build.gradle

import java.util.regex.Matcher
import java.util.regex.Pattern

apply plugin: 'com.google.gms.google-services'
apply plugin: 'com.android.application'
apply plugin: 'io.fabric'

buildscript {
    repositories {
        maven { url 'https://maven.fabric.io/public' }
        jcenter()
    }

    dependencies {
        classpath 'io.fabric.tools:gradle:1.25.3'
    }
}

repositories {
    jcenter()
    mavenCentral()
    google()
    maven { url 'https://maven.fabric.io/public' }
    maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
    maven { url "https://maven.google.com" }
}


android {
    compileSdkVersion 26
    buildToolsVersion "27.0.3"

    defaultConfig {
        minSdkVersion 15
        targetSdkVersion 25
        multiDexEnabled true
        resConfigs "en", "ru"
    }

    dexOptions {
        javaMaxHeapSize "4g"
        preDexLibraries = false
    }

    def manifestProductionPath = 'src/prodServer/AndroidManifest.xml'
    def manifestStagingPath = 'src/devServer/AndroidManifest.xml'
    def manifestCommonPath = 'src/common/AndroidManifest.xml'
    def jniLibsPath = 'src/common/libs'

    sourceSets {
        main {
            java.srcDirs = ['src/common/java']
            res.srcDirs = ['src/common/res']
            assets.srcDirs = ['src/common/assets']
            manifest.srcFile manifestCommonPath
        }

        devServer {
            java.srcDirs = ['src/devServer/java']
            res.srcDirs = ['src/devServer/res']
            manifest.srcFile manifestStagingPath
            jniLibs.srcDir jniLibsPath
        }

        prodServer {
            java.srcDirs = ['src/prodServer/java']
            res.srcDirs = ['src/prodServer/res']
            manifest.srcFile manifestProductionPath
            jniLibs.srcDir jniLibsPath
        }
    }

    flavorDimensions "environment"

    productFlavors {
        devServer {
            applicationId 'com.example'
            versionCode Integer.valueOf(StagingVersionCode)
            versionName StagingVersionName
            dimension 'environment'
        }

        prodServer {
            applicationId 'com.example'
            versionCode Integer.valueOf(ProductionVersionCode)
            versionName ProductionVersionName
            dimension 'environment'
        }
    }

    signingConfigs {
        StagingSigning {
            storeFile file("keystore.jks")
            storePassword "***some_password*****"
            keyAlias "someapp"
            keyPassword "***some_password_2*****"
        }

        ProductionSigning {
            storeFile file("keystore.jks")
            storePassword "***some_password*****"
            keyAlias "someapp"
            keyPassword "***some_password_2*****"
        }
    }


    // detect product and set configurations
    def defSigningConfig = signingConfigs.StagingSigning
    def defProguardFiles = 'proguard-rules.pro'
    def defEnvironment = getCurrentFlavor()

    if (StagingEnvironment.toLowerCase() == defEnvironment) {
        println "===================STAGING ENVIRONMENT==========================="
        defSigningConfig = signingConfigs.StagingSigning
        defaultConfig {
            versionCode Integer.valueOf(StagingVersionCode)
            versionName StagingVersionName
        }
    } else if (ProductionEnvironment.toLowerCase() == defEnvironment) {
        println "===================PRODUCTION ENVIRONMENT==========================="
        defSigningConfig = signingConfigs.ProductionSigning
        defaultConfig {
            versionCode Integer.valueOf(ProductionVersionCode)
            versionName ProductionVersionName
        }
    } else {
        println "===================NO ENVIRONMENT==========================="
        defSigningConfig = signingConfigs.StagingSigning
        defaultConfig {
            versionCode Integer.valueOf(StagingVersionCode)
            versionName StagingVersionName
        }
    }

    buildTypes {
        debug {
            signingConfig defSigningConfig
            buildConfigField "boolean", "LOG", "true"

            dependencies {
                implementation "com.facebook.android:facebook-android-sdk:4.6.0"
            }

            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), defProguardFiles
        }

        release {
            signingConfig defSigningConfig
            buildConfigField "boolean", "LOG", "false"

            dependencies {
                implementation "com.facebook.android:facebook-android-sdk:4.20.0"
            }

            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), defProguardFiles
        }
    }

    android.applicationVariants.all { variant ->
        variant.outputs.all {
            def version = variant.versionName
            def versionCode = variant.versionCode
            outputFileName ="${variant.name}-${version}(${versionCode}).apk"
        }
    }

    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/notice.txt'
        exclude 'META-INF/ASL2.0'
    }

    compileOptions {
        targetCompatibility 1.8
        sourceCompatibility 1.8
    }
}

ext {
    supportLibraryVersion = '26.1.0'
    playServicesVersion = '15.0.0'
    retrofit2Version = '2.1.0'
    okhttp3Version = '3.6.0'
    rx = '1.2.1'
}

configurations {
    all*.exclude module: 'commons-io'
}

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

    implementation "com.android.support:appcompat-v7:$supportLibraryVersion"
    implementation "com.android.support:design:$supportLibraryVersion"
    implementation "com.android.support:recyclerview-v7:$supportLibraryVersion"
    implementation "com.android.support:support-v4:$supportLibraryVersion"
    implementation "com.android.support:customtabs:$supportLibraryVersion"
    implementation "com.android.support:animated-vector-drawable:$supportLibraryVersion"
    implementation "com.android.support:cardview-v7:$supportLibraryVersion"

    implementation "com.squareup.retrofit2:retrofit:$retrofit2Version"
    implementation "com.squareup.retrofit2:converter-gson:$retrofit2Version"
    implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit2Version"

    implementation "com.squareup.okhttp3:logging-interceptor:$okhttp3Version"
    implementation "com.squareup.okhttp3:okhttp:$okhttp3Version"

    implementation "com.google.android.gms:play-services-gcm:$playServicesVersion"
    implementation "com.google.android.gms:play-services-auth:$playServicesVersion"
    implementation "com.google.android.gms:play-services-location:$playServicesVersion"

    implementation "io.reactivex:rxjava:$rx"
    implementation "io.reactivex:rxandroid:$rx"

    //alone entities
    implementation('com.crashlytics.sdk.android:crashlytics:2.9.2@aar') {
        transitive = true
    }
    implementation('io.fabric.sdk.android:fabric:1.3.10@aar') {
        transitive = true
    }

}

def getCurrentFlavor() {
    Gradle gradle = getGradle()
    String  tskReqStr = gradle.getStartParameter().getTaskRequests().toString()

    Pattern pattern;

    if( tskReqStr.contains( "assemble" ) )
        pattern = Pattern.compile("assemble(\\w+)(Release|Debug)")
    else
        pattern = Pattern.compile("generate(\\w+)(Release|Debug)")

    Matcher matcher = pattern.matcher( tskReqStr )

    if( matcher.find() )
        return matcher.group(1).toLowerCase()
    else
    {
        println "NO MATCH FOUND"
        return ""
    }
}

gradle.properties

# Project-wide Gradle settings.

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

# 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=2048m -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

StagingEnvironment = devServer
ProductionEnvironment = prodServer

StagingVersionName = 1.0.7_staging
StagingVersionCode = 14

ProductionVersionName = 1.0.7
ProductionVersionCode = 14