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

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    tools:context="io.github.wulkanowy.ui.main.attendance.AttendanceFragment">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center">

        <ImageView
            android:id="@+id/wrench_under_construction"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/textView3"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="45dp"
            android:contentDescription="@string/activity_dashboard_text"
            android:minHeight="100dp"
            android:minWidth="100dp"
            app:srcCompat="@drawable/ic_wrench_24dp" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="47dp"
            android:text="@string/activity_under_construction"
            android:textSize="17sp"
            android:gravity="center"
            android:textAlignment="center"
            android:id="@+id/textView3" />
    </RelativeLayout>

</android.support.design.widget.CoordinatorLayout>