Error:
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/image-2.1.19/lib/src/formats/psd/effect/psd_drop_shadow_effect.dart: Error: The control character U+0000 can only be used in strings and comments.
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/image-2.1.19/lib/src/formats/psd/effect/psd_effect.d
在打开应用程序时,颤振的防火墙软件包崩溃,这是日志文件,
E/MethodChannel#plugins.flutter.io/cloud_firestore(28101): Failed to handlemethod call
E/MethodChannel#plugins.flutter.io/cloud_firestore(28101):
java.lang.NullPointerException: Firestore component is not present.
E/MethodChannel#plugins.flutter.io/cloud_firestore(28101
有人能帮上忙吗? 我正在安装flutter,但是当我运行flutter doctor时,我遇到了这个问题: E:\flutter_project\first_app>flutter doctor -v
[√] Flutter (Channel stable, 2.2.3, on Microsoft Windows [Version 10.0.19042.1052], locale zh-CN)
• Flutter version 2.2.3 at D:\flutter
• Framework revision f4abaa0735 (7 days ago), 2021-
我遇到了以下错误:
Launching lib/main.dart on Chrome in debug mode...
This app is linked to the debug service: ws://127.0.0.1:45119/uWRkb_0RvDE%3D/ws
Debug service listening on ws://127.0.0.1:45119/uWRkb_0RvDE=/ws
Running with sound null safety
Connecting to VM Service at ws://127.0.0.1:45119/uWRkb_0RvDE=/
安装flutter软件包后,通过终端进行更改,并面临问题。总是得到如下所示的错误。
谁能帮我解决这个问题。
Unhandled exception:
Exception: Flutter failed to create a directory at "/Users/sabhinav/.config/flutter". The flutter tool cannot access the file or directory.
Please ensure that the SDK and/or project is installed in a location that has
我想从图像中检测文本,但每次运行程序时都会出现此错误,我试图更改firebase的版本,但徒劳无功,我还试图将我的项目迁移到androidx
E/MethodChannel#plugins.flutter.io/firebase_ml_vision(30037): java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.inwi.inwi_app. Make sure to call FirebaseApp.initializeApp(Context) first.
因为Flutter web还不支持dart:io库,而且有很多依赖于dart:io的包。 在为我的应用程序构建的过程中,我收到了此错误 transitive libraries have sdk dependencies that not supported on this platform:
app_core|lib/src/blocs/service/user_chat_bloc.dart
mqtt_client|lib/mqtt_client.dart 假设我想在没有mqtt_client.dart或user_chat_bloc.dart的情况下构建。没有这个库的构建对web来说不会
今天,当我编译我的颤振项目时,它显示了以下错误:
This will generate a JSON format file containing all messages that
need to be translated.
../../../.pub-cache/hosted/pub.flutter-io.cn/fish_redux-0.3.4/lib/src/redux_component/page.dart:208:17: Error: The method 'inheritFromWidgetOfExactType' isn't defined for t
我知道这是由于一些web库意外地导入到了移动端,但是在哪里呢?项目中没有提到导致问题的文件或代码行。我的项目非常庞大,有很多依赖项。我有两个单独的移动和网络特定的代码文件。我想我在任何时候都混在一起了,现在找不到它发生的位置。 有什么方法可以解决这个问题吗?有没有什么方法可以专门调试导致错误的文件? ../../../../../flutter/.pub-cache/hosted/pub.dartlang.org/firebase-7.3.2/lib/src/top_level.dart:1:8: Error: Not found: 'dart:html'
i
我在图像选择器插件中得到一个错误。我已经尝试了堆栈溢出中的所有资源,并且在过去的两天里我真的被困住了。 当app我尝试上传任何文件时,控制台会弹出错误,并且没有发生任何事情。我尝试编辑这些gradle文件,然后尝试重新启动应用程序几次。但是什么也没发生 错误日志: [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: MissingPluginException(No implementation found for method pickImage on channel plugins.flutter.io/im
我以前没有收到过这些日志(我很确定):
../../../../Development/flutter/.pub-cache/hosted/pub.dartlang.org/device_info_plus-3.2.3/lib/device_info_plus.dart:88:20: Error: Member not found:
'isAndroid'.
if (Platform.isAndroid) {
^^^^^^^^^
../../../../Development/flutter/.pub-cache/hosted/
当我运行这个命令时
flutter run --release
flutter build web --web-renderer html
我在控制台中得到了这个错误:
Launching lib\main.dart on Infinix X656 in release mode...
/C:/Users/Bilal%20Saeed/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/blue_thermal_printer-1.1.9/lib/blue_thermal_printer.dart:34:28: Error: Type 'Reg
我做了一个flutter应用程序,首先我显示所有关于pdf文件的信息,它包括文件的url,通信形式Restfull API,一切正常,但我想下载这个文件时,用户点击它,我尝试:
onTap: () async {
// downloadFile(snapshot.data[index].file);
Dio dio = new Dio();
Directory dir =
我用相机拍了一张照片,我找到了它的路径
/data/user/0/com.example.tarea_8/cache/CAP8057460019038129642.jpg
我试着像这样展示它
var imagePath = '/data/user/0/com.example.tarea_8/cache/CAP8057460019038129642.jpg';
Image.file(File(imagePath));
但我有个错误
The argument type 'File (where File is defined in C:\flutter\bin\cache\