Android Quick Reference
Quick reference for Android developers: API levels, ADB commands, alpha hex values, dp/px, permissions, intents, Manifest, resource qualifiers, lifecycle, Gradle and official docs.
Features
- Android version ↔ API level
- Common ADB commands
- Permissions / Intents / Manifest config
- Resource qualifiers and lifecycle
- Official Android docs links
FAQ
What is the latest Android API level?
As of 2026, Android 17 (Cinnamon Bun) corresponds to API 37.
How to convert dp to px?
px = dp × density. For example, mdpi (1x): 1dp = 1px; xxhdpi (3x): 1dp = 3px.