如何混淆Flutter应用程序？ [英] How to obfuscate Flutter apps?

问题描述

Flutter的Wiki 提到混淆是一种选择

但是， flutter build 命令没有相关选项-请参阅：

flutter帮助-v构建apk

Flutter's wiki mentions obfuscation is an opt-in in release mode.
And yet, the flutter build command has no relevant option - see:
flutter help -v build apk

我在这里丢失了什么吗？

他们是否将混淆设置为默认设置？

混淆甚至与颤动相关吗？

Am I missing something here?
Did they make obfuscation the default?
Is obfuscation even relevant for flutter?

对此，任何指针都将不胜感激。

Any pointers on this would be very appreciated.

推荐答案

需要混淆-扑扑的应用程序知道其功能名称，可以使用Dart的StackTrace类显示该名称。迷惑性有未测试的支持。要启用它：

Obfuscation is needed - a flutter app knows its function names, which can be shown using Dart's StackTrace class. There's under-tested support for obfuscation. To enable it:

对于Android ：

添加到文件 [ProjectRoot] /android/gradle.properties ：

extra-gen-snapshot-options=--obfuscate

---

对于iOS：

首先，编辑 [FlutterRoot] /packages/flutter_tools/bin/xcode_backend.sh ：

找到 build aot 调用，并添加一个标志，

---

For iOS:
First, edit [FlutterRoot]/packages/flutter_tools/bin/xcode_backend.sh:
Locate the build aot call, and add a flag to it,

${extra_gen_snapshot_options_or_none}

定义为：

local extra_gen_snapshot_options_or_none=""
if [[ -n "$EXTRA_GEN_SNAPSHOT_OPTIONS" ]]; then
  extra_gen_snapshot_options_or_none="--extra-gen-snapshot-options=$EXTRA_GEN_SNAPSHOT_OPTIONS"
fi

要应用更改，请在[FlutterRoot]中运行

To apply your changes, in [FlutterRoot], run

git commit -am "Enable obfuscation on iOS"  
flutter  

（在提交重建颤振工具后运行 flutter。）

(Running "flutter" after the commit rebuilds flutter tools.)

下一步，在您的项目中，将以下内容添加到 [ProjectRoot] /ios/Flutter/Release.xcconfig 文件：

Next, in your project, add following to [ProjectRoot]/ios/Flutter/Release.xcconfig file:

EXTRA_GEN_SNAPSHOT_OPTIONS=--obfuscate

---

PS：没有尝试过 https://github.com/dart-lang/sdk/issues/30524

再一次，混淆 isn如@mraleph所述，测试得很好。

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