Flutter镜像版本问题

Question

我刚刚升级了我的 flutter 版本，现在当我在 pubsec.yml 文件中获取包时遇到以下问题:

Because every version of flutter_test from sdk depends on image 2.1.4 and Instant_Feedback depends on image ^2.1.9, flutter_test from sdk is forbidden.

所以，因为 Instant_Feedback 依赖于 sdk 中的 flutter_test any， 版本解决失败。 pub 失败(1；所以，因为 Instant_Feedback依赖于sdk中的flutter_test任何版本，解决 失败。)

我的 pubsec.yml 文件

dependencies:
  flutter:
    sdk: flutter
  http: ^0.12.0+2
  shared_preferences: ^0.5.4+8
  firebase_messaging: ^6.0.3
  flutter_crashlytics: ^1.0.0
  firebase_core: ^0.4.2+1
  cupertino_icons: ^0.1.3
  device_calendar: ^1.0.0+2
  cloud_firestore: ^0.12.11
  auto_size_text: ^2.1.0
  flutter_expandable_menu: ^0.0.1
  webview_flutter: ^0.3.17
  flutter_spinkit: ^4.1.1+1
  get_it: 2.1.0
  bloc: ^0.15.0
  flutter_bloc: 0.21.0
  equatable: 0.5.1
  rflutter_alert: ^1.0.3
  expandable: ^3.0.1
  connectivity: ^0.4.6
  firebase_auth: ^0.15.1
  flutter_email_sender: ^2.2.1
  mockito: 4.1.1
  flutter_secure_storage: ^3.3.1+1
  image_picker: ^0.6.2+2
  async: any
  image: ^2.1.10
  image_crop: ^0.3.1
  flutter_cache_manager: ^1.1.3
  circular_profile_avatar: ^1.0.3
  package_info: ^0.4.0+12
  flutter_local_notifications: ^0.8.4+3
  flutter_webview_plugin: ^0.3.10
  url_launcher: ^5.2.7
  flutter_localizations:
    sdk: flutter
  flutter_cupertino_localizations: ^1.0.1


dev_dependencies:
  flutter_driver:
    sdk: flutter
  test: any

  ozzie: 2.0.1
  flutter_test:
    sdk: flutter
flutter:
  uses-material-design: true
  assets:
    - lib/app/assets/images/
    - lib/app/assets/flags/
    - lang/en.json
    - lang/de.json

Answer 1

Because every version of flutter_test from sdk depends on image 2.1.4 and Instant_Feedback depends on image ^2.1.9, flutter_test from sdk is forbidden.

我也遇到了同样的问题。根据该图片库的具体版本，找不到flutter_test的具体原因。也许这是 flutter 方面的问题。因此，这里有一些解决方案:

1. 注释掉 flutter_test dev_dependency。

   dev_dependency: # flutter 测试: # sdk: flutter

2. 设置所需的版本。

   我将镜像包版本设置为 2.1.4(按照错误消息中的要求)，而不是 2.1.12

   图片:^2.1.4

3. 如果多个软件包版本彼此不兼容，并且您不知道它们的确切兼容版本，则可以通过将两个冲突的依赖项设置为 any 来找到它，例如

   flutter_crashlytics:任何 firebase_core:任意

   这将自动找出兼容的软件包版本。在 pubspec.lock 文件中检查这些新的兼容版本，该文件将通过运行 flutter package get 自动生成。

   # 由 pub 生成 # 请参阅 https://www.dartlang.org/tools/pub/glossary#lockfile 套餐: flutter_crashlytics: ... 版本:“1.0.0” firebase_核心: ... 版本:“0.4.2+1”

   将 any 替换为正确的版本。

   flutter_crashlytics:1.0.0 firebase_core:0.4.2+1

注意:您不应该将版本保留为 any