android-jetpack-compose

name	android-jetpack-compose
description	Standards for Declarative UI, State Hoisting, and Performance Use when this capability is needed.
metadata	{"author":"fierzone"}

Jetpack Compose Standards

Priority: P0

Implementation Guidelines

State Hoisting

• Pattern: Screen (Stateful) -> Content (Stateless).
• Events: Pass lambda callbacks down (onItemClick: (Id) -> Unit).
• Dependencies: NEVER pass ViewModel to stateless composables.

Performance

• Recomposition: Use @Stable / @Immutable on UI Models.
• Lists: Always use key in LazyColumn / LazyRow.
• Modifiers: Reuse Modifier instances or extract to variables if stable.

Theming (Material 3)

• Tokens: Use MaterialTheme.colorScheme and MaterialTheme.typography.
• Hardcoding: **No Hardcoded Colors**: Use Theme.

Anti-Patterns

• Side Effects: **No SideEffects in Composition**: Use LaunchedEffect.
• ViewModel pass-through: **No VM deep pass**: Hoist state.

References

• Patterns & Optimization

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