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

Downgrading to sdk 27 as one of the other post suggested came with a new set of problems for me. see: Android - resource linking failed / failed linking references

Adding an entry to my build.gradle (app level) solved the issue for me.

dependencies {
    ...

    implementation 'androidx.core:core:1.4.0-alpha01'
    ...
}

Here's where I got the idea to try this: https://github.com/android/sunflower/issues/295#issuecomment-649630057