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

Question

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

nEdAy opened this issue 2 years ago · comments

Describe the bug

Version (please complete the following information):

Flutter Version: Flutter 3.0.0 • channel stable
OS: Android
flutter_pulltorefresh Version : 2.0.0
Additional context
Add any other context about the problem here.

electriko3 commented 2 years ago

same

Dorin Buraca · Answer 1 · Sat May 14 2022 17:57:21 GMT+0800 (China Standard Time)

The same here:

`

'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../../Documents/flutter/packages/flutter/lib/src/widgets/binding.dart').
WidgetsBinding.instance!.addPostFrameCallback((_) {
^
../../../Documents/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' ('../../../Documents/flutter/packages/flutter/lib/src/widgets/binding.dart').
WidgetsBinding.instance!.addPostFrameCallback((_) {
^
../../../Documents/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' ('../../../Documents/flutter/packages/flutter/lib/src/widgets/binding.dart').
WidgetsBinding.instance!.addPostFrameCallback((_) {
^
../../../Documents/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.

`

iulian0512 · Answer 2 · Mon May 16 2022 19:07:22 GMT+0800 (China Standard Time)

i would categorize this project to abandonware

Taras Tataryn · Answer 3 · Tue May 17 2022 19:23:22 GMT+0800 (China Standard Time)

same issue

Gizem Malçok · Answer 4 · Tue May 17 2022 22:11:16 GMT+0800 (China Standard Time)

same issue..

Aymé · Answer 5 · Tue May 17 2022 22:32:42 GMT+0800 (China Standard Time)

Same issue, can u merge the PR to fixed it ?

wuht · Answer 6 · Tue May 24 2022 13:07:18 GMT+0800 (China Standard Time)

same issue

NawafAlkhadidi · Answer 7 · Sun Jun 05 2022 03:01:09 GMT+0800 (China Standard Time)

same issue

Mazen Coder · Answer 8 · Wed Jun 15 2022 13:27:01 GMT+0800 (China Standard Time)

same issue

苏晟 · Answer 9 · Thu Jun 16 2022 11:33:42 GMT+0800 (China Standard Time)

Pull to Refresh

pull_to_refresh:
git:
url: https://github.com/miquelbeltran/flutter_pulltorefresh
ref: 6d7fbdd

Muhammad Mahrash Malik · Answer 10 · Thu Jun 16 2022 21:55:56 GMT+0800 (China Standard Time)

same issue

Ahmad Falahian · Answer 11 · Wed Jun 22 2022 12:38:13 GMT+0800 (China Standard Time)

same issue

Wang62646264 · Answer 12 · Tue Jul 19 2022 09:44:41 GMT+0800 (China Standard Time)

same issue

Darren Ng · Answer 13 · Sat Jul 23 2022 04:02:54 GMT+0800 (China Standard Time)

Same issue

jeromekai · Answer 14 · Thu Aug 04 2022 17:37:47 GMT+0800 (China Standard Time)

pull_to_refresh_flutter3: ^2.0.1

Dorin Buraca · Answer 15 · Thu Aug 04 2022 20:27:43 GMT+0800 (China Standard Time)

Friends the solution is to use:
Good luck!