UI shows add account ... nice.

linux/my_application.cc

@@ -21,7 +21,6 @@ static void my_application_activate(GApplication* application) {
 
   gtk_window_set_default_size(window, 1280, 800);
   gtk_widget_set_size_request(GTK_WIDGET(window), 400, 300);
-  gtk_widget_show(GTK_WIDGET(window));
 
   g_autoptr(FlDartProject) project = fl_dart_project_new();
   fl_dart_project_set_dart_entrypoint_arguments(
@@ -32,6 +31,10 @@ static void my_application_activate(GApplication* application) {
 
   fl_register_plugins(FL_PLUGIN_REGISTRY(view));
 
+  // Show AFTER adding FlView so GTK's first layout pass allocates the full
+  // window content area (1280×800) to FlView, not the default 1×1.
+  gtk_widget_show_all(GTK_WIDGET(window));
+
   gtk_widget_grab_focus(GTK_WIDGET(view));
 }