solve the warning

google · May 17, 2022 · 579669e · 579669e
1 parent 220ea94
commit 579669e
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/charts_flutter/example/lib/behaviors/slider.dart b/charts_flutter/example/lib/behaviors/slider.dart
@@ -119,7 +119,7 @@ class _SliderCallbackState extends State<SliderLine> {
       });
     }
 
-    SchedulerBinding.instance!.addPostFrameCallback(rebuild);
+    SchedulerBinding.instance.addPostFrameCallback(rebuild);
   }
 
   @override

diff --git a/charts_flutter/lib/src/chart_container.dart b/charts_flutter/lib/src/chart_container.dart
@@ -202,11 +202,11 @@ class ChartContainerRenderObject<D> extends RenderCustomPaint
 
     // Sometimes chart behaviors try to draw the chart outside of a Flutter draw
     // cycle. Schedule a frame manually to handle these cases.
-    if (!SchedulerBinding.instance!.hasScheduledFrame) {
-      SchedulerBinding.instance!.scheduleFrame();
+    if (!SchedulerBinding.instance.hasScheduledFrame) {
+      SchedulerBinding.instance.scheduleFrame();
     }
 
-    SchedulerBinding.instance!.addPostFrameCallback(startAnimationController);
+    SchedulerBinding.instance.addPostFrameCallback(startAnimationController);
   }
 
   /// Request Flutter to rebuild the widget/container of chart.
@@ -229,7 +229,7 @@ class ChartContainerRenderObject<D> extends RenderCustomPaint
     // This is needed to request rebuild after the legend has been added in the
     // post process phase of the chart, which happens during the chart widget's
     // build cycle.
-    SchedulerBinding.instance!.addPostFrameCallback(doRebuild);
+    SchedulerBinding.instance.addPostFrameCallback(doRebuild);
   }
 
   /// When Flutter's markNeedsLayout is called, layout and paint are both
-Original file line number
+Diff line change
@@ Expand Up / @@ -119,7 +119,7 @@ class _SliderCallbackState extends State<SliderLine> { @@
           });
         }
-        SchedulerBinding.instance!.addPostFrameCallback(rebuild);
+        SchedulerBinding.instance.addPostFrameCallback(rebuild);
       }
       @override
@@ Expand Down @@