Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Flutterアプリの難読化とエラーレポート(iOS)
Search
Hiroki Matsue
December 06, 2018
Technology
2
2k
Flutterアプリの難読化とエラーレポート(iOS)
"Flutter Meetup Tokyo #6"で使った資料です。
https://flutter-jp.connpass.com/event/105834/
Hiroki Matsue
December 06, 2018
Tweet
Share
More Decks by Hiroki Matsue
See All by Hiroki Matsue
Getting Screenshots Automatically in Flutter
matsue
2
510
Write tests for Provider
matsue
4
820
Optimize Flutter Workflow on Bitrise
matsue
2
1.2k
ややcomplexなBLoCへの対応
matsue
2
780
いまさらだけど「良い通知」について考えてみた
matsue
4
11k
リテンション率を2倍にするための2つの視点
matsue
0
3.5k
リソースを効率的に使うためのバックログ活用事例
matsue
1
470
ローディング時のより良いUIの実装
matsue
2
1.9k
カウルにおけるElasiticsearchの導入と実例
matsue
0
900
Other Decks in Technology
See All in Technology
【あのMCPって、どんな処理してるの?】 AWS CDKでの開発で便利なAWS MCP Servers特集
yoshimi0227
6
960
Delegating the chores of authenticating users to Keycloak
ahus1
0
190
Data Engineering Study#30 LT資料
tetsuroito
1
200
Microsoft Defender XDRで疲弊しないためのインシデント対応
sophiakunii
1
320
本当にわかりやすいAIエージェント入門
segavvy
1
660
shake-upを科学する
rsakata
7
1k
AWS CDK 入門ガイド これだけは知っておきたいヒント集
anank
5
760
〜『世界中の家族のこころのインフラ』を目指して”次の10年”へ〜 SREが導いたグローバルサービスの信頼性向上戦略とその舞台裏 / Towards the Next Decade: Enhancing Global Service Reliability
kohbis
3
1.5k
AI Ready API ─ AI時代に求められるAPI設計とは?/ AI-Ready API - Designing MCP and APIs in the AI Era
yokawasa
9
2.8k
60以上のプロダクトを持つ組織における開発者体験向上への取り組み - チームAPIとBackstageで構築する組織の可視化基盤 - / sre next 2025 Efforts to Improve Developer Experience in an Organization with Over 60 Products
vtryo
3
1.9k
Maintainer Meetupで「生の声」を聞く ~講演だけじゃないKubeCon
logica0419
0
110
Copilot coding agentにベットしたいCTOが開発組織で取り組んだこと / GitHub Copilot coding agent in Team
tnir
0
200
Featured
See All Featured
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.3k
How STYLIGHT went responsive
nonsquared
100
5.6k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
108
19k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
5.9k
Embracing the Ebb and Flow
colly
86
4.8k
Documentation Writing (for coders)
carmenintech
72
4.9k
Making the Leap to Tech Lead
cromwellryan
134
9.4k
Mobile First: as difficult as doing things right
swwweet
223
9.7k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
The World Runs on Bad Software
bkeepers
PRO
70
11k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Transcript
FlutterΞϓϦͷಡԽͱ ΤϥʔϨϙʔτ(iOS) Hiroki Matsue Dec 6th, 2018 Flutter Meetup Tokyo
#6
Hiroki Matsue (@macs_6)
FlutterͰIIJmio͚ʹ ʮΈ͓εΠονʯΛ ϦϦʔε
None
[࣭] FlutterͰΞϓϦΛ ϦϦʔε͍ͯ͠Δਓʁ
[࣭] ϦϦʔεલʹ ಡԽͨ͠ਓʁ
ϦϦʔεؔ࿈ͷυΩϡϝϯτ https://flutter.io/docs/deployment/ios
None
None
