android - No cache version available for offline mode -


i updating android stud via sdk manager com.google.protobuf:protobuf-java:3.0.0 think needs there in order me work offline 'cause not have internet @ home use universities internet updates. i've downloaded file think com.google.protobuf:protobuf-java:3.0.0 site https://mvnrepository.com/artifact/com.google.protobuf/protobuf-java/3.0.0-alpha-2, wondering if there way me to... don't know "plug in" or that?


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