Cleanup Forms element.

Author: davidbritch

CustomRenderers/HybridWebView/Droid/HybridWebViewRenderer.cs

@@ -33,5 +33,14 @@ protected override void OnElementChanged(ElementChangedEventArgs<WebView> e)
                 Control.LoadUrl($"file:///android_asset/Content/{((HybridWebView)Element).Uri}");
             }
         }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                ((HybridWebView)Element).Cleanup();
+            }
+            base.Dispose(disposing);
+        }
     }
 }

CustomRenderers/HybridWebView/UWP/HybridWebViewRenderer.cs

@@ -41,5 +41,14 @@ void OnWebViewScriptNotify(object sender, NotifyEventArgs e)
         {
             ((HybridWebView)Element).InvokeAction(e.Value);
         }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                ((HybridWebView)Element).Cleanup();
+            }
+            base.Dispose(disposing);
+        }
     }
 }

CustomRenderers/HybridWebView/iOS/HybridWebViewRenderer.cs

@@ -49,5 +49,14 @@ public void DidReceiveScriptMessage(WKUserContentController userContentControlle
         {
             ((HybridWebView)Element).InvokeAction(message.Body.ToString());
         }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                ((HybridWebView)Element).Cleanup();
+            }
+            base.Dispose(disposing);
+        }
     }
 }