Failed to load dynamic library 'libopencv_dart.so': dlopen failed: library "libopencv_dart.so" not found.

[fangjunai]

Error:
ArgumentError (Invalid argument(s): Failed to load dynamic library 'libopencv_dart.so': dlopen failed: library "libopencv_dart.so" not found)

Win10 x64, Android7(qemu),

Flutter 3.19.0 • channel stable • https://github.com/flutter/flutter.git
Framework • revision bae5e49bc2 (9 weeks ago) • 2024-02-13 17:46:18 -0800
Engine • revision 04817c99c9
Tools • Dart 3.3.0 • DevTools 2.31.1

Where is libopencv_dart.so stored in?

[rainyl]

Read README carefully.
https://github.com/rainyl/opencv_dart?tab=readme-ov-file#important

[VishGoria]

@rainyl the readme is ambiguous. kindly clarify the most required steps to run the sample app as I'm also getting the same error while I've already tried to run the following commands:

dart run opencv_dart:setup android --arch armeabi-v7a
dart run opencv_dart:setup android --arch arm64-v8a

[rainyl]

@VishGoria Allright, I have added more detailes in README and example

Releated issues:

• Exception has occurred.ArgumentError (Invalid argument(s): Failed to lookup symbol 'Image_IMRead': dlsym(RTLD_DEFAULT, Image_IMRead): symbol not found) #24
• libopencv_dart.so not found #23
• Failed to load dynamic library #12

[VishGoria]

@rainyl The commands are only creating empty folders inside the opencv_dart\android\src\main\jniLibs
although the libraries are added in the opencv_dart.caches folder and I've also tried to manually copy the .tar.gz from .caches to the corresponding arch folder in android/jniLibs but still getting the same error. Urgent help required
thanks in advance

[rainyl]

@VishGoria paste your command output please, you can also manually extract .tar.gz and copy libopencv_dart.so to corresponding directory

[rainyl]

@rainyl The commands are only creating empty folders inside the opencv_dart\android\src\main\jniLibs although the libraries are added in the opencv_dart.caches folder and I've also tried to manually copy the .tar.gz from .caches to the corresponding arch folder in android/jniLibs but still getting the same error. Urgent help required thanks in advance

Apologize for my mistake, It is a bug, will be fixed quickly.

[gustavovisentini]

Launching lib/main.dart on iPhone 15 Pro in debug mode...
Running Xcode build...
└─Compiling, linking and signing... 994ms
Xcode build done. 3,7s
Failed to build iOS app
Error (Xcode): Framework 'opencv_dart' not found

Error (Xcode): Linker command failed with exit code 1 (use -v to see invocation)

Could not build the application for the simulator.
Error launching application on iPhone 15 Pro.

I am follow the instructions README, but not works,
Macbook air M1

[rainyl]

I have no mac M1 so can't test, I suggest you to add -v option to see the logs or setup it manually with -f option and try again.

This package supports universal framewrok but only tested on x86_64 simulators by myself, I don't know whether it works on arm64 simulators.