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我正在尝试在我的项目中链接一个名为 librandomnumber.so 的预编译共享库文件。 CMakeLists.txt 的代码：

link_directories('lib/native_Library/librandomnumber.so')

add_library(native-lib librandomnumber.so)

target_link_libraries(native-lib librandomnumber.so)

加载库代码：

import 'dart:ffi';

import 'dart:io';



typedef fetch_number_func = Int32 Function();
typedef FetchNumber = int Function();



class FfiService {
  get updateLocationsCommand => null;
  Object fetchRandomNumber() {

      if (Platform.isAndroid){

        print("now going to load library");
        final DynamicLibrary nativeAddLib = Platform.isAndroid
            ? DynamicLibrary.open('native-lib.so')
            : DynamicLibrary.process();
        print("sdgahhgjhdgajh" + nativeAddLib.toString());
        final fetchNumberPointer =
        nativeAddLib.lookup<NativeFunction<fetch_number_func>>(
          'fetch_number',
        );
       
        return fetchNumberPointer;
      }
      else {
        (exc){
        DynamicLibrary.process();
        print('Something went wrong in fetchRandomNumber ${exc.toString()}');
      };
      }
      return 0;
  }


}

显示此错误

错误：无效参数：无法加载动态库“native-lib.so”：dlopen 失败：未找到库“native-lib.so”

你能给我解决方案吗？

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