BobStore/build.gradle

buildscript {
    repositories {
        maven {
            url "https://repo1.maven.org/maven2"
            jcenter()
        }
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.1'
    }
}
allprojects {
    repositories {
        jcenter()
        maven { url 'https://maven.google.com' }
    }
}