c-brain-glass/base/src/main/res/layout/activity_x_webview.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:background="@color/app_color_black"
        android:layout_height="match_parent"
        tools:context=".web.XWebViewActivity">

        <ProgressBar
            android:id="@+id/X_progressBar"
            style="@style/Widget.AppCompat.ProgressBar.Horizontal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:max="100"
            app:layout_constraintTop_toTopOf="parent" />

        <WebView
            android:id="@+id/X_webView"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:background="@color/app_color_black"
            app:layout_constraintTop_toBottomOf="@id/X_progressBar"
            app:layout_constraintBottom_toBottomOf="parent"/>

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>