Performance Monitoring- 0 to 60 in 40 Minutes
summary
Blueprint for getting from zero to useful performance monitoring: measure cold start under 5s (use force-stop or ADB to reproduce), track warm ~2s / hot <1s and P95 targets, and add per-screen milestones with a simple "go fast" tracker injected into fragments. Use libraries like Square's papa for launches and AndroidX jankstats for frames, send device RAM/SDK/network context to reports, and surface a small on-screen Compose timeline and stoplight indicator — those concrete visuals expose regressions and actually drive fixes.
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chapters (9)
- 0:00Introduction and setup
- 1:25Performance culture and definitions
- 6:06Starting performance monitoring
- 7:08App launch types and metrics
- 15:15Measuring screen loads
- 23:45Frame times and rendering
- 26:34Bottom-up and top-down analysis
- 32:49Dashboards and visualizations
- 35:16Turning data into action
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