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:1.2.3'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
    }
}

ext {
    compileSdkVersion = 22
    buildToolsVersion = "22.0.1"

    minSdkVersion = 18
    targetSdkVersion = 22

    wearMinSdkVersion = 20
    wearTargetSdkVersion = 22

    SUPPORT_LIBRARY_VERSION = "22.2.+"
    WEARABLE_SUPPORT_LIBRARY_VERSION = "1.2.+"
    GOOGLE_PLAY_SERVICES_VERSION = "7.3.+"

    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
        }
    }
}