title: Error:Unknown host 'jcenter.bintray.com'.
body: <p>Error:Unknown host 'This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server'. You may need to adjust the proxy settings in Gradle.
  Enable Gradle 'offline mode' and sync project<br><a href="https://docs.gradle.org/current/userguide/userguide_single.html#sec:accessing_the_web_via_a_proxy" rel="noreferrer">Learn about configuring HTTP proxies in Gradle</a></p>