fix widget compile error

com.unity.uiwidgets/Runtime/widgets/animated_size.cs

 using Unity.UIWidgets.foundation;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 
 namespace Unity.UIWidgets.widgets {
     public class AnimatedSize : SingleChildRenderObjectWidget {

com.unity.uiwidgets/Runtime/widgets/automatic_keep_alive.cs

 using System.Collections.Generic;
 using Unity.UIWidgets.async2;
 using Unity.UIWidgets.foundation;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 
 namespace Unity.UIWidgets.widgets {
                         if (!mounted) {
                             return;
                         }
+
                         ParentDataElement childElement1 = _getChildElement();
                         D.assert(childElement1 != null);
                         _updateParentDataOfChild(childElement1);
                             if (mounted && _handles.isEmpty()) {
                                 setState(() => { D.assert(!_keepingAlive); });
                             }
+
                             return null;
                         });
                     }
             return null;
         }
     }
-    
-    
+
+
     public abstract class AutomaticKeepAliveClientWithTickerProviderStateMixin<T> : State<T>, TickerProvider
         where T : StatefulWidget {
         HashSet<Ticker> _tickers;
 
-            Func<string> debugLabel = null;
-            D.assert(() => {
-                debugLabel = () => "created by " + this;
-                return true;
-            });
-            var result = new _AutomaticWidgetTicker<T>(onTick, this, debugLabel: debugLabel);
+            var result = new _AutomaticWidgetTicker<T>(onTick, this,
+                debugLabel: foundation_.kDebugMode ? "created by " + this : null);
             _tickers.Add(result);
             return result;
         }

com.unity.uiwidgets/Runtime/widgets/basic.cs

                 alignment: alignment,
                 repeat: repeat,
                 centerSlice: centerSlice,
-                invertColors: invertColors,
-                filterMode: filterMode
+                invertColors: invertColors
+                // filterMode: filterMode
             );
         }
 
             renderImage.repeat = repeat;
             renderImage.centerSlice = centerSlice;
             renderImage.invertColors = invertColors;
-            renderImage.filterMode = filterMode;
+            // renderImage.filterMode = filterMode;
         }
 
         public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {

com.unity.uiwidgets/Runtime/widgets/dismissible.cs

 using Unity.UIWidgets.gestures;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 
 namespace Unity.UIWidgets.widgets {
         internal _AutomaticWidgetTicker(
             TickerCallback onTick,
             AutomaticKeepAliveClientWithTickerProviderStateMixin<T> creator,
-            Func<string> debugLabel = null) :
+            string debugLabel = null) :
             base(onTick: onTick, debugLabel: debugLabel) {
             _creator = creator;
         }
-        public override void dispose() {
+        public override void Dispose() {
-            base.dispose();
+            base.Dispose();
         }
     }
 

com.unity.uiwidgets/Runtime/widgets/editable_text.cs

 using Unity.UIWidgets.material;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.service;
 using Unity.UIWidgets.ui;
 using UnityEngine;

com.unity.uiwidgets/Runtime/widgets/list_wheel_scroll_view.cs

 using Unity.UIWidgets.physics;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.external;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 using UnityEngine;
 

com.unity.uiwidgets/Runtime/widgets/navigator.cs

 using Unity.UIWidgets.gestures;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.scheduler2;
-using SchedulerBinding = Unity.UIWidgets.scheduler.SchedulerBinding;
-using SchedulerPhase = Unity.UIWidgets.scheduler.SchedulerPhase;
+using SchedulerBinding = Unity.UIWidgets.scheduler2.SchedulerBinding;
+using SchedulerPhase = Unity.UIWidgets.scheduler2.SchedulerPhase;
 
 namespace Unity.UIWidgets.widgets {
     public delegate Route RouteFactory(RouteSettings settings);

com.unity.uiwidgets/Runtime/widgets/nested_scroll_view.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.physics;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 using UnityEngine;
 using Color = Unity.UIWidgets.ui.Color;

com.unity.uiwidgets/Runtime/widgets/overlay.cs

 using Unity.UIWidgets.foundation;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 
 namespace Unity.UIWidgets.widgets {

com.unity.uiwidgets/Runtime/widgets/overscroll_indicator.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.physics;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 using UnityEngine;
 using Canvas = Unity.UIWidgets.ui.Canvas;
 
