change package name to uiuios

res/layout/widget_cell_content.xml

@@ -55,7 +55,7 @@
 
     <!-- The image of the widget. This view does not support padding. Any placement adjustment
          should be done using margins. -->
-    <com.android.launcher3.widget.WidgetImageView
+    <com.android.uiuios.widget.WidgetImageView
         android:id="@+id/widget_preview"
         android:layout_width="match_parent"
         android:layout_height="0dp"