Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.

[robertoltrocha]

Hi,

After upgrade flutter to 3.0.1 I have had these warnings.

../../AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/flare_flutter-3.0.2/lib/flare_render_box.dart:167:26: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.
 - 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/scheduler/binding.dart').
        SchedulerBinding.instance?.cancelFrameCallbackWithId(_frameCallbackID);
                         ^
../../AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/flare_flutter-3.0.2/lib/flare_render_box.dart:170:28: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.
 - 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/scheduler/binding.dart').
          SchedulerBinding.instance?.scheduleFrameCallback(_beginFrame) ?? -1;
                           ^
../../AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/flare_flutter-3.0.2/lib/flare_render_box.dart:272:26: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.
 - 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/scheduler/binding.dart').
        SchedulerBinding.instance?.cancelFrameCallbackWithId(_frameCallbackID);

[emreedgu]

same here

[binSaed]

flare_flutter:
    git:
      url: https://github.com/tsinis/Flare-Flutter
      path: flare_flutter/ 

[gybin02]

same here

[gybin02]

../../.pub-cache/hosted/pub.flutter-io.cn/flare_flutter-3.0.2/lib/flare_render_box.dart:167:26: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.

• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../flutter/packages/flutter/lib/src/scheduler/binding.dart').
  SchedulerBinding.instance?.cancelFrameCallbackWithId(_frameCallbackID);
  ^
  ../../.pub-cache/hosted/pub.flutter-io.cn/flare_flutter-3.0.2/lib/flare_render_box.dart:170:28: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.
• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../flutter/packages/flutter/lib/src/scheduler/binding.dart').
  SchedulerBinding.instance?.scheduleFrameCallback(_beginFrame) ?? -1;
  ^
  ../../.pub-cache/hosted/pub.flutter-io.cn/flare_flutter-3.0.2/lib/flare_render_box.dart:272:26: Warning: Operand of null-aware operation '?.' has type 'SchedulerBinding' which excludes null.
• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../flutter/packages/flutter/lib/src/scheduler/binding.dart').
  SchedulerBinding.instance?.cancelFrameCallbackWithId(_frameCallbackID);
  ^
  flutter: app:build
  Reloaded 2 of 1165 libraries in 357ms.