How To Add Progress Bar On WebView Android App in Android Studio

 <ProgressBar

    android:layout_width="match_parent"

    android:layout_height="8dp"

    android:id="@+id/progress"

    style="?android:attr/progressBarStyleHorizontal"

    android:layout_marginTop="-3dp"

    android:progress="20"

    android:visibility="gone"/