一、编写HelloWorld按照国际惯例,第一个程序就是HelloWorld。1、在Windows下的VSCode中操作。在导入的源代码中,在applications\sample\wifiiot\app目录下新建myapp目录。2、myapp中新建系统代码helloworld.cincludeinclude"ohosinit.h"include"ohostypes.h"voidtest(void){printf("wtispig");}SYSRUN(test);3、myapp中新建编译脚本BUILD.gnstaticlibrary("myapp"){sources["helloworld.c"]includedirs["utilsnativeliteinclud...