[Flutter] FAILURE: Build failed with an exception (flutter firebase)

I was trying to integrate Firebase for my app but did not succeed in it. Every time I try to run it throws Gradle exception error.

This is my android/app/build.gradle file content:

plugins {
id "com.android.application"
id "kotlin-android"
// The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
id "dev.flutter.flutter-gradle-plugin"
id 'com.google.gms.google-services'
}

def localProperties = new Properties()
def localPropertiesFile = rootProject.file("local.properties")
if (localPropertiesFile.exists()) {
localPropertiesFile.withReader("UTF-8") { reader ->
localProperties.load(reader)
}
}

def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
if (flutterVersionCode == null) {
flutterVersionCode = "1"
}

def flutterVersionName = localProperties.getProperty("flutter.versionName")
if (flutterVersionName == null) {
flutterVersionName = "1.0"
}

android {
namespace "com.example.firebase_one"
compileSdkVersion flutter.compileSdkVersion
ndkVersion flutter.ndkVersion

compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
compileSdkVersion 34
}

kotlinOptions {
jvmTarget = '1.8'
}

sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}

defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId = "com.example.firebase_one"
// You can update the following values to match your application needs.
// For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
minSdk = flutter.minSdkVersion
targetSdk = flutter.targetSdkVersion
versionCode = flutterVersionCode.toInteger()
versionName = flutterVersionName
multidexEnabled = true
}

buildTypes {
release {
// TODO: Add your own signing config for the release build.
// Signing with the debug keys for now, so `flutter run --release` works.
signingConfig = signingConfigs.debug
}
}
}

flutter {
source = "../.."
}

dependencies {
implementation platform('com.google.firebase:firebase-bom:33.1.0')
}


And this is the content of android/build.gradle file:

buildscript {
ext.kotlin_version = '1.7.10'
repositories {
google()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:7.2.2'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
classpath 'com.google.gms.google-services:4.4.2'
}
}
allprojects {
repositories {
google()
mavenCentral()
}
}

rootProject.buildDir = "../build"
subprojects {
project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
project.evaluationDependsOn(":app")
}

tasks.register("clean", Delete) {
delete rootProject.buildDir
}


I tried adding these codes which is missing:

buildscript {
ext.kotlin_version = '1.7.10'
repositories {
google()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:7.2.2'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}


This is my main.dart code:

import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';

void main() async{
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(const MyApp());
}

class MyApp extends StatelessWidget {
const MyApp({super.key});

// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(

colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}

class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});

final String title;

@override
State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;

void _incrementCounter() {
setState(() {

_counter++;
});
}

@override
Widget build(BuildContext context) {

//

return Scaffold(
appBar: AppBar(

backgroundColor: Theme.of(context).colorScheme.inversePrimary,

title: Text(widget.title),
),
body: Center(

child: Column(

mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.headlineMedium,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}


What might be the solution?

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