1、配置已安装的ndk版本到 Android NDK Location 路径:/Users/miao/Library/Android/sdk/ndk/21.0.6113669 (File -> Project Structure -> SDK Location -> Android NDK Location)
2、在app module下的 src/main 目录新建 jni 目录
3、在 MiaoApplication 中添加 native 方法声明:public static native String getCPUInfo(int pid);
4、在 src/main 目录下执行命令:javah xx.xxx.MiaoApplication,生成头文件 xx_xxx_MiaoApplication.h
5、将 xx_xxx_MiaoApplication.h 剪切到 src/main/jni 目录下