Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add noloman/Android-AI-skills --skill android-navigation-best-practicesgit clone --depth 1 https://github.com/noloman/Android-AI-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/noloman/android-ai-skills/android-navigation-best-practices)<a href="https://agentmods.dev/skills/noloman/android-ai-skills/android-navigation-best-practices"><img src="https://agentmods.dev/badge/skills/noloman/android-ai-skills/android-navigation-best-practices/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/noloman/android-ai-skills/android-navigation-best-practices"><img src="https://agentmods.dev/badge/skills/noloman/android-ai-skills/android-navigation-best-practices.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00000 | $0.00315 |
| Opus 5 | $0.00000 | $0.00158 |
| Sonnet 5 | $0.00000 | $0.00063 |
| Haiku 4.5 | $0.00000 | $0.00032 |
Grade A, and why
android-navigation-best-practices scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
name: android-navigation-best-practices description: Android navigation — type-safe routes, deep links, App Links, navigation patterns. user-invocable: true
Android Navigation Best Practices
Cross-cutting skill — always activates alongside the project-type-specific skill.
Hard Rules
- Use type-safe navigation (Navigation Compose routes as data classes/objects).
- Verify App Links with Digital Asset Links (assetlinks.json).
- Handle deep link fallbacks for users without the app installed.
- Never put heavy logic in navigation callbacks or destination lambdas.
- Use "standard" launch mode with Navigation — avoid singleTask/singleInstance unless justified.
- Validate all deep link parameters before processing.
- Use SavedStateHandle for navigation arguments that must survive process death.
- Support predictive back gesture (mandatory API 34+) — use OnBackPressedCallback, avoid intercepting system back.
Core Patterns
- Single-activity architecture with Navigation Compose.
- Nested navigation graphs per feature module.
- Feature modules expose route contracts (data class/object), not composables.
- Use conditional navigation (auth gates) at the NavHost level.
- Pass results between destinations via SavedStateHandle, not shared ViewModels.
- Test navigation with TestNavHostController.
- Use shared element transitions (Navigation 2.8+) for visual continuity.
References
- references/deep_links.md
- references/app_links.md
- references/navigation_patterns.md
- references/navigation_testing.md
- references/predictive_back.md
- references/transitions_animations.md
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 38 lines · 0 tokens per session scan A 3505b1878775
android-navigation-best-practices is a skill published in the GitHub repository noloman/Android-AI-skills (6 stars, last pushed 6mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 315 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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