fix: make DemoHelperViewer serializable

Close #86
FlowingCode · Apr 3, 2024 · 866a819 · 866a819
1 parent daa2cb3
commit 866a819
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diff --git a/src/main/java/com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java b/src/main/java/com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java
@@ -20,13 +20,14 @@
 package com.flowingcode.vaadin.addons.demo;
 
 import com.vaadin.flow.component.Component;
+import java.io.Serializable;
 
 /**
  * Implementations of this interface can be used to display content rendered by
  * {@link DemoHelperRenderer}.
  *
  */
-public interface DemoHelperViewer {
+public interface DemoHelperViewer extends Serializable {
 
   /**
    * Shows help content.

diff --git a/src/main/java/com/flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java b/src/main/java/com/flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java
@@ -27,6 +27,7 @@
  * {@link Dialog}.
  * 
  */
+@SuppressWarnings("serial")
 public class DialogDemoHelperViewer implements DemoHelperViewer {
 
   @Override