build.gradle

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

buildscript {

    repositories {
    	google()
    	jcenter()
        maven { url 'https://maven.google.com' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.3'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
        classpath 'com.google.gms:google-services:4.3.3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.72"
    }
}

allprojects {
    repositories {
    	google()
        jcenter()
        maven { url 'https://maven.google.com' }
        maven { url "https://www.jitpack.io" }
    }
}

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

ext {
    // Sdk and tools
    minSdkVersion = 15
    targetSdkVersion = 28
    compileSdkVersion = 28
    buildToolsVersion = '26.0.2'
    kotlinVersion = "1.3.61"

    // App dependencies
    supportLibraryVersion = '28.0.0'
    daggerVersion = '2.11'
    retrofitVersion = '2.2.0'
    okHttp3Version = '3.6.0'
    butterKnifeVersion = '8.6.0'
    dbflowVersion = '3.1.1'
    espressoVersion = '2.2.2'
    rxandroidVersion = '1.1.0'
    rxjavaVersion = '1.1.4'
    junitVersion = '4.12'
}