Gradle

build.gradle

android {
 
    compileSdkVersion rootProject.ext.compileSdkVersion
    buildToolsVersion rootProject.ext.buildToolsVersion
 
    defaultConfig {
        minSdkVersion 14
        targetSdkVersion 19
    }
 
    lintOptions {
        abortOnError false
    }
 
    signingConfigs {
        debug {
            storeFile file("../debug.keystore")
            storePassword "android"
            keyAlias "androiddebugkey"
            keyPassword "android"           
        }
        release {
            storeFile file("../xxx.keystore")
            storePassword "xxxx"
            keyAlias "xxxx"
            keyPassword "xxxx"
        }
    }
 
    productFlavors {
        dev {
            applicationId 'com.miiitv.app'
            buildConfigField "String", "ENVIRONMENT", "\"dev\""
        }
        beta {
            applicationId 'xxxx'
            buildConfigField "String", "ENVIRONMENT", "\"beta\""
        }
        demo {
            applicationId 'xxxx'
            buildConfigField "String", "ENVIRONMENT", "\"demo\""
        }
        production {
            applicationId 'xxxx'
            buildConfigField "String", "ENVIRONMENT", "\"production\""
        }
    }
 
    buildTypes {
        debug {
            signingConfig signingConfigs.debug
            runProguard false
        }
 
        release {
            signingConfig signingConfigs.release
            runProguard true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-project.txt'
        }
    }
}
 
android.applicationVariants.all { variant ->
    appendVersionNameVersionCode(variant);
}
 
def appendVersionNameVersionCode(variant) {
    if (variant.zipAlign) {
        def file = variant.outputFile
        def fileName = file.name.replace(".apk", "-" + variant.processManifest.versionCode + ".apk")
        variant.outputFile = new File(file.parent, fileName)
    }
 
    def file = variant.packageApplication.outputFile
    def fileName = file.name.replace(".apk",  "-" + variant.processManifest.versionCode + ".apk")
    variant.packageApplication.outputFile = new File(file.parent, fileName)
}