diff --git a/src/snapbuild/app/EditorPane.java b/src/snapbuild/app/EditorPane.java
index 0362127..43e3e34 100644
--- a/src/snapbuild/app/EditorPane.java
+++ b/src/snapbuild/app/EditorPane.java
@@ -13,7 +13,7 @@
 /**
  * A class to manage the Editor and controls.
  */
-public class EditorPane extends ViewController {
+public class EditorPane extends SNPViewController {
 
     // The menu bar owner
     private EditorPaneMenuBar  _menuBar;
diff --git a/src/snapbuild/app/EditorPaneMenuBar.java b/src/snapbuild/app/EditorPaneMenuBar.java
index fbc21ea..29b79a2 100644
--- a/src/snapbuild/app/EditorPaneMenuBar.java
+++ b/src/snapbuild/app/EditorPaneMenuBar.java
@@ -11,7 +11,7 @@
 /**
  * Menu bar for Editor pane.
  */
-public class EditorPaneMenuBar extends ViewController {
+public class EditorPaneMenuBar extends SNPViewController {
 
     // The EditorPane
     private EditorPane  _editorPane;
diff --git a/src/snapbuild/app/FlatIconPanel.java b/src/snapbuild/app/FlatIconPanel.java
index 8160503..2d6ee0f 100644
--- a/src/snapbuild/app/FlatIconPanel.java
+++ b/src/snapbuild/app/FlatIconPanel.java
@@ -12,7 +12,7 @@
 /**
  * A view controller subclass to provide UI to search and select images.
  */
-public class FlatIconPanel extends ViewController {
+public class FlatIconPanel extends SNPViewController {
 
     // The ImageItems
     private List<FlatIconItem> _items;
@@ -52,6 +52,11 @@ protected void initUI()
         getView("FlatIconLabel", Label.class).setTextColor(Color.DARKGRAY);
     }
 
+    @Override
+    protected void resetUI() {
+
+    }
+
     /**
      * Respond UI.
      */
diff --git a/src/snapbuild/app/GalleryPane.java b/src/snapbuild/app/GalleryPane.java
index eb45758..9fdede8 100644
--- a/src/snapbuild/app/GalleryPane.java
+++ b/src/snapbuild/app/GalleryPane.java
@@ -8,7 +8,7 @@
 /**
  * Manages the UI for Gallery of views and arrange controls (move up/down, group/ungroup).
  */
-public class GalleryPane extends ViewController {
+public class GalleryPane extends SNPViewController {
 
     // The editor pane
     protected EditorPane _epane;
diff --git a/src/snapbuild/app/InspectorPane.java b/src/snapbuild/app/InspectorPane.java
index 5c37578..41f670c 100644
--- a/src/snapbuild/app/InspectorPane.java
+++ b/src/snapbuild/app/InspectorPane.java
@@ -6,7 +6,7 @@
 /**
  * A class to manage inspector.
  */
-public class InspectorPane extends ViewController {
+public class InspectorPane extends SNPViewController {
 
     // The EditorPane
     protected EditorPane _epane;
diff --git a/src/snapbuild/app/SamplesPane.java b/src/snapbuild/app/SamplesPane.java
index 21e1ed6..8df5e09 100644
--- a/src/snapbuild/app/SamplesPane.java
+++ b/src/snapbuild/app/SamplesPane.java
@@ -15,7 +15,7 @@
 /**
  * A class to show samples.
  */
-public class SamplesPane extends ViewController {
+public class SamplesPane extends SNPViewController {
 
     // The editor pane
     private EditorPane _editorPane;
@@ -122,6 +122,16 @@ protected void initUI()
         else buildUI();
     }
 
+    @Override
+    protected void resetUI() {
+
+    }
+
+    @Override
+    protected void respondUI(ViewEvent anEvent) {
+
+    }
+
     /**
      * Starts loading.
      */
diff --git a/src/snapbuild/app/ViewTool.java b/src/snapbuild/app/ViewTool.java
index 23c95b8..dc5ee64 100644
--- a/src/snapbuild/app/ViewTool.java
+++ b/src/snapbuild/app/ViewTool.java
@@ -6,7 +6,7 @@
 /**
  * A class to manage UI editing of a View.
  */
-public class ViewTool<T extends View> extends ViewController {
+public class ViewTool<T extends View> extends SNPViewController {
 
     // The EditorPane
     protected EditorPane  _editorPane;
@@ -55,4 +55,19 @@ protected View createUI()
         label.setTextColor(Color.LIGHTGRAY);
         return label;
     }
+
+    @Override
+    protected void initUI() {
+
+    }
+
+    @Override
+    protected void resetUI() {
+
+    }
+
+    @Override
+    protected void respondUI(ViewEvent anEvent) {
+
+    }
 }
\ No newline at end of file
diff --git a/src/snapbuild/app/WelcomePanel.java b/src/snapbuild/app/WelcomePanel.java
index ab274d2..89ca5cc 100644
--- a/src/snapbuild/app/WelcomePanel.java
+++ b/src/snapbuild/app/WelcomePanel.java
@@ -8,7 +8,7 @@
 /**
  * An implementation of a panel to manage/open user Snap sites (projects).
  */
-public class WelcomePanel extends ViewController {
+public class WelcomePanel extends SNPViewController {
 
     // The selected file
     private WebFile _selFile;
diff --git a/src/snapbuild/app/WelcomePanelAnim.java b/src/snapbuild/app/WelcomePanelAnim.java
index 172de82..cb2ee53 100644
--- a/src/snapbuild/app/WelcomePanelAnim.java
+++ b/src/snapbuild/app/WelcomePanelAnim.java
@@ -2,14 +2,15 @@
 import snap.geom.HPos;
 import snap.util.SnapEnv;
 import snap.util.SnapUtils;
+import snap.view.SNPViewController;
 import snap.view.TextArea;
 import snap.view.View;
-import snap.view.ViewController;
+import snap.view.ViewEvent;
 
 /**
  * Manages WelcomePanelAnim view.
  */
-public class WelcomePanelAnim extends ViewController {
+public class WelcomePanelAnim extends SNPViewController {
 
     /**
      * Constructor.
@@ -71,4 +72,14 @@ protected void initUI()
             "T:2640; TY:16; R:0; TX:-9; T:2960; R:0; TX:-9; TY:0; T:3280; R:-35; TX:0; TY:0; T:5000;");
         screwdriver.getAnim(0).setLoops();
     }
+
+    @Override
+    protected void resetUI() {
+
+    }
+
+    @Override
+    protected void respondUI(ViewEvent anEvent) {
+
+    }
 }
diff --git a/src/snapbuild/app/XMLTextPane.java b/src/snapbuild/app/XMLTextPane.java
index b5a890c..7016101 100644
--- a/src/snapbuild/app/XMLTextPane.java
+++ b/src/snapbuild/app/XMLTextPane.java
@@ -4,7 +4,7 @@
 /**
  * This class displays the editor content as XML and allows for editing.
  */
-public class XMLTextPane extends ViewController {
+public class XMLTextPane extends SNPViewController {
 
     // The EditorPane
     private EditorPane _editorPane;
@@ -100,4 +100,19 @@ protected View createUI()
         // Return
         return _textView;
     }
+
+    @Override
+    protected void initUI() {
+
+    }
+
+    @Override
+    protected void resetUI() {
+
+    }
+
+    @Override
+    protected void respondUI(ViewEvent anEvent) {
+
+    }
 }
\ No newline at end of file