build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.2.2'
        classpath 'me.tatarka:gradle-retrolambda:3.2.5'
    }
}

allprojects {
    repositories {
        jcenter()
        // For fugue
        maven {
            url 'https://maven.atlassian.com/content/repositories/atlassian-public'
        }
    }
}

project.ext.preDexLibs = !project.hasProperty('disablePreDex')

subprojects {
    project.plugins.whenPluginAdded { plugin ->
        if ("com.android.build.gradle.AppPlugin".equals(plugin.class.name)) {
            project.android.dexOptions.preDexLibraries = rootProject.ext.preDexLibs
        } else if ("com.android.build.gradle.LibraryPlugin".equals(plugin.class.name)) {
            project.android.dexOptions.preDexLibraries = rootProject.ext.preDexLibs
        }
    }
}