导入资源后

//基础工具库
implementation "com.github.tamsiree.RxTool:RxKit:v2.4.1"
//UI库
implementation "com.github.tamsiree.RxTool:RxUI:v2.4.1"
//(依赖RxUI库时，需要额外依赖 cardview 库)
//noinspection GradleCompatible,GradleCompatible
implementation 'com.android.support:cardview-v7:27.1.1'
//相机库
implementation "com.github.tamsiree.RxTool:RxCamera:v2.4.1"
//功能库（Zxing扫描与生成二维码条形码 支付宝 微信）
implementation "com.github.tamsiree.RxTool:RxFeature:v2.4.1"

implementation 'com.google.zxing:android-core:3.3.0'
implementation 'com.google.zxing:core:3.3.2'后

搜索ActivityScanerCode

这种问题怎么解决