use black screen on startup

cyberwow/android/app/src/main/res/values/styles.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar.Fullscreen">
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
-        <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:windowBackground">@android:color/black</item>
     </style>
 </resources>

cyberwow/lib/main.dart

@@ -50,6 +50,9 @@ void main() {
 class CyberWOW_App extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    SystemChrome.setEnabledSystemUIOverlays([SystemUiOverlay.bottom]);
+    SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.dark);
+
     return MaterialApp
     (
       title: 'CyberWOW',
@@ -179,11 +182,6 @@ class _CyberWOW_PageState extends State<CyberWOW_Page> with WidgetsBindingObserv
 
     WidgetsBinding.instance.addObserver(this);
 
-    SystemChrome.setEnabledSystemUIOverlays([SystemUiOverlay.bottom]);
-    SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.dark.copyWith(
-        statusBarColor: Colors.black,
-    ));
-
     final BlankState _blankState = BlankState(_setState, _getNotification, _isExiting);
     _state = _blankState;