[QReader](https://github.com/Eric-Canas/QReader) 2.0 has [breaking changes](https://github.com/Eric-Canas/QReader/commit/af0604d2005deff06b131c0c4c4ffc3a932d23c7#diff-6db9ce57018d2bfcd4539ee50dd687a27d4a3aeb6d7c73b4291d91f347d937b9). The code has to be adapted.