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One roadmap, three tracks and ~800 lessons — now Compose-first for 2026, with testing and Play Store publishing built in. Check off each lesson as you go; your progress saves automatically in this browser. No sign-in, no cloud, just you and the finish line.
This roadmap takes you from your very first line of code to a real app published on the Play Store. It's laid out as one guided journey — a metro line that charges green as you check off each lesson, so you always know where you are and what's next. It carries three tracks because Android has been taught with three languages/toolkits over the years, and learners arrive with different goals. You don't take all three — pick the lane that matches your goal and follow it top to bottom.
Google's official Android language since 2019 and the industry default. Learn the language, then build real apps with modern architecture. This is the fastest route to a job.
Recommended for job-seekersThe default UI toolkit in 2026 — build screens in Kotlin, no XML — plus testing, publishing to Google Play and career prep. Compose is written in Kotlin, so take the Kotlin track first.
The modern 2026 layerThe classic Android language, kept in full for CS students, bootcampers, and anyone maintaining an existing Java codebase — but not required to get hired in 2026.
For legacy & fundamentalsTry a different search term or filter.