def keystoreProperFile = rootProject.file('keystore.properties')def keystoreProperties = new Properties()keystoreProperties.load(new FileInputStream(keystoreProperFile))    signingConfigs {        release {            keyAlias keystoreProperties['KEY_ALIAS']            keyPassword keystoreProperties['KEY_PASSWORD']            storeFile file(keystoreProperties['STORE_FILE'])            storePassword keystoreProperties['STORE_PASSWORD']        }    }           debug {            signingConfig signingConfigs.release        }