NDK_PROJECT_PATH=null
检查一下是否路径过长了，或者路径中的特殊符号或者中文。
另外检查一下AndroidStudio项目里面对NDK路径的设置是否正确（注意/符号），全局搜索一下NDK
这个目前是怎么解决的哈 我这边貌似也遇到了
楼主有解决这个问题吗 我这边貌似也遇到了,准备换回2.1了
gradle的问题，请确认gradle用的是4.x的版本，无脑点击AS的"upgrade"的话，有些upgrade会改变你的proj.android-studio/build.gradle
Build command failed.
Error while executing process /Users/niklaus/Documents/tool/android-ndk-r18b/ndk-build with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/jni/Android.mk NDK_APPLICATION_MK=/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/jni/Application.mk APP_ABI=armeabi-v7a NDK_ALL_ABIS=armeabi-v7a NDK_DEBUG=1 APP_PLATFORM=android-16 NDK_OUT=/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/obj NDK_LIBS_OUT=/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/lib NDK_TOOLCHAIN_VERSION=clang NDK_MODULE_PATH=/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/cocos2d-x:/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/cocos2d-x/cocos:/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/cocos2d-x/external -j4 NDK_DEBUG=1 /Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/libcocos2djs.so}
[armeabi-v7a] Compile++ arm : cocos2dx_static <= jsb_video_auto.cpp
[armeabi-v7a] Compile++ arm : cocos2dx_static <= jsb_webview_auto.cpp
[armeabi-v7a] Compile++ arm : cocos2dx_static <= jsb_cocos2dx_audioengine_auto.cpp
[armeabi-v7a] Compile++ arm : cocos2dx_static <= SocketIO.cpp
make: *** [/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/cocos2dx_static/network/SocketIO.o] Killed: 9
make: *** Waiting for unfinished jobs…
make: *** [/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/cocos2dx_static/scripting/js-bindings/auto/jsb_webview_auto.o] Killed: 9
make: *** [/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/cocos2dx_static/scripting/js-bindings/auto/jsb_cocos2dx_audioengine_auto.o] Killed: 9
make: *** [/Users/niklaus/Documents/cocosCreator/NativeTest/build/jsb-default/frameworks/runtime-src/proj.android-studio/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/cocos2dx_static/scripting/js-bindings/auto/jsb_video_auto.o] Killed: 9
还是有这个问题 gradle版本已经是4.X
1赞
解决了吗？我也碰到了 能告诉原因吗？
用你的方式解决了。mark一下，方便后面的人
请问怎么解决的呀
请问怎么解决的呀
牛逼 
6B 啊~
完美666
膜拜！！感谢！！送出我注册账号后的首赞！！ 
收下我的膝盖
真是666
能编译过去了，但是好像少了很多的库文件，运行就崩溃
最后你有解决吗