build.gradle

apply plugin: 'com.android.library'

android {
    compileSdkVersion 28



    defaultConfig {
        minSdkVersion 21
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

    def versionPropsFile = file('version.properties')
    Properties versionProps = new Properties()

    if (versionPropsFile.canRead()) {
        versionProps.load(new FileInputStream(versionPropsFile))
    }
    def code = versionProps['VERSION_CODE'].toInteger()
    def name = versionProps['VERSION_NAME']

    flavorDimensions "environment"
    productFlavors {
        production {
            versionCode code
            versionName name
        }
        staging {
            versionCode code
            versionName name
        }
    }

}

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

    implementation 'com.android.support:appcompat-v7:28.0.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}