[ANR] Defer some class availability checks#4825
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stefanosiano merged 5 commits intomainfrom Oct 28, 2025
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lazy checking available classes in: * ActivityFramesTracker * AndroidViewGestureTargetLocator * UserInteractionIntegration
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Performance metrics 🚀
|
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| b3d8889 | 420.46 ms | 453.71 ms | 33.26 ms |
| ee747ae | 386.94 ms | 431.43 ms | 44.49 ms |
| ee747ae | 400.46 ms | 423.61 ms | 23.15 ms |
| 9fbb112 | 361.43 ms | 427.57 ms | 66.14 ms |
| cf708bd | 408.35 ms | 458.98 ms | 50.63 ms |
| ee747ae | 396.82 ms | 441.67 ms | 44.86 ms |
| cf708bd | 434.73 ms | 502.96 ms | 68.22 ms |
| bdbe1f4 | 380.66 ms | 464.44 ms | 83.78 ms |
| 806307f | 357.85 ms | 424.64 ms | 66.79 ms |
| f634d01 | 375.06 ms | 420.04 ms | 44.98 ms |
App size
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| b3d8889 | 1.58 MiB | 2.10 MiB | 535.07 KiB |
| ee747ae | 1.58 MiB | 2.10 MiB | 530.95 KiB |
| ee747ae | 1.58 MiB | 2.10 MiB | 530.95 KiB |
| 9fbb112 | 1.58 MiB | 2.11 MiB | 539.18 KiB |
| cf708bd | 1.58 MiB | 2.11 MiB | 539.71 KiB |
| ee747ae | 1.58 MiB | 2.10 MiB | 530.95 KiB |
| cf708bd | 1.58 MiB | 2.11 MiB | 539.71 KiB |
| bdbe1f4 | 1.58 MiB | 2.11 MiB | 538.88 KiB |
| 806307f | 1.58 MiB | 2.10 MiB | 533.42 KiB |
| f634d01 | 1.58 MiB | 2.10 MiB | 533.40 KiB |
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|
Performance gains in release builds for |
stefanosiano
requested review from
adinauer,
lcian,
markushi and
romtsn
as code owners
romtsn
reviewed
Oct 28, 2025
romtsn
reviewed
Oct 28, 2025
sentry-android-core/src/main/java/io/sentry/android/core/UserInteractionIntegration.java
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romtsn
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Oct 28, 2025
# Conflicts: # CHANGELOG.md
…er() in the main thread anyway
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📜 Description
added lazy class available check to LoadClass
lazy checking available classes in:
💡 Motivation and Context
Checking if a class exists uses reflection, which can be slow especially during app startup. Deferring some calls, we can improve SDK init time
💚 How did you test it?
📝 Checklist
sendDefaultPIIis enabled.🔮 Next steps