From e65b3a335d509f023f7f7035f4ac34741b1b8c28 Mon Sep 17 00:00:00 2001
From: "Frank A. Krueger" <fak@praeclarum.org>
Date: Fri, 23 Mar 2018 12:40:51 -0700
Subject: [PATCH] Fire Page Appearing event

There's not really a great time to do this so I settled on
firing it when it's converted to a Ooui element.

Fixes #116
---
 Ooui.Forms/PageExtensions.cs     | 2 ++
 Samples/DisplayAlertPage.xaml    | 1 +
 Samples/DisplayAlertPage.xaml.cs | 7 +++++++
 3 files changed, 10 insertions(+)

diff --git a/Ooui.Forms/PageExtensions.cs b/Ooui.Forms/PageExtensions.cs
index 4ffe01d..99098ca 100644
--- a/Ooui.Forms/PageExtensions.cs
+++ b/Ooui.Forms/PageExtensions.cs
@@ -25,6 +25,8 @@ namespace Xamarin.Forms
             if (existingRenderer != null)
                 return existingRenderer.NativeView;
 
+            ((IPageController)page).SendAppearing ();
+
             return CreateElement (page);
         }
 
diff --git a/Samples/DisplayAlertPage.xaml b/Samples/DisplayAlertPage.xaml
index e610926..0c296d6 100644
--- a/Samples/DisplayAlertPage.xaml
+++ b/Samples/DisplayAlertPage.xaml
@@ -22,6 +22,7 @@
             </StackLayout>
             <Button Text="Tap to Display Alert"
                     Clicked="OnButtonClicked" />
+            <Label x:Name="status" />
         </StackLayout>
     </ContentPage.Content>
 </ContentPage>
diff --git a/Samples/DisplayAlertPage.xaml.cs b/Samples/DisplayAlertPage.xaml.cs
index 719568d..16acfcd 100644
--- a/Samples/DisplayAlertPage.xaml.cs
+++ b/Samples/DisplayAlertPage.xaml.cs
@@ -14,6 +14,13 @@ namespace Samples
 			InitializeComponent ();
 		}
 
+        protected override void OnAppearing ()
+        {
+            base.OnAppearing ();
+
+            status.Text = "Page appeared";
+        }
+
         public async void OnButtonClicked(object sender, EventArgs args)
         {
             activity.IsRunning = true;