Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null

[Davisme2]

I GET THIS PROBLEM WHEN I USE "flutter run" In my App please help me

Running Gradle task 'assembleDebug'... /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/smart_refresher.dart:513:22: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.

• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/smart_refresher.dart:765:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/smart_refresher.dart:788:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/smart_refresher.dart:796:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/smart_refresher.dart:803:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/internals/indicator_wrap.dart:260:24: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/internals/indicator_wrap.dart:290:22: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-2.0.0/lib/src/internals/indicator_wrap.dart:393:22: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addPostFrameCallback((_) { ^ No file or variants found for asset: assets/icon/icon.png.

Error detected in pubspec.yaml:

FAILURE: Build failed with an exception.

• Where: Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1156

• What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'.

  Process 'command 'C:\src\flutter\bin\flutter.bat'' finished with non-zero exit value 1

• Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 13m 50s Exception: Gradle task assembleDebug failed with exit code 1

[Davisme2]

My flutter version: 3.0.5 I use android studio. I will show a screenshot of Any page in the project. if you need

[AdilSoomro]

We've released an updated version 1.1.5 with all pubspec issue fixed. Please try that.

Also update Flutter 3.3.7 or 3.3.8. Also make sure, you've android sdk 32 installed.

If the error still persists, install team viewer and send an email to houziapp@gmail.com

[Davisme2]

ok thanks

[AdilSoomro]

marking this issue as closed. let me know if you face any issue.