Error:(9, 5) error: resource android:attr/dialogCornerRadius not found

Question

So I installed android studio 3.0.1 and as soon as it opened the gradle built and showed the following errors. I tried adding dependencies such as design and support but in

Answer 1

I faced the same problem but I successfully solved the problem by changing the version of compileSdkVersion to the latest which is 29 and change the version of targetSdkVersion to the latest which is 29.

Go to the gradile.build file and change the compilesdkversion and targetsdkversion.