ndk.dir=D\:\\Android_Studio_2021\\Sdk\\ndk\\25.2.9519653

android{
	compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

repositories {
	maven { url 'https://jitpack.io' }
	google { url "https://maven.aliyun.com/repository/google" }
	mavenCentral { url "https://maven.aliyun.com/repository/public" }
}

./gradlew makeJar

\build\outputs\aar\

android{
	
	buildTypes {
        release {
            //开启混淆
            minifyEnabled true
            // 移除无用的resource文件，与 minifyEnabled 一起使用
            //shrinkResources true//Error:Resource shrinker cannot be used for libraries.
            //Zipalign优化，让安装包的资源按4字节对齐，减少应用在运行时的内存消耗
            zipAlignEnabled true
            
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

-keep class android.serialport.*{*;}

android{
	
	//Copy类型
    task makeJar(type: Copy) {
        //删除存在的
        delete 'build/libs/serialport.jar'
        //设置拷贝的文件
        //from('build/intermediates/bundles/release/')
        from('build/intermediates/aar_main_jar/release/')
        //打进jar包后的文件目录
        into('build/libs/')
        //将classes.jar放入build/libs/目录下
        //include ,exclude参数来设置过滤
        //（我们只关心classes.jar这个文件）
        include('classes.jar')
        //重命名
        rename ('classes.jar', 'serialport.jar')
    }
    makeJar.dependsOn(build)
	
	
    //在终端执行生成JAR包
    // ./gradlew makeJar
}