该项目为我大学的毕业设计，该分支使用了 Retrofit2, RxJava2, ZXing, Glide, LiveData, Room, Paging 等库
大致的功能有如下几点：
1.使用了 Retrofit2 + RxJava2 从豆瓣图书API获取书籍信息
2.使用 ZXing 来扫描图书的条码，根据图书条码去获取书籍信息
3.使用百度 OCR SDK 来实现文字识别
Copyright 2019 WangZhiYao
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.