feat: update example, focus and show

Author: lucasfernog

README.md

@@ -9,7 +9,8 @@ There are three general methods of installation that we can recommend.
 2. Git submodule install this repo in your tauri project and then use `file` protocol to ingest the source
 3. Use crates.io and npm (easiest, and requires you to trust that our publishing pipeline worked)
 
-For more details and usage see [the vanilla demo](examples/vanilla/src-tauri/src/main.rs). Please note, below in the dependencies you can also lock to a revision/tag in the `Cargo.toml`.
+For more details and usage see [the vanilla demo](examples/vanilla/src-tauri/src/main.rs).
+Please note, below in the dependencies you can also lock to a revision/tag in the `Cargo.toml`.
 
 `src-tauri/Cargo.toml`
 ```yaml
@@ -29,5 +30,8 @@ fn main() {
 }
 ```
 
+To prevent flashes when the window is updated, the window `visible` property must be set to `false`.
+The plugin is responsible for showing it after restoring its state.
+
 # License
 MIT / Apache-2.0

examples/vanilla/src-tauri/Cargo.lock

@@ -56,8 +56,7 @@
         "title": "app",
         "width": 800,
         "height": 600,
-        "resizable": true,
-        "fullscreen": false
+        "visible": false
       }
     ],
     "security": {

examples/vanilla/src-tauri/tauri.conf.json

@@ -60,6 +60,8 @@ impl<R: Runtime> Plugin<R> for WindowState {
                 }))
                 .unwrap();
         }
+        window.show().unwrap();
+        window.set_focus().unwrap();
     }
 
     fn on_event(&mut self, app: &AppHandle<R>, event: &Event) {