setSupportActionBar (androidx.appcompat.widget.Toolbar) in AppCompatActivity cannot be applied

Question

An error showing incompatible types Android widget toolbar cannot be converted in Java compiler while working on Android Studio.

    Toolbar toolbar = (Toolb         


        

Answer 1

AndroidX is the new and improved support library

 import androidx.appcompat.widget.Toolbar;

you can check more about from here here

Androidx's toolbar is designed for backwards compatibility while

android.widget.Toolbar

is the current plattform type