build.gradle

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

buildscript {
    repositories {
        google()
        maven {url 'https://dl.google.com/dl/android/maven2/'}
        maven { url 'https://www.jitpack.io' }
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.2'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        maven {url 'https://dl.google.com/dl/android/maven2/'}
        maven { url 'https://www.jitpack.io' }
        jcenter()

    }
}

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