android studio编译c代码

build.gradle里面:

defaultConfig {
minSdkVersion 23
targetSdkVersion 28
versionCode 1
versionName "1.0"
   ndk { 
    abiFilters"armeabi-v7a","arm64-v8a"
   }
 }

增加task对编译完成的库进行copy


// task部分在右边的gradle窗口手动执行
task buildJar(type: Jar, dependsOn: ['build']) {
    delete 'output'

    //导出的jar文件名称
    archiveName = 'encoder.jar'

    //从哪个目录打包jar
    from('build/intermediates/classes/debug')
    exclude('**/R.class')
    exclude('**/BuildConfig.class')

    //需要打包的类
    include('com/abc/video/encoder/*.class')

    //导出的jar文件的存放目录(未指定则默认存放在build/libs下)
    //destinationDir = file('output')

    copy {
        from 'build/libs/encoder.jar'
        into 'output'
    }

    //copy so库
    copy {
        from 'build/intermediates/intermediate-jars/debug/jni'
        into 'output/jni'
    }
}

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