUnit;
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public class OTPActivity extends AppCompatActivity {
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FirebaseAuth auth;
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String codeByFirebase;
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ActivityOtpBinding binding;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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binding = ActivityOtpBinding.inflate(getLayoutInflater());
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setContentView(binding.getRoot());
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String phoneNo = getIntent().getStringExtra("phoneNo");
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auth = FirebaseAuth.getInstance();
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sendVerificationCodeToUser(phoneNo);
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binding.verifyOTP.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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String code = binding.otpCode.getText().toString();
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if (!code.isEmpty()) {
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verifyCode(code);
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}
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}
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});
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}
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private void sendVerificationCodeToUser(String phoneNo) {
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PhoneAuthOptions options =
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PhoneAuthOptions.newBuilder(auth)
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.setPhoneNumber(phoneNo) // Phone number to verify
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.setTimeout(60L, TimeUnit.SECONDS) // Timeout and unit
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.setActivity(this) // Activity (for callback binding)
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.setCallbacks(new PhoneAuthProvider.OnVerificationStateChangedCallbacks() {
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@Override
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public void onVerificationCompleted(PhoneAuthCredential credential) {
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// way 1
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/*String code = credential.getSmsCode();
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if (code != null) {
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binding.otpCode.setText(code);
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verifyCode(code);
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}*/
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// way 2
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/*signInWithPhoneAuthCredential(credential);*/
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// way 3
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Toast.makeText(OTPActivity.this, "Code has been sent...", Toast.LENGTH_SHORT).show();
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}
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@Override
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public void onVerificationFailed(@NonNull FirebaseException e) {
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Toast.makeText(OTPActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
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}
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@Override
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public void onCodeSent(@NonNull String verificationId, @NonNull PhoneAuthProvider.ForceResendingToken token) {
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super.onCodeSent(verificationId, token);
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codeByFirebase = verificationId;
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}
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})
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.build();
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PhoneAuthProvider.verifyPhoneNumber(options);
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}
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private void verifyCode(String code) {
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PhoneAuthCredential credential = PhoneAuthProvider.getCredential(codeByFirebase,code);
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signInWithPhoneAuthCredential(credential);
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}
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private void signInWithPhoneAuthCredential(PhoneAuthCredential credential) {
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auth.signInWithCredential(credential)
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.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
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@Override
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public void onComplete(@NonNull Task<AuthResult> task) {
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if (task.isSuccessful()) {
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Toast.makeText(OTPActivity.this, "Verification completed!", Toast.LENGTH_SHORT).show();
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} else {
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Toast.makeText(OTPActivity.this, "Verification not completed!",Toast.LENGTH_SHORT).show();
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}
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}
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});
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}
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}

‎app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:aapt="http://schemas.android.com/aapt"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
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<aapt:attr name="android:fillColor">
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<gradient
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android:endX="85.84757"
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android:endY="92.4963"
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android:startX="42.9492"
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android:startY="49.59793"
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android:type="linear">
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<item
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android:color="#44000000"
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android:offset="0.0" />
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<item
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android:color="#00000000"
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android:offset="1.0" />
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</gradient>
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</aapt:attr>
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</path>
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<path
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android:fillColor="#FFFFFF"
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android:fillType="nonZero"
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android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
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android:strokeWidth="1"
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android:strokeColor="#00000000" />
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</vector>

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