android.view.View$OnUnhandledKeyEventListener

Question

I am new to Android Studio and I don\'t get why my toolbar isn\'t shown as described by https://developer.android.com/training/appbar/setting-up I know there are already som

Answer 1

There's problem with library ~-v7:28.0.0. There are two solutions, your can either download compile and targetSdkVersion to 27 or upgrade Android Studio to latest version (3.2.x higher).