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Agent skill

Android Navigation 3 Guide

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Implements and migrates to Jetpack Navigation 3 in Compose: NavDisplay, typed route objects, a state-list back stack, deep links, multiple back stacks and dialog scenes.

MITAuto-check passedMobile

Install Android Navigation 3 Guide

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill android-navigation-3 -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard android-navigation-3 --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/android/android-navigation-3 .claude/skills/android-navigation-3 && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
android-navigation-3
GitHub stars
572
Token cost
~687 tokens
SKILL.md length
196 words
Files
4 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Implements and migrates to Jetpack Navigation 3 in Compose: NavDisplay, typed route objects, a state-list back stack, deep links, multiple back stacks and dialog scenes.

  • Works in 4 steps: Replace string routes with data… → Replace NavHost with NavDisplay. → Replace NavController.navigate() with… → …
  • Adding Jetpack Navigation 3 to a Compose app
  • SKILL.md covers Priority: P1 (HIGH), Core concepts, Basic usage and Migration from Navigation 2, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Navigation 3 replaces the NavHost and NavController pattern with a state-driven model, and this skill teaches that model. Routes are Kotlin data objects or classes rather than strings, the back stack is a plain mutableStateListOf, and NavDisplay renders the current route from a lambda. A short basic-usage example starts from a remembered back stack holding the home route.

For migration it lists the key changes: swap string routes for data objects, NavHost for NavDisplay, navigate calls for direct list changes, and navArgument for data class properties, with a step-by-step migration guide in the references folder. A recipes file covers arguments, bottom navigation with multiple back stacks, deep links with and without a synthetic back stack, dialogs and bottom sheets, auth flows, returning results between screens and modularized navigation with Hilt or Koin. A checklist ends with a successful ./gradlew build, and anti-patterns rule out string routes and NavController in new projects.

When your agent uses it

  • Adding Jetpack Navigation 3 to a Compose app
  • Migrating from NavHost and NavController to NavDisplay
  • Setting up bottom navigation with multiple back stacks
  • Handling deep links, dialogs or bottom sheets in Navigation 3

Example prompts

  • “Migrate our app from NavHost and NavController to Navigation 3 using the migration guide.”
  • “Add bottom navigation with a separate back stack per tab using NavDisplay.”
  • “Set up a deep link to the product screen with a synthetic back stack.”

Requirements

  • An Android project using Jetpack Compose
  • Gradle, to verify with ./gradlew build

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Replace string routes with data objects/classes.
  2. Replace NavHost with NavDisplay.
  3. Replace NavController.navigate() with direct list manipulation.
  4. Replace navArgument with data class properties.

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are kotlin).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Android Navigation 3 Guide loads about 687 tokens when it runs, and up to ~2.5k if it reads all its reference files. Until then it costs about 61 tokens; SKILL.md has 196 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~687
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 196 words, ~687 tokens.

Download SKILL.mdSave it as .claude/skills/android-navigation-3/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
android-navigation-3
description
Install and migrate to Jetpack Navigation 3. Use when implementing Navigation 3 patterns including NavDisplay, NavKey routes, deep links, multiple backstacks, scenes (dialogs, bottom sheets), or migrating from Navigation 2.

Jetpack Navigation 3

Priority: P1 (HIGH)

Guide for implementing and migrating to Navigation 3 in Jetpack Compose.

Core concepts

Navigation 3 replaces the previous NavHost/NavController pattern with a simpler, state-driven approach:

  • Routes are Kotlin data objects/classes (not strings).
  • Back stack is a plain mutableStateListOf<Any>.
  • NavDisplay renders the current route based on a lambda.

Basic usage

kotlin
val backStack = remember { mutableStateListOf<Any>(RouteHome) }

NavDisplay(
    backStack = backStack,
    onBack = { backStack.removeLastOrNull() },
    entryProvider = { key ->
        when (key) {
            is RouteHome -> NavEntry(key) { HomeScreen(onNavigate = { backStack.add(it) }) }
            is RouteDetail -> NavEntry(key) { DetailScreen(key.id) }
            else -> error("Unknown route: $key")
        }
    }
)

Migration from Navigation 2

See migration guide for step-by-step conversion from NavHost/NavController to NavDisplay.

