cmake_minimum_required(VERSION 3.4.1)

 add_library(next_user_lib SHARED
             next_user_lib.c)

add_library(next_user_lib_jni SHARED
            next_user_lib_jni.c)

target_link_libraries(next_user_lib_jni next_user_lib
                      android
                      log)
include_directories(src/main/cpp/include)

next_user_lib.c , next_user_lib_jni.c

next_user_lib.h , spi_next_sensor.h

static {
    System.loadLibrary("next_user_lib");
    System.loadLibrary("next_user_lib_jni");
}