android - Error:Unknown host 'jcenter.bintray.com'.

Question

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
Learn about configuring HTTP proxies in Gradle

Answer 1

Go to File > Project Structure and then:

• Select project in the left-hand menu
• change jcenter to jcenter() in the Android plugin Repository and Default Library Repository