࠷ॳʹॻ͍͚ͯ͋ͬͨͲ ݟམͱͯͨ͠ (AndroidͷProGuardରԠͯͯ͠ؾ͍ͮͨ)
ͪͳΈʹ
(ϦϦʔεؔ࿈Ͱઢ) ΞΠίϯ࡞"flutterlaunchericons"͏ͱ 1ͭͷը૾͔Β͍͍ײ͡ʹ࡞ͬͯ͘ΕΔ
iOSDartίʔυ෦͕ ಡԽͷର
Δ͜ͱbuild࣌ʹ ΦϓγϣϯΛ͚ͭΔ͚ͩ (Կނ͔ॳظঢ়ଶͰରԠ͞Εͯͳ͍ ) https://github.com/flutter/flutter/wiki/Obfuscating-Dart-Code
<ProjectRoot>/ios/Flutter/Release.xcconfig EXTRA_GEN_SNAPSHOT_OPTIONS=--obfuscate
# <ProjectRoot>/packages/flutter_tools/bin/xcode_backend.sh 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 ... RunCommand "${FLUTTER_ROOT}/bin/flutter" --suppress-analytics \ ${verbose_flag} \ build aot \ --output-dir="${build_dir}/aot" \ --target-platform=ios \ --target="${target_path}" \ --${build_mode} \ --ios-arch="${archs}" \ ${local_engine_flag} \ ${track_widget_creation_flag} \ ${extra_gen_snapshot_options_or_none}
# <ProjectRoot>/packages/flutter_tools/bin/xcode_backend.sh local extra_gen_snapshot_options_or_none="" if [[ -n "$EXTRA_GEN_SNAPSHOT_OPTIONS" ]]; then
extra_gen_snapshot_options_or_none="--extra-gen-snapshot-options=$EXTRA_GEN_SNAPSHOT_OPTIONS" fi ... RunCommand "${FLUTTER_ROOT}/bin/flutter" --suppress-analytics \ ${verbose_flag} \ build aot \ --output-dir="${build_dir}/aot" \ --target-platform=ios \ --target="${target_path}" \ --${build_mode} \ --ios-arch="${archs}" \ ${local_engine_flag} \ ${track_widget_creation_flag} \ ${extra_gen_snapshot_options_or_none}
xcode_backend.sh ͱʁ Build PhaseͷRun ScriptͰΘΕ͍ͯΔεΫϦϓτ Xcode͔ΒDartίʔυ͕build͞ΕΔͷ͜Εͷ͓͔͛
(ઢ2) طଘΞϓϦʹFlutterΛಋೖ͢Δ࣌ xcode_backend.sh embed Add2AppϘʔυ্Ͱઈࢍ։ൃத
͜ΕͰϏϧυ͢Ε ಡԽྃʂ Χϯλϯʂ
ಡԽͷ֬ೝํ๏ʁ
App.frameworkΛ֬ೝ͢Δ $ strings build/ios/Release-iphoneos/Runner.app/Frameworks/App.framework/App ... get:_vxa@7048458x get:_aLa@9040228x get:_DLa@7048458x ...
ಡԽͷલޙͰൺֱ before get:_count@7048458 get:_onData@9040228 get:_isSubscribed@7048458 after get:_vxa@7048458x get:_aLa@9040228x get:_DLa@7048458x
Dartίʔυ͕ಡԽ͞Εͨ
...ϦϦʔεޙͷ͋Δ
None
SentryͷΤϥʔϨϙʔτ ಡԽ͞ΕͯΔ
ಡԽલͷΤϥʔϨϙʔτ
։ൃதؾ͔ͮͳ͔ͬͨ
ಡԽͷલޙͰൺֱ before main.dart in SampleApp.build at line 48 after SEd
in bZ.opa at line 48
ࣗಡΊͳ͍
ϦϦʔεࡁΞϓϦͷ Τϥʔݟ͍ͨ
mapϑΝΠϧΛग़ྗ͢Δ ઌ΄ͲͷυΩϡϝϯτʹ͋ͬͨઃఆ EXTRA_GEN_SNAPSHOT_OPTIONS=--obfuscate mapϑΝΠϧΛग़ྗ͢ΔઃఆΛՃ EXTRA_GEN_SNAPSHOT_OPTIONS=--obfuscate, ɹ --save-obfuscation-map=ios_dart_symbols_${FLUTTER_BUILD_NUMBER}.json
ग़ྗ͞ΕͨmapϑΝΠϧ $ cat ios_dart_symbols_5.json ... "_BuildJsonListener","_Gf", "CustomSymbolRenderer","cs", "devicePixelRatio","saa" ... ͜ΕΛࢀর͢ΕಡΊΔ
!
աڈʹϦϦʔεͨ͠ΞϓϦͷmapϑΝΠϧʁ ࢼͨ͠ͱ͜Ζɺ ੜݩͷίʔυ͕ಉ͡Ͱ͋Εmapಉ͡ʹͳͬͨ
·ͱΊ
·ͱΊ • FlutterͩͱiOSͰDartίʔυͷಡԽ࡞ۀ͕͋Δ • stringsίϚϯυͰνΣοΫ͢Δͷָ͕ • mapϑΝΠϧग़ྗ͓ͯ͘͠ͱSentryղಡʹ͑Δ # before main.dart
in SampleApp.build at line 48 # after SEd in bZ.opa at line 48
Έ͓εΠονɺੋඇ͝ར༻͍ͩ͘͞
Thanks