Claude Android Ninja

Android Agent Skill

   

This repository is an **Agent Skill** package for Android development with Kotlin and Jetpack Compose. It provides a structured set of instructions, templates, and references that help agents build production-quality Android apps consistently and efficiently.

Learn more about the Agent Skills format here: [agentskills.io](https://agentskills.io/home)

Browse this skill on [SkillsMP](https://skillsmp.com/skills/drjacky-claude-android-ninja-skill-md)

What This Skill Covers

• Modular Android architecture (feature-first, core modules, strict dependencies)
• Domain/Data/UI layering patterns with auth-focused examples
• Jetpack Compose patterns, state management, animation, side effects, modifiers, and adaptive UI (NavigationSuiteScaffold, ListDetailPaneScaffold, SupportingPaneScaffold)
• Edge-to-edge display and predictive back gesture handling
• Material 3 theming (dynamic colors, typography, shapes, 8dp spacing tokens, app-category style fit, reserved resource names, dark/light mode)
• Navigation3 guidance (stable catalog pin, deep-link routing, SavedState Compose with NavKey), adaptive navigation, and large-screen quality tiers (phones, tablets, foldables, input expectations)
• Accessibility support (TalkBack, semantic properties, label copy, live regions, Espresso accessibility checks, WCAG alignment)
• Internationalization & localization (i18n/l10n, RTL support, plurals)
• Notifications (channels, styles, actions, foreground services, progress-centric, media/audio focus, PiP, system sharesheet, Navigation3 state from taps)
• Background media playback hardening at target SDK 37 (Media3 MediaSessionService for audio and vid