         public override void dispose() {
             _glowController.dispose();
-            _displacementTicker.dispose();
+            _displacementTicker.Dispose();
             _pullRecedeTimer?.cancel();
             base.dispose();
         }

com.unity.uiwidgets/Runtime/widgets/scroll_activity.cs

 using Unity.UIWidgets.gestures;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.physics;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 using UnityEngine;
 

com.unity.uiwidgets/Runtime/widgets/scroll_context.cs

 using Unity.UIWidgets.painting;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 
 namespace Unity.UIWidgets.widgets {
     public interface ScrollContext {

com.unity.uiwidgets/Runtime/widgets/scroll_position.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.physics;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 
 namespace Unity.UIWidgets.widgets {

com.unity.uiwidgets/Runtime/widgets/scrollable.cs

 using Unity.UIWidgets.gestures;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 using UnityEngine;
 

com.unity.uiwidgets/Runtime/widgets/text_selection.cs

 using Unity.UIWidgets.foundation;
 using Unity.UIWidgets.gestures;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.service;
 using Unity.UIWidgets.ui;
 using Rect = Unity.UIWidgets.ui.Rect;

com.unity.uiwidgets/Runtime/widgets/texture.cs

         //         instance.scheduleFrame(false);
         //     }
         // }
-        
-        public Texture(Key key = null, UnityEngine.Texture texture = null) : base(key: key) {
-            D.assert(texture != null);
-            this.texture = texture;
+
+        public Texture(int textureId, Key key = null) : base(key: key) {
+            D.assert(textureId != null);
+            this.textureId = textureId;
-        public readonly UnityEngine.Texture texture;
+        public readonly int textureId;
-            return new TextureBox(texture: texture);
+            return new TextureBox(textureId: textureId);
-            ((TextureBox) renderObject).texture = texture;
+            ((TextureBox) renderObject).textureId = textureId;
-}
+}

com.unity.uiwidgets/Runtime/widgets/ticker_provider.cs

 using System;
 using System.Collections.Generic;
 using Unity.UIWidgets.foundation;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 
 namespace Unity.UIWidgets.widgets {
     public class TickerMode : InheritedWidget {
                     "mixing in a SingleTickerProviderStateMixin, use a regular TickerProviderStateMixin."
                 );
             });
-            
-            Func<string> debugLabel = null;
-            D.assert(() => {
-                debugLabel = () => "created by " + this;
-                return true;
-            });
-            _ticker = new Ticker(onTick, debugLabel: debugLabel);
+
+            _ticker = new Ticker(onTick, debugLabel: foundation_.kDebugMode ? $"created by {this}" : null);
             return _ticker;
         }
 
 
         public Ticker createTicker(TickerCallback onTick) {
             _tickers = _tickers ?? new HashSet<Ticker>();
-
-            Func<string> debugLabel = null;
-            D.assert(() => {
-                debugLabel = () => "created by " + this;
-                return true;
-            });
-            var result = new _WidgetTicker<T>(onTick, this, debugLabel: debugLabel);
+            
+            var result = new _WidgetTicker<T>(onTick, this,
+                debugLabel: foundation_.kDebugMode ? "created by " + this : null);
             _tickers.Add(result);
             return result;
         }
         internal _WidgetTicker(
             TickerCallback onTick,
             TickerProviderStateMixin<T> creator,
-            Func<string> debugLabel = null) :
+            string debugLabel = null) :
             base(onTick: onTick, debugLabel: debugLabel) {
             _creator = creator;
         }
-        public override void dispose() {
+        public override void Dispose() {
-            base.dispose();
+            base.Dispose();
         }
     }
 }

com.unity.uiwidgets/Runtime/widgets/widget_inspector.cs

 using Unity.UIWidgets.gestures;
 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
-using Unity.UIWidgets.scheduler;
+using Unity.UIWidgets.scheduler2;
 using Unity.UIWidgets.ui;
 
 namespace Unity.UIWidgets.widgets {
             return null;
         }
 
-        internal override flow.Layer addToScene(SceneBuilder builder, Offset layerOffset = null) {
+        internal override void addToScene(SceneBuilder builder, Offset layerOffset = null) {
-                return null;
+                return;
             }
 
             RenderObject selected = selection.current;
             }
 
             builder.addPicture(layerOffset, _picture);
-            return null;
         }