feat: add semantics to example app menu button for accessibility

Author: luke-genvis

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## 1.5.0
 
 * Added `drawerCloseSemanticLabel` parameter to set a semantic label for the tappable area that closes the drawer.
-* Integrated [`Semantics`](https://api.flutter.dev/flutter/widgets/Semantics-class.html) widgets to provide better screen reader support.
+* Integrated [`Semantics`](https://api.flutter.dev/flutter/widgets/Semantics-class.html) widgets to provide better screen reader support for the drawer and example app.
 * Integrated [`ExcludeFocus`](https://api.flutter.dev/flutter/widgets/ExcludeFocus-class.html) and [`ExcludeSemantics`](https://api.flutter.dev/flutter/widgets/ExcludeSemantics-class.html) to widgets to dynamically control focus and semantics based on drawer visibility.
 * Refactored Inkwell hiding to use `Visibility`
 

example/lib/main.dart

@@ -64,9 +64,13 @@ class _HomeScreenState extends State<HomeScreen> {
               builder: (_, value, __) {
                 return AnimatedSwitcher(
                   duration: Duration(milliseconds: 250),
-                  child: Icon(
-                    value.visible ? Icons.clear : Icons.menu,
-                    key: ValueKey<bool>(value.visible),
+                  child: Semantics(
+                    label: 'Menu',
+                    onTapHint: 'expand drawer',
+                    child: Icon(
+                      value.visible ? Icons.clear : Icons.menu,
+                      key: ValueKey<bool>(value.visible),
+                    ),
                   ),
                 );
               },