build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {

    ext.versions = [
            'compileSdk': 28,
            'minSdk'    : 16,
            'targetSdk' : 28,
    ]

    ext.deps = [
            appCompat             : 'androidx.appcompat:appcompat:1.0.0',
            recyclerView          : 'androidx.recyclerview:recyclerview:1.0.0',
            expandablerecyclerview: 'com.github.AliAsadi.expandable-recycler-view:expandablerecyclerview:1.8',
            gson                  : "com.google.code.gson:gson:2.8.5",
            junit                 : 'androidx.test.ext:junit:1.1.1',
            mockito               : 'org.mockito:mockito-core:2.23.0',
            runner                : 'androidx.test:runner:1.2.0'
    ]

    repositories {
        google()
        mavenCentral()
        maven { url 'https://jitpack.io' }
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:7.3.1'
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
        maven { url 'https://jitpack.io' }
    }
}

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