build.gradle

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

buildscript {
    ext.kotlin_version = '1.3.21'
    ext.kotlin_coroutines_version = '1.1.1'
    ext.okhttp_version = '3.12.1' // Above 3.12.1 require to support API<21. Bump carefully

    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.2'
        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
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

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

ext {
    appVersionCode = 1_00_04
    appVersionName = "1.00.04"

    compileSdkVersion = 28
    buildToolsVersion = "28.0.3"
    targetSdkVersion = 28
    minSdkVersion = 21
}