Failed to resolve: android.arch.persistence.room:runtime: 1.0.0-alpha1
I am unable to compile the following gradle :- Error Message :- Show in File Show in Project Structure dialog It would be of help if somebody could loop in and help me here!! Library has a release version, update your gradle: More: https://developer.android.com/topic/libraries/architecture/adding-components.html I realize that this question is a bit old and that the current version of Room as of today is 1.1.1, but I think that your issue was actually due to the space between the last colon (:) after "runtime" and before the version (in this case, 1.0.0-alpha1). For example, rather than 'android.arch.persistence.room:runtime: 1.0.0-alpha1' it should read 'android.arch.persistence.room:runtime:1.0.0-alpha1' By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service, privacy policy and cookie policy, and that your continued use of the website is subject to these policies...