No style for some widgets

[CeccoCQ]

Hi,
I'm using your library but I've a problem with a style.
I attach some screenshots and code below.

This is my xml:

<com.google.android.material.textfield.TextInputLayout
                           android:id="@+id/email_til"
                           style="@style/Widget.MaterialComponents.TextInputLayout.FilledBox"
                           android:layout_width="match_parent"
                           android:layout_height="wrap_content"
                           android:layout_below="@id/email_tv"
                           app:boxBackgroundColor="@color/color_secondary_variant_light"
                           app:boxCornerRadiusBottomEnd="4dp"
                           app:boxCornerRadiusBottomStart="4dp"
                           app:boxCornerRadiusTopEnd="4dp"
                           app:boxCornerRadiusTopStart="4dp"
                           app:endIconMode="clear_text"
                           app:errorEnabled="false"
                           app:helperTextEnabled="true">

                           <com.google.android.material.textfield.TextInputEditText
                               android:id="@+id/email_met"
                               android:layout_width="match_parent"
                               android:layout_height="wrap_content"
                               android:layout_marginTop="8dp"
                               android:imeOptions="actionNext"
                               android:inputType="textEmailAddress"
                               android:minHeight="50dp"
                               android:padding="0dp"
                               android:textColor="@color/lead"
                               app:endIconMode="clear_text"
                               app:met_floatingLabelText="EMAIL" />

</com.google.android.material.textfield.TextInputLayout>

If I extend AirConAppCompatActivity, I've

Seems that there are some conflicts with google Material package. I'm using androidx.

How can I solve?