build.gradle

buildscript { 

    ext.kotlin_version = '1.9.21'
    repositories {
        google()
        mavenCentral()
    }
    dependencies {

        // in below line we are adding configurations to our project.
        configurations.all {
            // in below line we are adding strategy for each dependency and requesting the details
            resolutionStrategy.eachDependency {details ->
                // on below line we are getting to see the details using requested.
                def requested = details.requested
                // in below line we are requesting a group.
                if (requested.group == 'com.android.support'){
                    // on below line we are checking if the request is a group and checking if it starts with com.android.support.
                    if(!requested.name.startsWith("multidex")){
                        // if the requested name starts with multi dex then we are displaying the use version which is given below.
                        details.useVersion '25.3.0'
                    }
                }
            }
        }

        classpath 'com.android.tools.build:gradle:8.2.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
        classpath 'com.google.gms:google-services:4.4.2'

        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.9'

    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}