How we reduced startup time of Turo Android app
summary
Turo cuts app cold-start by 77% improvement by removing a 1s splash animation, replacing a separate splash activity with a single home activity using installSplashScreen API, and showing a home skeleton while feature‑flag fetches run in background (suspend until available). Startup diagnostics use StrictMode disk read detection. Other fixes: lazy-init SharedPreferences (separate small files), defer SDK inits, add baseline profiles and experiment with DEX layout startup profiles.
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chapters (9)
- 0:00Introduction and background
- 3:00Baseline startup process analysis
- 4:23Splash screen optimization
- 10:41Network requests optimization
- 16:45Disk I/O impact on startup
- 21:15Shared preferences and UI thread
- 29:20Baseline profiles for startup
- 33:14Third-party SDKs and lifecycle
- 35:39Final thoughts and takeaways
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