Android: Dynamically set font for ASCII and UNICODE text

Binding.kt

@BindingAdapter(value = ["android:fontFamilyByText"])
fun TextView.customFontFamilyByText(text: String?) {

    val isAscii = Charsets.US_ASCII.newEncoder().canEncode(text)

    val fontFamily = if (isAscii) {
        ResourcesCompat.getFont(context, R.font.inter_variable_font_slnt_wght);
    } else {
        ResourcesCompat.getFont(context, R.font.noto_sans_bengali_variable_font_wdth_wght);
    }

    setTypeface(fontFamily, typeface.style)
}

usage.xml

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Any content"
android:textSize="60sp"
android:fontFamilyByText="@{`Same content as text for checking text is unicode or ascii`}"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />