Android Cmake 创建 jni

官方文档镇楼

执行cmd， 检测 ndk 是否配置环境, 类似java_sdk 配置

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CmakeList.txt

编译出错：

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检测 c 文件路径是否正确

add_library( # Sets the name of the library.
             native-lib

             # Sets the library as a shared library.
             SHARED

             # Provides a relative path to your source file(s).
             src/main/cpp/native-lib.cpp )

找不到该 源函数

UnsatisfiedLinkError: No implementation found for int com.example.ht.cmakendk.MainActivity.getInt(int, int) (tried Java_com_example_ht_cmakendk_MainActivity_getInt and Java_com_example_ht_cmakendk_MainActivity_getInt__II)
                                                       at com.example.ht.cmakendk.MainActivity.getInt(Native Method)

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在该函数上方添加

extern "C"

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