/android-legacy-state

Integrate ViewModel state with XML Views using Coroutines and Lifecycle on Android. Use when managing state with repeatOnLifecycle or lifecycle-aware coroutines in Fragment/Activity; defer Compose state and generic Flow design to their specific skills.

hoangnguyen0403@hoangnguyen0403

GitHub

From plugin

agent-skills-standard

538200 skills1 MCP

Install

$ npx -y skills add hoangnguyen0403/agent-skills-standard --skill android-legacy-state --agent claude-code

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How this skill gets triggered: by you, by Claude, or both.

Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.
You can call itInvoke it directly when you want it.
Slash command/android-legacy-state

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Integrate ViewModel state with XML Views using Coroutines and Lifecycle on Android. Use when managing state with repeatOnLifecycle or lifecycle-aware coroutines in Fragment/Activity; defer Compose state and generic Flow design to their specific skills.

SKILL.md

android-legacy-state.SKILL.md

name: android-legacy-state
description: Integrate ViewModel state with XML Views using Coroutines and Lifecycle on Android. Use when managing state with repeatOnLifecycle or lifecycle-aware coroutines in Fragment/Activity; defer Compose state and generic Flow design to their specific skills.
metadata:
  triggers:
    files:
    - '**/*Fragment.kt'
    - '**/*Activity.kt'
    keywords:
    - repeatOnLifecycle
    - launchWhenStarted

Android Legacy State Standards

Priority: P1 (HIGH)

Implementation Guidelines

Flow Consumption

**Rule**: ALWAYS use `repeatOnLifecycle(Lifecycle.State.STARTED)` to collect flows in Views.
**Why**: Prevents crashes (collecting while view destroyed) and saves resources (stops collecting in background).

LiveData vs Flow

**New Code**: Use `StateFlow` exclusively.
**Legacy**: If using LiveData, observe with `viewLifecycleOwner` (Fragment), NOT `this`.

Anti-Patterns

**No launchWhenStarted/Resumed**: Deprecated. Use repeatOnLifecycle instead.
**No observe(this) in Fragments**: Use viewLifecycleOwner to prevent lifecycle leaks.