二维码识别及生成

jar包地址：

一 首先谈下遇到的问题： 1.提示 You should manually set the same version via DependencyResolution

Android dependency \'com.android.support:support-compat\' has different version for the compile (25.3.0) and runtime (28.0.0) classpath. You should manually set the same version via DependencyResolution