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

Try to replace this:

import android.widget.Toolbar;

With this:

import androidx.appcompat.widget.Toolbar;

By the way, if you are using androidx. Run it's migration process. The android support libraries will not be supported in the future. You can read about it here:

AndroidX Migrating to AndroidX