build.gradle

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

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:1.2.3'
    }
}

// To avoid manually setting the same values in all Android modules, set the value on the root
// project and then reference this from the modules
ext {
    compileSdkVersion = 22
    buildToolsVersion = "22.0.1"
}

allprojects {
    repositories {
        mavenCentral()
        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.4'
}