rand dart fix

deprecated/storyboard/example/lib/examples/complete_custom_lanes_builder.dart

@@ -18,8 +18,7 @@ class MyApp extends StatelessWidget {
           margin: const EdgeInsets.all(4.0),
           color: RandomColor(title.hashCode).randomColor(),
           child: Stack(
-            overflow: Overflow.visible,
-            children: [
+            clipBehavior: Clip.none, children: [
               child,
               Positioned(
                 left: -50,
@@ -94,7 +93,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/example/lib/examples/custom_lane_builder.dart

@@ -27,8 +27,7 @@ class MyApp extends StatelessWidget {
           margin: const EdgeInsets.all(4.0),
           color: RandomColor(title.hashCode).randomColor(),
           child: Stack(
-            overflow: Overflow.visible,
-            children: [
+            clipBehavior: Clip.none, children: [
               child,
               Positioned(
                 left: -50,
@@ -106,7 +105,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/example/lib/examples/dynamic_screen_sizes.dart

@@ -47,7 +47,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/example/lib/examples/material_app_example.dart

@@ -79,7 +79,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/example/lib/examples/storyboard_as_widget.dart

@@ -37,7 +37,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/example/lib/examples/widget_example.dart

@@ -38,7 +38,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/example/lib/main.dart

@@ -80,7 +80,7 @@ Widget _generateScreen({
       return Scaffold(
         appBar: AppBar(title: title),
         backgroundColor: color,
-        body: args == null ? null : Center(child: Text(args.toString())),
+        body: Center(child: Text(args.toString())),
         floatingActionButton: fab,
       );
     },

deprecated/storyboard/lib/src/media_query_observer.dart

@@ -23,13 +23,13 @@ class _MediaQueryObserverState extends State<MediaQueryObserver>
 
   @override
   void initState() {
-    WidgetsBinding.instance?.addObserver(this);
+    WidgetsBinding.instance.addObserver(this);
     super.initState();
   }
 
   @override
   void dispose() {
-    WidgetsBinding.instance?.removeObserver(this);
+    WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }
 
@@ -37,7 +37,7 @@ class _MediaQueryObserverState extends State<MediaQueryObserver>
   Widget build(BuildContext context) {
     return MediaQuery(
       data: widget.data ??
-          MediaQueryData.fromWindow(WidgetsBinding.instance!.window),
+          MediaQueryData.fromView(WidgetsBinding.instance.window),
       child: widget.child,
     );
   }

deprecated/storyboard/lib/src/nested_app.dart

@@ -38,7 +38,7 @@ class _NestedAppState extends State<NestedApp> {
 
   void setup() {
     _navKey = GlobalObjectKey<NavigatorState>(this);
-    WidgetsBinding.instance?.addPostFrameCallback((_) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
       if (widget.route != null) {
         _navKey.currentState?.pushReplacementNamed(
           widget.route!.name!,

deprecated/storyboard/lib/src/render_lane.dart

@@ -61,7 +61,6 @@ class _Lane extends StatelessWidget {
     required this.androidDevice,
     required this.cupertinoDevice,
     this.title,
-    this.itemBuilder,
     this.laneBuilder,
     this.size,
     this.shadow,