修改CMakeLists.txt
#For more information about using CMake with Android Studio, read the
#documentation: https://d.android.com/studio/projects/add-native-code.html
#Sets the minimum version of CMake required to build the native library.
set(my_lib_path ${CMAKE_SOURCE_DIR}/libs)
cmake_minimum_required(VERSION 3.4.1)
add_library( # Sets the name of the library.
jsoncpp
#Sets the library as a shared library.
SHARED
#Provides a relative path to your source file(s).
src/main/cpp/libjson/json_writer.cpp
src/main/cpp/libjson/json_reader.cpp
src/main/cpp/libjson/json_value.cpp)
add_library(plthook-lib
SHARED
IMPORTED)
#Creates and names a library, sets it as either STATIC
#or SHARED, and provides the relative paths to its source code.
#You can define multiple libraries, and CMake builds them for you.
#Gradle automatically packages shared libraries with your APK.
add_library( # Sets the name of the library.
sandboxnativehook
# Sets the library as a shared library.
SHARED
# Provides a relative path to your source file(s).
src/main/cpp/native-lib.cpp
src/main/cpp/stringz.cpp
src/main/cpp/libjson/json_writer.cpp
src/main/cpp/libjson/json_reader.cpp
src/main/cpp/libjson/json_value.cpp
)
#Searches for a specified prebuilt library and stores the path as a
#variable. Because CMake includes system libraries in the search path by
#default, you only need to specify the name of the public NDK library
#you want to add. CMake verifies that the library exists before
#completing its build.
find_library( # Sets the name of the path variable.
log-lib
#Specifies the name of the NDK library that
#you want CMake to locate.
log )
set_target_properties(
plthook-lib
PROPERTIES IMPORTED_LOCATION
${CMAKE_SOURCE_DIR}/libs/${ANDROID_ABI}/libplthook-lib.so
)
#Specifies libraries CMake should link to your target library. You
#can link multiple libraries, such as libraries you define in this
#build script, prebuilt third-party libraries, or system libraries.
target_link_libraries( # Specifies the target library.
sandboxnativehook
plthook-lib
# Links the target library to the log library
# included in the NDK.
${log-lib} )