我在尝试运行我的颤振项目时遇到错误

Question

当我尝试运行我的颤振项目时，我收到以下错误。 可能是什么原因？ ..................................................... ..................................................... ..................................................... ..................................................... ..................................................... ..................................................... ..................................................... ..................................................... ……

Launching lib\main.dart on Android SDK built for x86 in debug mode...
Running Gradle task 'assembleDebug'...
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/carousel_slider-4.1.1/lib/carousel_slider.dart:268:7: Error: No named parameter with the name 'padEnds'.
      padEnds: widget.options.padEnds,
      ^^^^^^^
/C:/src/flutter/flutter/packages/flutter/lib/src/widgets/page_view.dart:664:3: Context: Found this candidate, but the arguments don't match.
  PageView.builder({
  ^^^^^^^^^^^^^^^^
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_platform_interface-3.2.0/lib/src/method_channel/utils/exception.dart:13:11: Error: Method not found: 'Error.throwWithStackTrace'.
    Error.throwWithStackTrace(exception, stackTrace);
          ^^^^^^^^^^^^^^^^^^^
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_platform_interface-3.2.0/lib/src/method_channel/utils/exception.dart:16:9: Error: Method not found: 'Error.throwWithStackTrace'.
  Error.throwWithStackTrace(
        ^^^^^^^^^^^^^^^^^^^
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_platform_interface-3.2.0/lib/src/method_channel/utils/exception.dart:11:7: Error: A non-null value must be returned since the return type 'Never' doesn't allow null.
Never convertPlatformException(Object exception, StackTrace stackTrace) {
      ^


FAILURE: Build failed with an exception.

* Where:
Script 'C:\src\flutter\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1035

* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\src\flutter\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 3m 41s
Exception: Gradle task assembleDebug failed with exit code 1

这些是我在 pubspec.yaml 中的依赖项

dependencies:
  flutter:
    sdk: flutter

  cupertino_icons: ^1.0.3
#  google_fonts: ^2.1.0
  google_fonts: 2.2.0
  flutter_icons_nullsafty: ^1.0.0
  http: ^0.13.3
  cached_network_image: ^3.1.0
  encrypt: ^5.0.1
  flutter_svg: ^0.22.0
  qr_flutter: ^4.0.0
  clipboard: ^0.1.3
  share: ^2.0.4
  qr_code_scanner: ^0.5.2
  fluro: ^2.0.3
  url_launcher: ^6.0.10
  image_picker: ^0.8.4
  country_code_picker: ^2.0.2
  introduction_screen: ^2.1.0
  pin_code_fields: ^7.3.0
  provider: ^6.0.0
  hive: ^2.0.4
  hive_flutter: ^1.1.0
  flutter_secure_storage: ^4.2.1
  local_auth: ^1.1.7
  permission_handler: ^8.1.4+2
  fl_chart: ^0.40.0
  carousel_slider: ^4.0.0
  web3dart: ^2.3.1
  device_info_plus: ^2.1.0
  package_info_plus: ^1.3.0
  intl: ^0.17.0
  timeago: ^3.1.0
  razorpay_flutter: ^1.2.7
  flutter_paystack: ^1.0.5+1

  flutter_braintree: ^2.0.0+1
  loading_overlay: ^0.3.0
  lazy_load_scrollview: ^1.3.0
  shimmer: ^2.0.0
  in_app_review: ^2.0.3
  image_cropper: ^1.4.1
  ntp: ^2.0.0
  uuid: ^3.0.4
  cron: ^0.3.2
  dotted_border: ^2.0.0+1
  translator: ^0.1.7

  firebase_core: ^1.6.0

  firebase_messaging: ^10.0.9
  firebase_analytics: ^8.3.4
  firebase_dynamic_links: ^3.0.1

颤振医生 -v 响应

C:\Users\USER>flutter doctor -v
[√] Flutter (Channel unknown, 2.2.0, on Microsoft Windows [Version 10.0.19041.264], locale en-US)
    • Flutter version 2.2.0 at C:\src\flutter\flutter
    • Framework revision b22742018b (1 year ago), 2021-05-14 19:12:57 -0700
    • Engine revision a9d88a4d18
    • Dart version 2.13.0

[√] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at C:\Users\USER\Documents\Sdk
    • Platform android-31, build-tools 30.0.2
    • ANDROID_HOME = C:\Users\USER\Documents\Sdk
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[√] Android Studio (version 4.1.0)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)

[√] VS Code (version 1.67.1)
    • VS Code at C:\Users\USER\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.23.0

[√] Connected device (2 available)
    • Android SDK built for x86 (mobile) • emulator-5554 • android-x86    • Android 6.0 (API 23) (emulator)
    • Chrome (web)                       • chrome        • web-javascript • Google Chrome 100.0.4896.127

• No issues found!

Answer 1

您使用的是太旧的颤振版本。 您使用的是2.2.0版

padEnds仅在2.5.0版本中公开，如您在此处看到的：

https://docs.flutter.dev/development/tools/sdk/release-notes/release-notes-2.5.0

78558 在 PageView 小部件上公开 padEnds

你需要升级你的颤振。 你可以通过写来做到这一点

flutter upgrade

虽然它在你的颤振医生中说你在一个未知的频道上所以也许你需要做

flutter channel stable

第一的

Answer 2

我的猜测是某些依赖项正在使用已弃用的方法（在较新的 Flutter 版本中已删除）。

尝试以下命令（警告：在此之后您很可能必须更新您的代码库，以及您的软件包。）

1. 更新 Flutter—— flutter upgrade
2. 获取依赖flutter pub get
3. 更新依赖flutter pub upgrade
4. 重新获取依赖项flutter pub get
5. 将您的代码更新到最新版本。
6. 重建