设置属性

COMPILE_SDK_VERSION = 26BUILD_TOOLS_VERSION = 26.0.0MIN_SDK_VERSION = 19TARGET_SDK_VERSION = 26VERSION_CODE = 1VERSION_NAME = 1.0

build.gradle中使用

android {    compileSdkVersion COMPILE_SDK_VERSION as int    buildToolsVersion BUILD_TOOLS_VERSION    defaultConfig {        applicationId "com.xtao.simpledemo"        minSdkVersion MIN_SDK_VERSION as int        targetSdkVersion TARGET_SDK_VERSION as int        versionCode VERSION_CODE as int        versionName VERSION_NAME        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"    }    buildTypes {        release {            minifyEnabled false            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'            buildConfigField("int", "TARGET_SDK_VERSION", "${TARGET_SDK_VERSION}")        }        debug {            buildConfigField("int", "TARGET_SDK_VERSION", "${TARGET_SDK_VERSION}")            resValue("string", "VERSION_NAME", "${VERSION_NAME}")        }    }}

Java中调用

build.gradle中设置buildConfigField("int", "TARGET_SDK_VERSION", "${TARGET_SDK_VERSION}")

依次为：参数类型，参数名，参数值

int targetSDKVersion = BuildConfig.TARGET_SDK_VERSION;

用ResourceBundle获取

ResourceBundle bundle = ResourceBundle.getBundle("gradle");//gradle为properties的文件名String result = bundle.getString("test_key");//test_key是properties文件中的key值

用Properties 获取

Properties properties = new Properties();InputStream is = this.getClassLoader().getResourceAsStream("gradle.properties");//pathproperties.load(is);String result= properties.getProperty("test_key");//test_key是properties文件中的key值