buildscript { repositories { jcenter() } dependencies { classpath 'com.android.tools.build:gradle:2.3.0' } } project.ext { testCoverage = project.hasProperty('testCoverage') optimizeForDevelopment = project.hasProperty('optimizeForDevelopment') && optimizeForDevelopment == 'true' } subprojects { project.plugins.whenPluginAdded { plugin -> if ("com.android.build.gradle.AppPlugin".equals(plugin.class.name) || "com.android.build.gradle.LibraryPlugin".equals(plugin.class.name)) { project.android.dexOptions.preDexLibraries = !rootProject.hasProperty('disablePreDex') } } }