我有一个颤振应用程序,它在Flutter 3.0上运行正常,但是在迁移到Null Safety之后,我在尝试运行时收到了这个:
FAILURE: Build failed with an exception.
* Where:
Script 'C:\apps\flutter\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1156
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
&
C:\flutter\flutter_windows_v1.9.1+hotfix.2-stable\flutter\bin\flutter.bat --no-color build apk
Target file "lib\main.dart" not found.
Process finished with exit code 1
下面的问题是什么?最近更新的颤振,然后得到了这个错误。
FAILURE: Build failed with an exception.
* Where:
Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1035
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\src\flutter\
在我更新我的工作室之后,颤振停止运行,出现错误消息。
FAILURE: Build failed with an exception.
* Where:
Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 904
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\src\flutter\bi
我正在尝试运行我的颤振项目,但是我得到了这个错误日志:
/D:/applications/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore_platform_interface-5.5.0/lib/src/method_channel/utils/exception.dart:12:7: Error: A non-null value must be returned since the return type 'Never' doesn't allow null.
Never conv
我试图在android模拟器中运行应用程序,但这个错误一直在弹出。
FAILURE: Build failed with an exception.
* Where:
Script 'C:\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1005
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\flutte
我连接了这个包,将它添加到main.dart,我尝试编译应用程序,但我得到了这个错误。救命啊!我该怎么做呢? 错误 Launching lib\main.dart on XT1562 in debug mode...
Running Gradle task 'assembleDebug'...
/D:/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.18.1/lib/src/picture_provider.dart:50:59: Error: No named parameter with the nam
我正在学习如何使用intro_slider包在Android中创建intro_slider屏幕,并在网上看到了源代码。然而,当我尝试执行它们时,它会给我带来许多错误。请帮帮忙。以下是显示的错误:
Try correcting the name to the name of an existing method, or defining a method named 'FlatButton'.
return FlatButton(
^^^^^^^^^^
FAILURE: Build failed with an exceptio
我正面临着运行我的应用程序的问题。请帮帮我伙计们。我尝试删除gradle并按照以前的建议重新下载它。我使用windows,并使用Pixel 33运行
[Error: unable to locate asset entry in pubspec.yaml: "fonts/googlesansebold.ttf".][1]
FAILURE: Build failed with an exception.
* Where:
Script 'C:\flutter\packages\flutter_tools\gradle\flutter.gradle' line
我有个错误:
-/C:/src/flutter/flutter/packages/flutter/lib/src/services/asset_bundle.dart:240:12: Error: A value of type 'ByteData?' can't be returned from an async function with return type 'Future<ByteData>' because 'ByteData?' is nullable and 'Future<ByteData>
注意,当我试图运行一个从github克隆它的应用程序时,就会出现这个错误,而我不知道如何解决它--
../../flutterVerson/flutter_windows_1.22.4-stable/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_form_builder-3.13.6/lib/src/form_builder_custom_field.dart:96:40: Error: The getter 'autovalidate' isn't defined for the class 'FormF
我创建了一个新的flutter项目,当运行它时,它会给出这个错误 Target kernel_snapshot failed: Exception: The value of -DDartDefines is not formatted correctly.
The value must be a JSON-encoded list of strings but was:
[flutter.inspector.structuredErrors=true]
build failed.
FAILURE: Build failed with an exception.
* Where:
Scr
自从昨天我升级了我的flutter后,我就一直在与这个问题作斗争,我不知道是什么导致了这个问题。我已经在谷歌上搜索过了,但我似乎没有找到任何答案,所以我需要帮助。 我的Flutter SDK的位置和错误如下。 Script 'C:\Users\src\Music\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 904
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Pro
当我在android studio上运行我的flutter应用程序时,出现了这个错误,我确实flutter干净,有很多命令,但它不起作用。 Running Gradle task 'assembleDebug'...
/E:/setupfolder/programs/AndroidSDK/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-1.6.4/lib/src/smart_refresher.dart:434:9: Error: No named parameter with the name '
在构建flutter项目时遇到了这个问题,但之前的相同项目工作正常,我不能理解这个问题。 Launching lib\main.dart on Nokia 3 1 in debug mode...
Running Gradle task 'assembleDebug'...
Oops; flutter has exited unexpectedly.
Crash report written to C:\Users\hp\Desktop\schoolbells\flutter_02.log;
please
当我试图在测试设备上打开用Flutter制作的应用程序时,我得到了以下错误。我尝试了许多方法,但都不能得到成功的结果。您认为这个错误是什么?我如何解决它?
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/provider-2.0.1+1/lib/src/provider.dart:179:19: Error: The method 'inheritFromWidgetOfExactType' isn't defined for the class 'BuildContext'.
- 'B
我运行项目,不编辑任何东西,然后它会抛出这个异常
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/getwidget-2.0.5/lib/components/animation/gf_animation.dart:244:28: Error: Required named parameter 'vsync' must be provided.
child: AnimatedSize(
^
/C:/src/flutter/packages/flutter/
我尝试使用地理编码依赖,但它不支持空安全。在项目中是否有使用地编码器依赖的方法?
这是错误
Launching lib\main.dart on Android SDK built for x86 in debug mode...
Running Gradle task 'assembleDebug'...
