wulkanowy-mod/app/src/main/res/layout/fragment_exam.xml

<FrameLayout 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">

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginBottom="50dp">

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

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

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

        <LinearLayout
            android:id="@+id/examEmpty"
            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_main_exam"
                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/exam_no_items"
                android:textSize="20sp" />
        </LinearLayout>
    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
        android:id="@+id/examNavContainer"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_gravity="bottom"
        android:orientation="horizontal"
        tools:ignore="UnusedAttribute">

        <com.google.android.material.button.MaterialButton
            android:id="@+id/examPreviousButton"
            style="@style/Widget.MaterialComponents.Button.TextButton"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="start|center_vertical"
            android:insetLeft="8dp"
            android:text="@string/all_prev"
            android:textColor="?android:textColorPrimary" />

        <TextView
            android:id="@+id/examNavDate"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="@string/app_name" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/examNextButton"
            style="@style/Widget.MaterialComponents.Button.TextButton"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_gravity="end"
            android:layout_weight="1"
            android:gravity="end|center_vertical"
            android:insetLeft="8dp"
            android:text="@string/all_next"
            android:textColor="?android:textColorPrimary" />
    </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
</FrameLayout>