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.fabric.io/public' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
        classpath 'io.fabric.tools:gradle:1.+'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

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

ext {
    compileSdkVersion = 27
    buildToolsVersion = '26.0.2'
    targetSdkVersion = compileSdkVersion
    minSdkVersion = 17
    jodaTimeVersion = '2.9.9'
    gsonVersion = '2.7'

    supportLibVersion = '27.1.0'
    archVersion = '1.1.0'
}

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