Error:A problem occurred configuring project ‘:app‘.
> Could not resolve all dependencies for configuration ‘:app:_debugCompile‘.
> Could not find com.android.support:support-v4:19.0.0.
Required by:
HackerTool:app:unspecified
> Could not find com.android.support:appcompat-v7:19.0.0.
Required by:
HackerTool:app:unspecified
Error:Failed to find: com.android.support:appcompat-v7:20.+
<a href="openFile">Open File</a><br><a href="open.dependency.in.project.structure">Open in Project Structure dialog</a>
解决方法:
在android sdk manager上把 android library support的库也都装上就可以了