def keystorePropertiesFile = rootProject.file("local.properties")
def keystoreProperties = new Properties()
if (keystorePropertiesFile.exists()) {
    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
}

android {
    signingConfigs {
        release {
            storeFile file(keystoreProperties['RELEASE_STORE_FILE'])
            storePassword keystoreProperties['RELEASE_STORE_PASSWORD']
            keyAlias keystoreProperties['RELEASE_KEY_ALIAS']
            keyPassword keystoreProperties['RELEASE_KEY_PASSWORD']
        }
    }
    buildTypes {
        release {
            signingConfig signingConfigs.release
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}