setSupportActionBar toolbar cannot be applied to (android.widget.Toolbar) error

Question

I\'ve been looking for an answer and I\'ve tried many possible solutions, but nothing seems to work..

I\'m trying to setup a Material Action Bar following this tutor

Answer 1

For Android version above 3:

import androidx.appcompat.widget.Toolbar;

For Android version below 3:

import android.widget.Toolbar;