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"
    tools:context=".ui.modules.exam.ExamFragment">

    <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"
                tools:listitem="@layout/header_exam" />
        </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>

        <LinearLayout
            android:id="@+id/examError"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center"
            android:orientation="vertical"
            android:visibility="invisible"
            tools:ignore="UseCompoundDrawables"
            tools:visibility="invisible">

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

            <TextView
                android:id="@+id/examErrorMessage"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="20dp"
                android:gravity="center"
                android:padding="8dp"
                android:text="@string/error_unknown"
                android:textSize="20sp" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:gravity="center"
                android:orientation="horizontal">

                <com.google.android.material.button.MaterialButton
                    android:id="@+id/examErrorDetails"
                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginEnd="8dp"
                    android:layout_marginRight="8dp"
                    android:text="@string/all_details" />

                <com.google.android.material.button.MaterialButton
                    android:id="@+id/examErrorRetry"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/all_retry" />
            </LinearLayout>
        </LinearLayout>
    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
        android:id="@+id/examNavContainer"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:layout_gravity="bottom"
        android:gravity="center"
        android:orientation="horizontal"
        tools:ignore="UnusedAttribute">

        <ImageButton
            android:id="@+id/examPreviousButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:contentDescription="@string/all_prev"
            android:paddingLeft="12dp"
            android:paddingTop="8dp"
            android:paddingRight="12dp"
            android:paddingBottom="8dp"
            android:scaleType="fitStart"
            android:tint="?colorPrimary"
            app:srcCompat="@drawable/ic_chevron_left" />

        <TextView
            android:id="@+id/examNavDate"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:fontFamily="sans-serif"
            android:gravity="center"
            android:text="@string/app_name"
            android:textSize="16sp" />

        <ImageButton
            android:id="@+id/examNextButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:contentDescription="@string/all_next"
            android:paddingLeft="12dp"
            android:paddingTop="8dp"
            android:paddingRight="12dp"
            android:paddingBottom="8dp"
            android:scaleType="fitEnd"
            android:tint="?colorPrimary"
            app:srcCompat="@drawable/ic_chevron_right" />
    </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
</FrameLayout>