run code after one year then face this issue
when flutter run command then command response error
how can remove these error
also run command flutter create -t app
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_math_fork-0.3.3+1/lib/src/widgets/selectable.dart:407:7: Error: The non-abstract class 'InternalSelectableMathState' is missing implementations for these members:
TextSelectionDelegate.copySelection
TextSelectionDelegate.cutSelection
TextSelectionDelegate.pasteText
TextSelectionDelegate.selectAll
Try to either
provide an implementation,
inherit an implementation from a superclass or mixin,
mark the class as abstract, or
provide a 'noSuchMethod' implementation.
class InternalSelectableMathState extends State
^^^^^^^^^^^^^^^^^^^^^^^^^^^
/C:/src/flutter/packages/flutter/lib/src/services/text_input.dart:1034:8: Context: 'TextSelectionDelegate.copySelection' is defined here.
void copySelection(SelectionChangedCause cause);
^^^^^^^^^^^^^
/C:/src/flutter/packages/flutter/lib/src/services/text_input.dart:1014:8: Context: 'TextSelectionDelegate.cutSelection' is defined here.
Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1102
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 25s
Running Gradle task 'assembleDebug'... 26.1s
Exception: Gradle task assembleDebug failed with exit code 1
Well, I hate bringing you bad news, but Flutter received a LOT of updates. You might want to either
Use an older version of Flutter (see: THIS LINK)
Refactor your code to adhere to the changes
Related
I'm using Flutter to code the frontend interface of my App but I got this problem. I don't get it, can you help me understand the error ?
The error :
../../Documents/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_core-19.4.56/lib/src/legend/legend.dart:1329:21: Error: The getter 'SystemMouseCursors' isn't defined for the class '_LegendItemState'.
'_LegendItemState' is from 'package:syncfusion_flutter_core/src/legend/legend.dart' ('../../Documents/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_core-19.4.56/lib/src/legend/legend.dart'). Try correcting the name to the name of an existing getter, or defining a getter or field named 'SystemMouseCursors'. cursor: SystemMouseCursors.click, ^^^^^^^^^^^^^^^^^^
FAILURE: Build failed with an exception.
Where: Script '/Users/macbookpro/Documents/flutter/packages/flutter_tools/gradle/flutter.gradle' line: 991
What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'.
Process 'command '/Users/macbookpro/Documents/flutter/bin/flutter'' 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 20s Exception: Gradle task assembleDebug failed with exit code 1
I updated dependencies by dart pub upgrade, but here i thought due to some cache already there causing this error. i have tried dart clean cache but problem is still there. kindly take this issue underconsideration problem statement is mentioned below. It seems like my uuid class can't extend umodifiableuint8listview but class is not even present in the code
**../../flutter/.pub-cache/hosted/pub.dartlang.org/uuid_enhanced-3.0.2/lib/uuid.dart:9:7: Error: 'UnmodifiableUint8ListView' is restricted and can't be extended or implemented.
class Uuid extends UnmodifiableUint8ListView {
^**
2
FAILURE: Build failed with an exception.
* Where:
Script 'C:\Users\hp\Documents\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1005
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\Users\hp\Documents\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 54s
Exception: Gradle task assembleDebug failed with exit code 1
/C:/Users/Funmi/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/isolate_bloc-1.0.4/lib/src/common/isolate/platform_channel/isolated_platform_channel_middleware.dart:29:25: Error: The method 'setMockMessageHandler' isn't defined for the class 'BinaryMessenger'.
'BinaryMessenger' is from 'package:flutter/src/services/binary_messenger.dart' ('/C:/Users/Funmi/flutter/packages/flutter/lib/src/services/binary_messenger.dart').
Try correcting the name to the name of an existing method, or defining a method named 'setMockMessageHandler'.
platformMessenger.setMockMessageHandler(channel, (message) {
^^^^^^^^^^^^^^^^^^^^^
FAILURE: Build failed with an exception.
Where:
Script 'C:\Users\Funmi\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1052
What went wrong:
Execution failed for task ':app:compileFlutterBuildRelease'.
Process 'command 'C:\Users\Funmi\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 39s
Running Gradle task 'assembleRelease'... 40.2s
Gradle task assembleRelease failed with exit code 1
Finished with error: Gradle task assembleRelease failed with exit code 1
check this website and apply it by order some values end of the implementation or classpath could be old , search and change compared to depracated.
../../flutter/.pub-cache/hosted/pub.dartlang.org/flutter_datetime_picker-1.3.8/lib/src/datetime_picker_theme.dart:6:28: Error: Type 'DiagnosticableMixin' not found.
class DatePickerTheme with DiagnosticableMixin {
^^^^^^^^^^^^^^^^^^^
../../flutter/.pub-cache/hosted/pub.dartlang.org/flutter_datetime_picker-1.3.8/lib/src/datetime_picker_theme.dart:6:7: Error: The type 'DiagnosticableMixin' can't be mixed in.
class DatePickerTheme with DiagnosticableMixin {
^
FAILURE: Build failed with an exception.
* Where:
Script '/home/tfradebe/flutter/packages/flutter_tools/gradle/flutter.gradle' line: 896
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command '/home/tfradebe/flutter/bin/flutter'' 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 28s
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 29.1s
Exception: Gradle task assembleDebug failed with exit code 1
There is a fix in progress to solve this issue that affected many plugins. In the meantime, you can include the reference to flutter_datetime_picker like this
flutter_datetime_picker:
git:
url: https://github.com/ditheshthegreat/flutter_datetime_picker # Repo
ref: patch-1 # Branch name
This is the github related ticket
Compiler message:
../../../flutter/.pub-cache/hosted/pub.dartlang.org/cached_network_image-1.1.3/lib/src/cached_network_image_provider.dart:42:24: Error: The method 'CachedNetworkImageProvider.load' has fewer positional arguments than those of overridden method 'ImageProvider.load'.
ImageStreamCompleter load(CachedNetworkImageProvider key) {
^
../../../flutter/packages/flutter/lib/src/painting/image_provider.dart:403:24: Context: This is the overridden method ('load').
ImageStreamCompleter load(T key, DecoderCallback decode);
^
Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
build failed.
FAILURE: Build failed with an exception.
Where:
Script '/Users/shutter/Desktop/flutter/packages/flutter_tools/gradle/flutter.gradle' line: 780
What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
Process 'command '/Users/shutter/Desktop/flutter/bin/flutter'' 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 1m 1s
Finished with error: Gradle task assembleDebug failed with exit code 1
Just replace cached_network_image:1.1.3 with cached_network_image: ^2.0.0-rc in your pubspec.yaml file, refer this for more.
Flutter v1.12.13 is having issues
I have resolved this issue by doing following changes
Switch to master channel of flutter
Update flutter to 1.13.5
created new project
copy paste old files into new project
Voila it's worked