native link

imitate/src/main/java/com/engineer/imitate/util/PatchPlayground.kt

@@ -22,7 +22,7 @@ private const val PATCH = "patch"
 class PatchViewModel(val app: Application) : AndroidViewModel(app) {
 
     fun copyFile() {
-        val exceptionHandler = CoroutineExceptionHandler { coroutineContext, throwable ->
+        val exceptionHandler = CoroutineExceptionHandler { _, throwable ->
             Log.e(TAG, "exceptionHandler: " + throwable.stackTraceToString())
         }
         viewModelScope.launch(exceptionHandler) {

subs/cpp_native/src/main/cpp/CMakeLists.txt

@@ -12,9 +12,10 @@ project("cpp_native")
 
 #定义一个全局变量包含了所有要编译的C文件
 file(GLOB BZIP bzip/*.c)
-message("11111")
+message("----------start------")
 message("${BZIP}")
-message("22222")
+message("${CMAKE_CURRENT_SOURCE_DIR}")
+message("----------end------")
 #导入头文件
 include_directories(bzip)
 include_directories(logcat)
@@ -30,10 +31,16 @@ add_library( # Sets the name of the library.
         SHARED
         #将bzip下的.c文件添加到library
 #        ${BZIP}
-        bspatch.c
+#        bspatch.c
         # Provides a relative path to your source file(s).
         cpp_native.cpp)
 
+# 将 bspatch 的源码编译为共享库
+add_library(
+        bspatch_tool
+        SHARED
+        bspatch.c)
+
 # 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
@@ -47,13 +54,20 @@ find_library( # Sets the name of the path variable.
         # you want CMake to locate.
         log)
 
+## 定义 distributionDir 变量,声明所依赖的 so 库存放的位置，这个不是必须的，只是为了灵活方便
+set(distributionDir ${CMAKE_CURRENT_SOURCE_DIR}/third-lib)
+## 所依赖的三方库定义名称，STATIC IMPORTED 表示是导入的
+add_library(lib_bspatch STATIC IMPORTED)
+## 定义导入的 so 库的路径
+set_target_properties(lib_bspatch PROPERTIES IMPORTED_LOCATION ${distributionDir}/${ANDROID_ABI}/libbspatch_tool.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.
         cpp_native
-
+        lib_bspatch
         # Links the target library to the log library
         # included in the NDK.
         ${log-lib})