Key changes:

  1. Replace string routes with data objects/classes.
  2. Replace NavHost with NavDisplay.
  3. Replace NavController.navigate() with direct list manipulation.
  4. Replace navArgument with data class properties.

Common patterns

See recipes for code examples:

  • Basic navigation with arguments
  • Bottom navigation with multiple backstacks
  • Deep links (basic and with synthetic backstack)
  • Dialogs and bottom sheets
  • Conditional navigation (auth flows)
  • Returning results between screens
  • Modularized navigation with Hilt or Koin

Verification

  • Routes are data objects/classes, no string-based routing.
  • Back stack is a mutableStateListOf<Any>.
  • NavDisplay handles all routes in entryProvider.
  • ./gradlew build succeeds.

Anti-Patterns

  • No string-based routes: Use Kotlin data objects/classes for type safety.
  • No NavController for new projects: Use NavDisplay with a state list.
  • No remember { navController() }: Navigation 3 doesn't use NavController.

References

© HoangNguyen0403, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files (references) in skills/android/android-navigation-3 of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/migration-guide.md
  • references/recipes.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Android Navigation 3 Guide next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Android Navigation 3 Guide compared with similar skills
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Android Navigation 3 Guide this skillHoangNguyen0403/agent-skills-standard572—~687Automated safety check: PassMIT
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Android Developmentdpconde/claude-android-skill336—~1.7kAutomated safety check: PassMIT
Claude Android NinjaDrjacky/claude-android-ninja124—~5.2kAutomated safety check: PassApache-2.0
Jetpack Composedarriousliu/PiPixiv263—~1.5kAutomated safety check: PassApache-2.0
Coding Stylesk2andy/candy-browser532—~548Automated safety check: PassMPL-2.0

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Works with

Categories

Questions about Android Navigation 3 Guide

What does Android Navigation 3 Guide do?

Implements and migrates to Jetpack Navigation 3 in Compose: NavDisplay, typed route objects, a state-list back stack, deep links, multiple back stacks and dialog scenes. Navigation 3 replaces the NavHost and NavController pattern with a state-driven model, and this skill teaches that model. Routes are Kotlin data objects or classes rather than strings, the back stack is a plain mutableStateListOf, and NavDisplay renders the current route from a lambda.

When should I use Android Navigation 3 Guide?

Android Navigation 3 Guide fits situations like: adding Jetpack Navigation 3 to a Compose app; migrating from NavHost and NavController to NavDisplay; setting up bottom navigation with multiple back stacks; handling deep links, dialogs or bottom sheets in Navigation 3.

How do I install Android Navigation 3 Guide in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill android-navigation-3 -a claude-code`. Or copy the skill folder (skills/android/android-navigation-3 in HoangNguyen0403/agent-skills-standard) into .claude/skills/android-navigation-3 in your project. Claude Code loads it when a task matches its description.

How do I install Android Navigation 3 Guide in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill android-navigation-3 -a codex`. Or copy the skill folder (skills/android/android-navigation-3 in HoangNguyen0403/agent-skills-standard) into .agents/skills/android-navigation-3 in your project. Codex loads it when a task matches its description.

Can I use Android Navigation 3 Guide in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add HoangNguyen0403/agent-skills-standard --skill android-navigation-3 -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/android-navigation-3, .gemini/skills/android-navigation-3, .github/skills/android-navigation-3 and .opencode/skills/android-navigation-3 in your project.

What does Android Navigation 3 Guide need to run?

SKILL.md names no scripts, command-line tools or credentials: Android Navigation 3 Guide is instructions for the agent only. Our summary lists: An Android project using Jetpack Compose; Gradle, to verify with ./gradlew build.

Does Android Navigation 3 Guide access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Android Navigation 3 Guide safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Android Navigation 3 Guide use?

Android Navigation 3 Guide is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Android Navigation 3 Guide use?

About 687 tokens (SKILL.md is roughly 2.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.8k tokens, read only when the agent opens those files.

What are the alternatives to Android Navigation 3 Guide?

Skills that share tags, products or a category with Android Navigation 3 Guide: Compose Multiplatform Patterns (monta-app/ocpp-emulator, 180 stars), Android Development (dpconde/claude-android-skill, 336 stars), Claude Android Ninja (Drjacky/claude-android-ninja, 124 stars) and Jetpack Compose (darriousliu/PiPixiv, 263 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Android Navigation 3 Guide?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.