Skillshub android-state

Standards for ViewModel, StateFlow, and UI State Patterns. Use whenever someone works with ViewModel files, asks about UiState sealed classes, MutableStateFlow vs LiveData, collectAsStateWithLifecycle, viewModelScope, or exposing state from Android ViewModels — even indirectly. (triggers: **/*ViewModel.kt, **/*UiState.kt, viewmodel, stateflow, livedata, uistate, MutableStateFlow, collectAsState, viewModelScope, UiState)

install
source · Clone the upstream repo
git clone https://github.com/ComeOnOliver/skillshub
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/ComeOnOliver/skillshub "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/HoangNguyen0403/agent-skills-standard/android-state" ~/.claude/skills/comeonoliver-skillshub-android-state && rm -rf "$T"
manifest: skills/HoangNguyen0403/agent-skills-standard/android-state/SKILL.md
source content

Android State Management

Priority: P0

Implementation Guidelines

ViewModel Pattern

  • Exposure: Expose ONE
    StateFlow<UiState>
    via
    .asStateFlow()
    .
  • Scope: Use
    viewModelScope
    for all coroutines.
  • Initialization: Trigger initial load in
    init
    or
    LaunchedEffect
    (once).

UI State (LCE)

  • Type: sealed interface
    UiState
    (Loading, Content, Error).
  • Immutability: Data classes inside should be
    @Immutable
    .

Flow Lifecycle

  • Collection: Use
    collectAsStateWithLifecycle()
    in Compose.
  • Hot Flows: Use
    SharingStarted.WhileSubscribed(5000)
    for shared resources.

Anti-Patterns

  • No LiveData for New Code: Use StateFlow — lifecycle-safe and Compose-compatible.
  • No Public MutableStateFlow: Expose only
    .asStateFlow()
    to consumers.
  • No Context in ViewModel: Leaks Activity. Use Application context if truly needed.

References