引入OpenCv demo 报错../../sdk/native/jni/OpenCV.mk: No such file or directory

Build command failed.
Error while executing process D:\AS_SDK\android-ndk-r15c\ndk-build.cmd with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=E:\AS_workspase\OpenCvDemo\app\src\main\jni\Android.mk NDK_APPLICATION_MK=E:\AS_workspase\OpenCvDemo\app\src\main\jni\Application.mk APP_ABI=armeabi NDK_ALL_ABIS=armeabi NDK_DEBUG=1 APP_PLATFORM=android-16 NDK_OUT=E:/AS_workspase/OpenCvDemo/app/build/intermediates/ndkBuild/debug/obj NDK_LIBS_OUT=E:\AS_workspase\OpenCvDemo\app\build\intermediates\ndkBuild\debug\lib APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -n}

process_begin: CreateProcess(NULL, "", ...) failed.
E:\AS_workspase\OpenCvDemo\app\src\main\jni\Android.mk:14: ../../sdk/native/jni/OpenCV.mk: No such file or directory
make: *** No rule to make target `../../sdk/native/jni/OpenCV.mk'.  Stop.

这点是因为这个路径没写对,编译不通过,需要换成绝对路径。

然后 reBuild 就可以了。

参考：https://blog.51cto.com/yangzheng0809/2173165?source=dra 这篇文章  到这个绝对路径这卡了一下