Gradle Example

build.gradle

apply plugin: 'android-sdk-manager'
apply plugin: 'com.android.application'
apply plugin: 'hugo'
apply plugin: 'crashlytics'

def versionMajor = 1
def versionMinor = 7
def versionPatch = 0
def versionBuild = 0 // bump for dogfood builds, public betas, etc.

android {
    compileSdkVersion 20
    buildToolsVersion '20'


    signingConfigs {
        releaseConfig {
            storeFile file(STORE_FILE)
            storePassword STORE_PASSWORD
            keyAlias KEY_ALIAS
            keyPassword KEY_PASSWORD
        }

        staging {
            storeFile file(STORE_FILE)
            storePassword STORE_PASSWORD
            keyAlias KEY_ALIAS
            keyPassword KEY_PASSWORD
        }
    }

    defaultConfig {
        applicationId "com.aracem.mainapp"
        minSdkVersion 15
        targetSdkVersion 20
        versionCode versionMajor * 1000 + versionMinor * 100 + versionPatch * 10 + versionBuild
        versionName "${versionMajor}.${versionMinor}.${versionPatch}"
        buildConfigField "String", "FLURRY_KEY", "\"VJR4Z7TWX4CHM7DWKTK4\""
    }

    buildTypes {
        def STRING = "String"
        def BOOL = "boolean"
        def API_ENDPOINT = "API_BASE_ENDPOINT"
        def API_VERSION = "API_VERSION"
        def TWITTER_KEY = "TWITTER_CONSUMER_KEY"
        def TWITTER_SECRET = "TWITTER_CONSUMER_SECRET"
        def OPENTOK_KEY = "OPENTOK_APIKEY"
        def PUSHER_KEY = "PUSHER_APIKEY"
        def PUSHER_SECRET = "PUSHER_SECRET"
        def PUSHER_APPID = "PUSHER_APPID"
        def ENABLE_FLURRY = "IS_ENABLED_FLURRY"
        def ENABLE_GA = "IS_ENABLED_GA"



        debug {
            buildConfigField STRING, API_ENDPOINT, "\"http://debug.aracem.com\""
            buildConfigField STRING, TWITTER_KEY, "\"stuff\""
            buildConfigField STRING, TWITTER_SECRET, "\"cosas_bonitas\""
            buildConfigField STRING, OPENTOK_KEY, "\"123456\""
            buildConfigField STRING, PUSHER_KEY, "\"1234567890\""
            buildConfigField STRING, PUSHER_SECRET, "\"123454566772234\""
            buildConfigField STRING, PUSHER_APPID, "\"123456789456798\""
            buildConfigField BOOL, ENABLE_FLURRY, "true"
            buildConfigField BOOL, ENABLE_GA, "false"

            applicationIdSuffix '.dev'
            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            debuggable true

            applicationVariants.all { variant ->
                def file = variant.outputFile

                String parent = file.parent
                if (project.hasProperty('OUTPUT_DIR_DEBUG') &&
                        new File((String) OUTPUT_DIR_DEBUG).exists() &&
                        file.name.contains("-debug")) {
                    parent = OUTPUT_DIR_DEBUG
                }

                variant.outputFile = new File(
                        parent,
                        (String) file.name.replace(
                                "-debug", " v" + defaultConfig.versionName +
                                "-build" + defaultConfig.versionCode
                        )
                )
            }
        }

        staging {
            buildConfigField STRING, API_ENDPOINT, "\"http://staging.aracem.com\""
            buildConfigField STRING, TWITTER_KEY, "\"key\""
            buildConfigField STRING, TWITTER_SECRET, "\"asdf\""
            buildConfigField STRING, OPENTOK_KEY, "\"123456\""
            buildConfigField STRING, PUSHER_KEY, "\"1234567890\""
            buildConfigField STRING, PUSHER_SECRET, "\"123454566772234\""
            buildConfigField STRING, PUSHER_APPID, "\"123456789456798\""


            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            debuggable true

            //Generate APK
            signingConfig signingConfigs.staging
            applicationVariants.all { variant ->
                def file = variant.outputFile

                String parent = file.parent
                if (project.hasProperty('OUTPUT_DIR_STAGING') &&
                        new File((String) OUTPUT_DIR_STAGING).exists() &&
                        file.name.contains("-staging")) {
                    parent = OUTPUT_DIR_STAGING
                }

                def filename = file.name.replace(
                        "-staging", "-staging v" + defaultConfig.versionName +
                        "-build" + defaultConfig.versionCode
                )
                variant.outputFile = new File(parent, filename)
            }
        }

        release {
            buildConfigField STRING, API_ENDPOINT, "\"http://aracem.com\""
            buildConfigField STRING, TWITTER_KEY, "\"stuff\""
            buildConfigField STRING, TWITTER_SECRET, "\"cosas_bonitas\""
            buildConfigField STRING, OPENTOK_KEY, "\"123456\""
            buildConfigField STRING, PUSHER_KEY, "\"1234567890\""
            buildConfigField STRING, PUSHER_SECRET, "\"123454566772234\""
            buildConfigField STRING, PUSHER_APPID, "\"123456789456798\""

