build.gradle

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

buildscript {
    repositories {
        mavenCentral()
        maven{
            url 'http://repo1.maven.org/maven2'
        }
        jcenter {
            url "http://jcenter.bintray.com"
        }

        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.0'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
        classpath 'com.google.gms:google-services:3.2.0'
    }
    
}

allprojects {
    repositories {
        mavenCentral()
        maven{
            url 'http://repo1.maven.org/maven2'
        }
        jcenter {
            url "http://jcenter.bintray.com"
        }
        maven{

            url "https://jitpack.io"
        }

        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
    }

}

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