firebase - 如何知道在 Flutter 应用程序中使用哪个版本的 Google Firebase 插件？

Question

我一直被 Gradle 无法构建所困扰(在 iOS 上工作得很好)。我很挣扎，因为 Gradle 给出了一个通用错误，今天终于得到了这个:

FAILURE: Build failed with an exception.

* What went wrong: Failed to capture fingerprint of input files for task ':app:preDebugBuild' property 'compileManifests' during up-to-date check.
> In project 'app' a resolved Google Play services library dependency depends on another at an exact version (e.g. "[18.0.   0]", but isn't being resolved to that version. Behavior exhibited by the library will be unknown.

  Dependency failing: com.google.firebase:firebase-messaging:18.0.0 -> com.google.firebase:firebase-iid@[18.0.0], but fire   base-iid version was 17.1.2.

  The following dependencies are project dependencies that are direct or have transitive dependencies that lead to the art   ifact with the issue.   -- Project 'app' depends on project 'firebase_messaging' which depends onto com.google.firebase:firebase-messaging@18.0.   0  
-- Project 'app' depends on project 'firebase_core' which depends onto com.google.firebase:firebase-core@16.0.9   -- Project 'app' depends on project 'firebase_analytics' which depends onto com.google.firebase:firebase-analytics@16.5.   0   -- Project 'app' depends on project 'firebase_remote_config' which depends onto com.google.firebase:firebase-config@16.4   .1   -- Project 'app' depends onto com.google.firebase:firebase-core@16.0.9

  For extended debugging info execute Gradle from the command line with ./gradlew --info :app:assembleDebug to see the dep   endency paths to the artifact. This error message came from the google-services Gradle plugin, report issues at https://   github.com/google/play-services-plugins and disable by adding "googleServices { disableVersionCheck = false }" to your b   uild.gradle file.

* 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

这是在我从 pubspec 中取出版本号以查看是否有帮助之后。我不明白 Google 的版本编号，也不确定应该安装哪个版本的插件，因为它在过去曾引起过冲突:

dependencies:
 flutter:
 sdk: flutter
 http:
 cached_network_image: 
 flutter_cache_manager:
 carousel_pro: 
 cloud_firestore:
 firebase_core:
 firebase_remote_config:
 dynamic_theme: 
 flutter_signin_button:
 shared_preferences:
 share:
 flutter_search_bar:
 google_sign_in:
 #flutter_facebook_login:
 flutter_html: 
 requests: 
 webview_flutter:
 flutter_webview_plugin:
 firebase_analytics:
 flutter_app_badger:  #for launcher badge icon (notifications)
 uuid:
 font_awesome_flutter: 
 device_info:
 carousel_slider: 
 flutter_spinkit: 
 flutter_typeahead:
 firebase_messaging:
 html_unescape:
 flutter_masked_text: 
 configurable_expansion_tile: 
 stripe_payment:
 square_in_app_payments:

Google 似乎没有保持一致的版本编号，通过删除版本号，我认为它至少会采用理论上应该可以工作的最新版本的插件。那么，我该如何解决这个问题呢？

Answer 1

您应该首先将版本号放回其中。

这是 firebase/play 服务版本不匹配的问题，因此您可以确定 pubspec.yaml 中的其他插件都正常。

失败的依赖是 firebase 消息传递。

它用很多话来告诉你

com.google.firebase:firebase-messaging:18.0.0 package depends on com.google.firebase:firebase-iid@[18.0.0]

但只找到 17.1.2。

你需要

com.google.firebase:firebase-core@16.0.9
com.google.firebase:firebase-analytics@16.5.0
com.google.firebase:firebase-config@16.4.1

将来，如果您遇到版本问题，请检查特定包的 GitHub 问题，看看您当前使用的版本是否有任何问题。这将为您节省大量时间。

我不建议从 pubsepc.yaml 中删除版本号，但如果您输入

firebase_messaging: any

它将为您提供兼容版本。