Recebo o seguinte erro e estou usando o Android studio 2.2 Preview 3. Pesquisei no Google, mas não encontrei nenhum recurso.

Error: This view is not constrained, it only has design time positions, so it will jump to (0,0) unless you add constraints

<TextView
        android:layout_width="384dp"
        android:layout_height="207dp"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="@string/calc_default_display"
        android:id="@+id/textView"
        android:background="#ffffff"
        android:layout_margin="0dp"
        android:gravity="bottom|end"
        android:textSize="70sp"
        android:nestedScrollingEnabled="false"
        android:maxLines="2"
        android:maxLength="17"
        tools:layout_editor_absoluteX="0dp"
        tools:layout_editor_absoluteY="0dp" />