From fd6d6ab2d86a806c91f2fcbfdbf8fd1ed892ce38 Mon Sep 17 00:00:00 2001
From: Paul Schneider <paul@pschneider.fr>
Date: Sun, 28 Jun 2026 01:13:08 +0100
Subject: [PATCH] postit: change MainPage base class from NavigationPage to
 ContentPage
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HomePage.OnLoginClick does Navigation.PushAsync(new MainPage
{ ... }). NavigationPage.PushAsync only accepts a Page (or
Page subclass), not a MultiPage. MainPage was declared as

  public partial class MainPage : NavigationPage

in MainPage.axaml.cs and the root of MainPage.axaml was

  <NavigationPage ...>

which means 'new MainPage()' produced a MultiPage, not a
Page. PushAsync against a MultiPage argument does not route
through the standard Page push path; the visible result is
that the login succeeds, LoginSucceeded fires, but the UI
stays on LoginPage — the user is left looking at the
post-login state without any navigation.

The XAML content of MainPage (a StackPanel with the post
CRUD UI, a ListBox, a TextEditor) does not need the
multi-page container semantics — it's a single screen.
Switch both the code-behind base class and the XAML root
element to ContentPage so that MainPage is what
PushAsync expects.
---
 src/PostIt/PostIt/Views/MainPage.axaml    | 4 ++--
 src/PostIt/PostIt/Views/MainPage.axaml.cs | 5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/PostIt/PostIt/Views/MainPage.axaml b/src/PostIt/PostIt/Views/MainPage.axaml
index b4b65be9..e6a0c59f 100644
--- a/src/PostIt/PostIt/Views/MainPage.axaml
+++ b/src/PostIt/PostIt/Views/MainPage.axaml
@@ -1,4 +1,4 @@
-<NavigationPage xmlns="https://github.com/avaloniaui"
+<ContentPage xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -57,4 +57,4 @@
             </Border>
         
     </StackPanel>
-</NavigationPage>
+</ContentPage>
diff --git a/src/PostIt/PostIt/Views/MainPage.axaml.cs b/src/PostIt/PostIt/Views/MainPage.axaml.cs
index f84098cd..769234e3 100644
--- a/src/PostIt/PostIt/Views/MainPage.axaml.cs
+++ b/src/PostIt/PostIt/Views/MainPage.axaml.cs
@@ -1,14 +1,13 @@
-
 using Avalonia;
 using Avalonia.Controls;
 
 namespace PostIt.Views;
 
-public partial class MainPage  : NavigationPage
+public partial class MainPage : ContentPage
 {
     public MainPage()
     {
         InitializeComponent();
     }
 
-}
\ No newline at end of file
+}