A useful binding adapter that will update the view's padding according to the system bar insets.

applySystemBarsInsetOnPadding.kt

/**
 *     Example:
 *
 *     <!--parent container (that's expanded to fullscreen)-->
 *     <androidx.constraintlayout.widget.ConstraintLayout
 *         android:layout_width="match_parent"
 *         android:layout_height="match_parent"
 *         ...
 *         app:applySystemBarsInsetOnPadding="@{true}">
 *         ...
 *         ...
 *         ...
 *     </androidx.constraintlayout.widget.ConstraintLayout>
 */
@BindingAdapter("app:applySystemBarsInsetOnPadding")
fun applySystemBarsInsetOnPadding(view: View, apply: Boolean) {
    if (!apply) return
    ViewCompat.setOnApplyWindowInsetsListener(view) { _, windowInsets ->
        val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
        view.updatePadding(bottom = insets.bottom, top = insets.top)
        windowInsets
    }
}