Question

我正在尝试将我的flutter_webview插件版本升级到最新版本。

当前，我正在使用v0.2.0，一切正常。在pubspec.yaml中将其更新到v0.3.6并运行flutter run之后，我得到了这一点：

Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
D8: Program type already present: android.support.v4.os.ResultReceiver$MyResultReceiver


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
 com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives

然后我更新了build.gradle文件，在build.gradle的defaultConfig部分中添加了一行，如下所示：

multiDexEnabled true

这样做之后，我得到了：

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformClassesWithMultidexlistForDebug'.
com.android.build.api.transform.TransformException: Error while generating the main dex list.

接下来，我进入了build.gradle文件，并将gradle版本从3.2.1更新到了3.3.2。这样做之后，我得到了：

Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
D8: Program type already present: android.support.v4.app.INotificationSideChannel$Stub$Proxy

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformClassesWithMultidexlistForDebug'.
 com.android.build.api.transform.TransformException: Error while generating the main dex list:
  Error while merging dex archives: 
  Learn how to resolve the issue at https://developer.android.com/studio/build/dependencies#duplicate_classes.
  Program type already present: android.support.v4.app.INotificationSideChannel$Stub$Proxy

我进入gradle.properties并添加了两行：

android.useAndroidX=true
android.enableJetifier=true

..结果收到了大量这样的消息：

Resolving dependencies...                                           3.9s
c:\src\flutter\.pub-cache\hosted\pub.dartlang.org\flutter_custom_tabs-0.4.0\android\src\main\java\com\github\droibit\flutter\plugins\customtabs\CustomTabsPlugin.java:7: error: package android.support.annotation does not exist
import android.support.annotation.NonNull;
                                 ^
c:\src\flutter\.pub-cache\hosted\pub.dartlang.org\flutter_custom_tabs-0.4.0\android\src\main\java\com\github\droibit\flutter\plugins\customtabs\CustomTabsPlugin.java:8: error: cannot find symbol
import android.support.customtabs.CustomTabsIntent;

您可能会说，我不是gradle方面的专家，基本上到此为止，我会四处闲逛，阅读堆栈溢出文章，并尝试找到可行的魔术组合。有人会想到我可以尝试解决原始问题的方法吗？

如果有帮助，我在Android Studio中打开了我的项目，并尝试通过选择“重构”->“迁移到AndroidX”来升级到AndroidX，并被告知我没有使用AndroidX。

[编辑]这是我的pubspec.yaml文件的内容：

# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
version: 1.0.0+1

environment:
  sdk: ">=2.1.0 <3.0.0"

dependencies:
  flutter:
    sdk: flutter
  webfeed: ^0.4.2
  http: 0.12.0
  flutter_bloc: 0.9.1
  equatable: ^0.2.0
  flutter_html_view: ^0.5.11
  webview_flutter: ^0.2.0
  html2md: ^0.2.1

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^0.1.2

dev_dependencies:
  flutter_test:
    sdk: flutter


# For information on the generic Dart part of this file, see the
# following page: https://www.dartlang.org/tools/pub/pubspec

# The following section is specific to Flutter.
flutter:

  # The following line ensures that the Material Icons font is
  # included with your application, so that you can use the icons in
  # the material Icons class.
  uses-material-design: true

Answer 1

好的，我克服了这个错误。似乎正在发生与flutter_html_view的冲突。如果我从我的应用中删除了该软件包（及其所有使用），一切都会恢复。我还将其他一些依赖项更新到了最新版本，到目前为止，我的pubspec.yaml依赖项部分如下：

dependencies:
  flutter:
    sdk: flutter
  webfeed: ^0.4.2
  http: 0.12.0
  flutter_bloc: 0.13.0
  #equatable: ^0.2.0
  #flutter_html_view: ^0.5.11
  webview_flutter: ^0.3.6
  html2md: ^0.2.1

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^0.1.2

我很想知道将来如何分析这类依赖关系问题，因为对此的“解决方案”涉及升级我的所有依赖关系，然后删除对flutter_html_view的引用（并使用以下代码进行引用）-我很幸运，如果必须找出flutter_html_view的替代品是幸运的。

将webview_flutter插件更新到最新版本（0.3.6）时遇到麻烦

1 个答案: