当我们添加某些依赖库(Okhttp、Retrofit)时, Android studio 会报如下错误:
Error:A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_iranDebugCompile'.
> Could not resolve com.facebook.network.connectionclass:connectionclass:1.0.1.
Required by:
doctor:app:unspecified
> No cached version of com.facebook.network.connectionclass:connectionclass:1.0.1 available for offline mode.
需要注意的在最后一行, > No cached version of com.facebook.network.connectionclass:connectionclass:1.0.1 available for offline mode.
我们需要做的是,取消红色边框标记的选项,然后 build Gradle 。