> android-performance
Standards for Baseline Profiles, Startup Time, and UI Rendering. Use when optimizing app startup, jank, or UI rendering performance in Android. (triggers: **/*Benchmark.kt, **/*Initializer.kt, BaselineProfile, JankStats, recomposition)
curl "https://skillshub.wtf/HoangNguyen0403/agent-skills-standard/android-performance?format=md"Android Performance Standards
Priority: P1
Implementation Guidelines
Startup Time
- Baseline Profiles: Mandatory for all production apps to pre-compile critical paths (improves startup by 30-40%).
- Lazy Initialization: Defer heavy SDK init using
App Startupor lazy Singletons. Avoid blockingApplication.onCreate.
UI Performance
- Recomposition: Use "Layout Inspector" to find unnecessary recompositions.
- Images: Use Coil/Glide with proper caching and resizing (
.crossfade()). - Lists:
LazyColumnmust usekeyand stableitem classes.
Anti-Patterns
- Nested Weights:
**Avoid Nested Weights**: Use ConstraintLayout (Views) or simple Row/Col (Compose). - Memory Leaks:
**Watch Context**: Avoid leaking Activity Context in Singletons.
References
> related_skills --same-repo
> typescript-tooling
Development tools, linting, and build config for TypeScript. Use when configuring ESLint, Prettier, Jest, Vitest, tsconfig, or any TS build tooling. (triggers: tsconfig.json, .eslintrc.*, jest.config.*, package.json, eslint, prettier, jest, vitest, build, compile, lint)
> typescript-security
Secure coding practices for TypeScript. Use when validating input, handling auth tokens, sanitizing data, or managing secrets and sensitive configuration. (triggers: **/*.ts, **/*.tsx, validate, sanitize, xss, injection, auth, password, secret, token)
> typescript-language
Modern TypeScript standards for type safety and maintainability. Use when working with types, interfaces, generics, enums, unions, or tsconfig settings. (triggers: **/*.ts, **/*.tsx, tsconfig.json, type, interface, generic, enum, union, intersection, readonly, const, namespace)
> typescript-best-practices
Idiomatic TypeScript patterns for clean, maintainable code. Use when writing or refactoring TypeScript classes, functions, modules, or async logic. (triggers: **/*.ts, **/*.tsx, class, function, module, import, export, async, promise)