After upgrade message states:
Failed to refresh Gradle project \'XXX\'
The project is using an unsupported version of the Android Gradle plug-in (0.8.3).
Ve
hmm I'm getting this error when I try to add this dependency.
Error:(22) A problem occurred evaluating project ':app'.
Could not find method classpath() for arguments [com.android.tools.build:gradle:0.9.+] on project ':app'.
Ok solved it. This line should be part of the build.gradle "in the project root" as stated above, but I did not recognize. Updating the Build tools to 19.03 actually inserted it in automatically.