android从native启动java程序

从native启动/data/local/tmp/myapp.apk文件中com.myapp类的Main方法,
Main声明为public static void Main(String[] args)
启动参数为”a”,”b”

char arg1[]="a";
char arg2[]="b";
setenv("CLASSPATH", "/data/local/tmp/myapp.apk", 1);
execlp("app_process", "app_process", "/system/bin","com.myapp.Main",arg1,arg2,(char *) 0);