Temp store.

Samples/UIWidgetsGallery/GalleryMain.cs

 using UIWidgetsGallery.gallery;
 using Unity.UIWidgets.engine;
 using Unity.UIWidgets.material;
+using Unity.UIWidgets.ui;
+using UnityEngine;
+        }
+        
+        protected override void Start() {
+            base.Start();
+            FontManager.instance.addFont(Resources.Load<Font>("MaterialIcons-Regular"));
         }
     }
 }