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Android Apprentice
Android Apprentice is a comprehensive learning resource designed for developers new to Android development
since Jun 16, 2026 · HTTP 200
CohortClass of 2026What it is
Android Apprentice is a comprehensive learning resource designed for developers new to Android development. The book guides learners through building four complete, functional Android applications from scratch using modern Kotlin programming. It provides hands-on experience with practical projects suitable for beginners entering the Android ecosystem.
HTTP liveness
8 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 9, 2026Redirected offsiteRedirected offsite
- Jul 4, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — redirectedRedirected offsite
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Pulse Indexobserved activity
232/4 signal families
Liveness40%0.40
Press30%no data
GitHub20%no data
Tranco10%0.74
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y