android {
    ...
    sourceSets {
        main.jniLibs.srcDirs = ['libs']
        test.jniLibs.srcDirs = ['libs']
    }
}

https://github.com/dm77/barcodescanner/issues/170

网上解决方案挺多了，还让降低版本，还让重新编译，目前我用这方法解决了。

https://blog.csdn.net/daijin888888/article/details/51374263
https://www.cnblogs.com/poe-blog/p/4728970.html
https://blog.csdn.net/cheng545/article/details/77840390?utm_source=blogxgwz4
https://www.jianshu.com/p/e5ea44673870
https://blog.csdn.net/liufuliang163/article/details/78802901