项目运行报错

[wsure0808]

小白刚刚开始学习，我这个报错是因为sdk版本(1.5.4-hotfix.2)有问题么？怎么解决啊？ @kaina404

[kaina404]

@wsure0808 能看下你的ImageStreamListener文件么

[kaina404]

这是我的位置：

[wsure0808]

@kaina404 这个是flutter的sdk目录么？我没有找到这个目录

[kaina404]

@wsure0808 flutter doctor 给我看下
Flutter (Channel stable, v1.9.1+hotfix.4, on Mac OS X 10.14.6 18G95, locale zh-Hans-CN)这是我的

[kaina404]

@wsure0808 下面是我的配置文件

name: doubanapp
description: A new Flutter project.

# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a +.
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
# 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

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

  flutter_cache_manager: 1.1.0

#  palette_generator: 0.1.1

  flutter_webview_plugin: 0.3.0+2

  webview_flutter: 0.3.3+1

  video_player: 0.10.0+2
  # 用来模拟网络返回的数据，这些数据是真实的，这里模拟
  dio: 1.0.13

  fluttertoast: 3.0.4

  cached_network_image: 1.1.0

  shared_preferences: 0.5.3+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
  assets:
      - assets/images/
      - mock/

  # To add assets to your application, add an assets section, like this:
  # assets:
  #  - images/a_dot_burr.jpeg
  #  - images/a_dot_ham.jpeg

  # An image asset can refer to one or more resolution-specific "variants", see
  # https://flutter.io/assets-and-images/#resolution-aware.

  # For details regarding adding assets from package dependencies, see
  # https://flutter.io/assets-and-images/#from-packages

  # To add custom fonts to your application, add a fonts section here,
  # in this "flutter" section. Each entry in this list should have a
  # "family" key with the font family name, and a "fonts" key with a
  # list giving the asset and other descriptors for the font. For
  # example:
  # fonts:
  #   - family: Schyler
  #     fonts:
  #       - asset: fonts/Schyler-Regular.ttf
  #       - asset: fonts/Schyler-Italic.ttf
  #         style: italic
  #   - family: Trajan Pro
  #     fonts:
  #       - asset: fonts/TrajanPro.ttf
  #       - asset: fonts/TrajanPro_Bold.ttf
  #         weight: 700
  #
  # For details regarding fonts from package dependencies,
  # see https://flutter.io/custom-fonts/#from-packages

[wsure0808]

@kaina404

[kaina404]

@wsure0808 尝试更新flutter到1.9

[betterFuture]

@wsure0808 请问这个问题你怎么解决的 我和你遇到一样的问题 flutter版本1.5.4

[HpBoss]

flutter版本更新比较快，我当时确实是在官网下载了最新版本的sdk，具体怎么弄得我都记不太清除了，反正他的代码有点不符合编译器的规范所以会报一些错误，你按照它提示的错误信息修改就可以了，还有就是一些flutter配置方面的问题也会影响运行，我记得有些包是需要阿里的镜像，所以要修改flutter sdk里的要进行一些修改，如果你不知道报错信息是什么问题，就上网去搜，总会解决的

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