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feat(android): upload Dart symbols to Crashlytics for release builds - #1194
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Native crashes in libapp.so (Dart AOT code) were unsymbolicated in Crashlytics because Dart symbols were never uploaded (#1189, C2). With FIREBASE_CRASHLYTICS_ENABLED=true, `make flutter/android/apk` and `flutter/android/appbundle` now build with --split-debug-info (one folder per artifact) and upload the symbols with `firebase crashlytics:symbols:upload`. The upload script fails the build unless the CLI exits 0 and reports success, since the standalone binary can exit 0 on internal errors. The gate is evaluated lazily so it also works when set in firebase_options.env. The Android Docker image gets the pinned standalone Firebase CLI (v15.33.0, sha256-checked). The upload needs no Firebase login. CI also keeps a copy of the symbols in the build bucket for `flutter symbolize`.
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freedomtan
approved these changes
Nov 3, 2026
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Part of #1189: makes
libapp.socrashes (C2) readable in Crashlytics.When
FIREBASE_CRASHLYTICS_ENABLED=true, Android release builds now use--split-debug-infoand upload the Dart symbols withfirebase crashlytics:symbols:upload. If the upload fails, the build fails. Builds with the flag off are unchanged.flutter/tool/upload-dart-symbols.sh: does the upload. It needs onlyFIREBASE_ANDROID_APP_ID(no login).Tested in this PR's CI: APK and AAB symbols both uploaded.