            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

            //Generate APK
            signingConfig signingConfigs.releaseConfig
            applicationVariants.all { variant ->
                def file = variant.outputFile

                String parent = file.parent
                if (project.hasProperty('OUTPUT_DIR_PROD') &&
                        new File((String) OUTPUT_DIR_PROD).exists() &&
                        file.name.contains("-release.")) {
                    parent = OUTPUT_DIR_PROD
                }

                def filename = file.name.replace("-release.", " v" + defaultConfig.versionName +
                        "-build" + defaultConfig.versionCode + ".")
                filename = filename.replace("aether", "Rushmore.fm")
                variant.outputFile = new File(parent, filename)
            }
        }
    }

    lintOptions {
        checkReleaseBuilds true
        abortOnError true
    }
}

repositories {
    flatDir {
        dirs 'libs'
    }
    maven { url 'http://download.crashlytics.com/maven' }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])

    //Social Networks
    compile('com.github.androidsocialnetworks:library:0.3.7@aar') {
        transitive = true
    }


    compile 'com.squareup:otto:1.3.5'
    compile 'com.android.support:support-v4:20.0.0'
    compile 'com.jakewharton.timber:timber:2.4.1'
    compile 'com.google.android.gms:play-services:6.1.11'
    compile 'com.android.support:support-annotations:20.0.0'
    compile 'com.jakewharton:butterknife:5.1.2'
    compile 'com.squareup.picasso:picasso:2.3.4'
    compile 'com.squareup.retrofit:retrofit:1.6.1'
    compile 'com.intellij:annotations:+@jar'
    compile 'com.pusher:pusher-java-client:0.3.1'
    compile 'com.crashlytics.android:crashlytics:1.1.11'
    compile 'com.path:android-priority-jobqueue:1.1.2'
    compile 'com.squareup.dagger:dagger:1.2.2'

    //Notificare
    compile 're.notifica:notificare-push-lib-android:1.1.0'


    //Calligraphy https://github.com/chrisjenx/Calligraphy
    compile 'uk.co.chrisjenx:calligraphy:1.1.+'
}

//
// Remove useless packages from Google Play Services library
//

def toCamelCase(String string) {
    String result = ""
    string.findAll("[^\\W]+") { String word ->
        result += word.capitalize()
    }
    return result
}

afterEvaluate { project ->
    Configuration runtimeConfiguration = project.configurations.getByName('compile')
    ResolutionResult resolution = runtimeConfiguration.incoming.resolutionResult
    // Forces resolve of configuration
    ModuleVersionIdentifier module = resolution.getAllComponents().find { it.moduleVersion.name.equals("play-services") }.moduleVersion

    String prepareTaskName = "prepare${toCamelCase("${module.group} ${module.name} ${module.version}")}Library"
    File playServiceRootFolder = project.tasks.find { it.name.equals(prepareTaskName) }.explodedDir

    Task stripPlayServices = project.tasks.create(name: 'stripPlayServices', group: "Strip") {
        inputs.files new File(playServiceRootFolder, "classes.jar")
        outputs.dir playServiceRootFolder
        description 'Strip useless packages from Google Play Services library to avoid reaching dex limit'

        doLast {
            copy {
                from(file(new File(playServiceRootFolder, "classes.jar")))
                into(file(playServiceRootFolder))
                rename { fileName ->
                    fileName = "classes_orig.jar"
                }
            }
            tasks.create(name: "stripPlayServices" + module.version, type: Jar) {
                destinationDir = playServiceRootFolder
                archiveName = "classes.jar"
                from(zipTree(new File(playServiceRootFolder, "classes_orig.jar"))) {
                    exclude "com/google/ads/**"
                    exclude "com/google/android/gms/drive/**"
                    exclude "com/google/android/gms//**"
                    exclude "com/google/android/gms/games/**"
                    exclude "com/google/android/gms/drive/**"
                    exclude "com/google/android/gms/ads/**"
                    exclude "com/google/android/gms/wearable/**"
                    exclude "com/google/android/gms/wallet/**"
                    exclude "com/google/android/gms/panorama/**"

                    //google the play services packages and remove your useless
                }
            }.execute()
            delete {
                delete (file(new File(playServiceRootFolder, "classes_orig.jar")))
            }
        }
    }

    project.tasks.findAll { it.name.startsWith('prepare') && it.name.endsWith('Dependencies') }.each { Task task ->
        task.dependsOn stripPlayServices
    }
}

gradle.properties

# Project-wide Gradle settings.

# IDE (e.g. Android Studio) users:
# Settings specified in this file will override any Gradle settings
# configured through the IDE.

# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html

# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
# Default value: -Xmx10248m -XX:MaxPermSize=256m
# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8

# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true

STORE_FILE=/home/aracem/your/project/path/app/aracem.keystore.jks
STORE_PASSWORD=XXX
KEY_ALIAS=Aracem
KEY_PASSWORD=XXX
OUTPUT_DIR_PROD=/home/aracem/appName/apk/
OUTPUT_DIR_DEBUG=/home/aracem/appName/apk/debug
OUTPUT_DIR_STAGING=/home/aracem/appName/apk/staging