Error: Cannot run with sound null safety, because the following dependencies
don't support null safety:
- package:geocoder
For sol
两个月前我的代码运行良好,现在出现了一个错误。错误代码在下面。我该怎么办?
Launching lib\main.dart on Android SDK built for x86 in debug mode...
lib\main.dart:1
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_core-1.24.0/lib/src/firebase_app.dart:18:25: Error: Member not found: 'FirebaseAppPlatform.verifyExtends
当我试图在模拟器上运行应用程序时,我得到这个错误,说有问题与…我猜是Flutter的源码。我尝试了pub get和pub升级,卸载插件并重新安装,删除Flutter文件并再次解压,但都不起作用。谢谢!
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/pull_to_refresh-1.6.4/lib/src/smart_refresher.dart:434:9: Error: No named parameter with the name 'keyboardDismissBehavior'.
Launching lib\main.dart on sdk gphone64 x86 64 in debug mode...
Running Gradle task 'assembleDebug'...
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/platform-2.2.1/lib/src/interface/local_platform.dart:45:41: Error: Member not found: 'packageRoot'.
String get packageRoot =>
我试着下载了最新版本的Flutter,它在代码中出现了错误,并且变得更糟了。这是一个错误:
/C:/fluttersdk/flutter/.pub-cache/hosted/pub.dartlang.org/google_maps_place_picker-1.0.1/lib/src/components/prediction_tile.dart:29:51: Error: The getter 'title' isn't defined for the class 'TextTheme'.
- 'TextTheme' is from
当我在VS代码或cmd中创建的应用程序的文件夹中输入"flutter run“时,我得到了这个错误: Launching lib\main.dart on LG H870 in debug mode...
Target file "C:\Users\Kwiat\Documents\\Users\Kwiat\Documents\\Users\Kwiat\Documents\Projects\Flutter\kaka\kaka\build\app\intermediates\flutter\debug\android-arm64/flutter_assets" not f
安装html_editor_enhanced后出现以下错误:^2.2.0+1-dev.1
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_colorpicker-0.5.0/lib/src/hsv_picker.dart:730:43: Error: The parameter 'event' of the method 'AlwaysWinPanGestureRecognizer.addAllowedPointer' has type 'PointerDownEvent', whic
我的flutter代码运行得很好,我已经在上面运行了多次测试。我刚刚决定安装新的VS代码更新并重新启动我的VS代码应用程序。突然之间,我开始遇到下面的错误,我搜索了整个代码以查找该方法,但没有找到 Launching lib\main.dart on Android SDK built for x86 in debug mode...
lib\main.dart
../../../flutter_windows_1.22.3-stable/flutter/packages/flutter/lib/src/widgets/navigator.dart:3783:32: Error: Get
我正在进行一个颤振项目,试图构建一个apk,这给了我一个错误。
下面是我尝试运行应用程序时得到的错误代码
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/chewie-0.9.10/lib/src/chewie_player.dart:83:7: Error: No named parameter with the name 'resizeToAvoidBottomPadding'.
resizeToAvoidBottomPadding: false,
^^^^^^^^^^^^^^^^^^^^^^^^^^
/C:/s
当我尝试在Android模拟器上运行Google时,我收到了一条错误消息。它确实提到了一些关于如何解决问题的链接,但我仍然不明白。
错误是:
***
**Launching lib\main.dart on Android SDK built for x86 in debug mode...**
***
lib\main.dart:1
Error: Cannot run with sound null safety, because the following dependencies
don't support null safety:
- package:google_
当我运行flutter doctor -v时,我会得到一些未知的错误,然后就会崩溃。
产出如下:
C:\Users\philb>flutter doctor -v
'git rev-parse HEAD' is not recognized as an internal or external command,
operable program or batch file.
Building flutter tool...
Running pub upgrade...
'dir /a:l "c:\Users\philb\flutter\bin\cache\
在上一次颤振更新之后,我的项目得到了实实在在的提升。我得到了这个错误:
/C:/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/reorderables-0.4.2/lib/src/widgets/passthrough_overlay.dart:135:24: Warning: Operand of null-aware operation '!' has type 'SchedulerBinding' which excludes null.
- 'SchedulerBinding' i
我正在尝试用android启动我的项目,但是发生了一个错误,而昨天它是功能的。
AppData/Local/Pub/Cache/hosted/pub.dartlang.org/flutter_easyloading-3.0.0/lib/src/widgets/indicator.dart:166:22: Error: The method 'SpinKitPouringHourglass' isn't defined for the class '_LoadingIndicatorState'.
- '_LoadingIndicatorStat
我已经有几个月没有接触Flutter了,现在我的旧项目不能运行了。我尝试了Pub get- Pub升级-过时等。
颤动清洁不起作用,扑动医生看起来很好
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/get-4.3.4/lib/get_navigation/src/root/get_material_app.dart:297:15: Error: No named parameter with the name 'scrollBehavior'.
scrollBehavior: scrollBehavio
我正在开发应用程序,一切都按计划进行,然后我将升级为最新版本的flutter。
我试过颤栗医生-v一切看起来都很好。
这是当我试图构建我的应用程序时收到的错误信息:
Compiler message:
/C:/src/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 p