wulkanowy-mirror/app/src/main/res/layout/fragment_lucky_number.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
        android:id="@+id/luckyNumberProgress"
        style="@style/Widget.MaterialProgressBar.ProgressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:indeterminate="true"
        tools:visibility="invisible" />

    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
        android:id="@+id/luckyNumberSwipe"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:id="@+id/luckyNumberContent"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:orientation="vertical">

            <TextView
                android:layout_width="300dp"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:text="@string/lucky_number_header"
                android:textSize="24sp" />

            <TextView
                android:id="@+id/luckyNumberText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="52sp"
                tools:text="14" />
        </LinearLayout>
    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

    <LinearLayout
        android:id="@+id/luckyNumberEmpty"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:padding="10dp"
        android:visibility="gone"
        tools:ignore="UseCompoundDrawables">

        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            app:srcCompat="@drawable/ic_more_lucky_number"
            app:tint="?colorOnBackground"
            tools:ignore="ContentDescription" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:gravity="center"
            android:text="@string/lucky_number_empty"
            android:textSize="20sp" />
    </LinearLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>