Android Studio 3.1 does not render xml file due to a java class missing

Question

Always shows me the error in the massages

java.lang.ClassNotFoundException: android.view.View$OnUnhandledKeyEventListener

My pr

Answer 1

You can fix it easily.

Open build.gradle(Module: app) under Gradle Scripts and update the version of appcompat to given below and Sync now

implementation 'com.android.support:appcompat-v7:28.0.0-alpha1'