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
If using Android X and androidx.core:core and/or androidx.appcompat:appcompat, update androidx.core:core to 1.4.0-alpha01 and/or androidx.appcompat:appcompat to 1.3.0-alpha01