build.gradle

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

Properties properties = new Properties()
properties.load(project.rootProject.file('local.properties').newDataInputStream())

buildscript {
    repositories {
        jcenter()
        google()
        maven {
            url 'https://plugins.gradle.org/m2/'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.0-alpha05'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.2'
        classpath 'gradle.plugin.de.fuerstenau:BuildConfigPlugin:1.1.8'
    }
}

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