Error:Unknown host 'dl.google.com' You may need to adjust the proxy settings in Gradle

Question

I am getting this error in android studio 3.0.

Unknown host \'dl.google.com\' You may need to adjust the proxy settings in Gradle

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Answer 1

In my case, after I config kotlin for project I face this problem.

After 30 minutes try 'Auto proxy' and learn about proxy with no hope, I see suddenly I see

repositories {
    mavenCentral()
}

in the end of my build.gradle. Then I delete it and it working.
The most interesting is after it working, I put above line to gradle again but it still working. So maybe it is not a root problem, however I think it may bring some luck in some case.

Currently, I use Window and AndroidStudio 3.4.2