https://blog.csdn.net/Skies_/article/details/109350500

1. ncnn編譯

按官網提示，ncnn代碼下有build.sh

2. android-studio，native code使用ncnn配置

a. 拷貝ncnn庫

在${PROJECT_DIR}/app/src/main/cpp/下新建third_party/ncnn-lib文件夾，把編譯、install出來的安卓庫文件拷貝進去。目錄結構：

b. CMakeLists.txt配置：

 1 set(ncnn_DIR ${PROJECT_DIR}/app/src/main/cpp/third_party/ncnn-lib/${CMAKE_ANDROID_ARCH_ABI}/lib/cmake/ncnn)
 2 find_package(ncnn REQUIRED)
 3 message( STATUS "ncnn library status:" )
 4 message( STATUS "    found: ${ncnn_FOUND}" )
 5 message( STATUS "    version: ${NCNN_VERSION}" )
 6 message( STATUS "    libraries: ${NCNN_LIBS}" )
 7 message( STATUS "    include path: ${ncnn_INCLUDE_DIRS}" )
 8 include_directories("${PROJECT_DIR}/app/src/main/cpp/third_party/ncnn-lib/${CMAKE_ANDROID_ARCH_ABI}/include")
 9 file(GLOB NCNN_LIBS ${PROJECT_DIR}/app/src/main/cpp/third_party/ncnn-lib/${CMAKE_ANDROID_ARCH_ABI}/lib/*.a)
10 set(DEPENDENCIES ${DEPENDENCIES} ${NCNN_LIBS})

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