mobile-development

The saved excerpt is a snapshot from review. The external source remains the complete and most current version.

---
name: mobile-development
description: "Cross-platform and native mobile development. Frameworks: React Native, Flutter, Swift/SwiftUI, Kotlin/Jetpack Compose. Capabilities: mobile UI, offline-first architecture, push notifications, deep linking, biometrics, app store deployment. Actions: build, create, implement, optimize, test, deploy mobile apps. Keywords: iOS, Android, React Native, Flutter, Swift, Kotlin, mobile app, offline sync, push notification, deep link, biometric auth, App Store, Play Store, iOS HIG, Material Design, battery optimization, memory management, mobile performance. Use when: building mobile apps, implementing mobile-first UX, choosing native vs cross-platform, optimizing battery/memory/network, deploying to app stores, handling mobile-specific features."
license: MIT
version: 1.0.0
---

# Mobile Development Skill

Production-ready mobile development with modern frameworks, best practices, and mobile-first thinking patterns.

## When to Use

- Building mobile applications (iOS, Android, or cross-platform)
- Implementing mobile-first design and UX patterns
- Optimizing for mobile constraints (battery, memory, network, small screens)
- Making native vs cross-platform technology decisions
- Implementing offline-first architecture and data sync
- Following platform-specific guidelines (iOS HIG, Material Design)
- Optimizing mobile app performance and user experience
- Implementing mobile security and authentication
- Testing mobile applications (unit, integration, E2E)
- Deploying to App Store and Google Play

## Technology Selection Guide

**Cross-Platform Frameworks:**
- **React Native**: JavaScript expertise, web code sharing, mature ecosystem (121K stars, 67% familiarity)
- **Flutter**: Performance-critical apps, complex animations, fastest-growing (170K stars, 46% adoption)

**Native Development:**
- **iOS (Swift/SwiftUI)**: Maximum iOS performance, latest features, Apple ecosystem integration
- **Android (Kotlin/Jetpack Compose)**: Maximum Android performance, Material Design 3, platform optimization

See: `references/mobile-frameworks.md` for detailed framework comparisons

## Mobile Development Mindset

**The 10 Commandments of Mobile Development:**

1. **Performance is Foundation, Not Feature** - 70% abandon apps >3s load time
2. **Every Kilobyte, Every Millisecond Matters** - Mobile constraints are real
3. **Offline-First by Default** - Network is unreliable, design for it
4. **User Context > Developer Environment** - Think real-world usage scenarios
5. **Platform Awareness Without Platform Lock-In** - Respect platform conventions
6. **Iterate, Don't Perfect** - Ship, measure, improve cycle is survival
7. **Security and Accessibility by Design** - Not afterthoughts
8. **Test on Real Devices** - Simulators lie about performance
9. **Architecture Scales with Complexity** - Don't over-engineer simple apps
10. **Continuous Learning is Survival** - Mobile landscape evolves rapidly

See: `references/mobile-mindset.md` for thinking patterns and decision frameworks

## Reference Navigation

**Core Technologies:**
- `mobile-frameworks.md` - React Native, Flutter, Swift, Kotlin, framework comparison matrices, when to use each
- `mobile-ios.md` - Swift 6, SwiftUI, iOS architecture patterns, HIG, App Store requirements, platform capabilities
- `mobile-android.md` - Kotlin, Jetpack Compose, Material Design 3, Play Store, Android-specific features

**Best Practices & Development Mindset:**
- `mobile-best-practices.md` - Mobile-first design, performance optimization, offline-first architecture, security, testing, accessibility, deployment, analytics
- `mobile-debugging.md` - Debugging tools, performance profiling, crash analysis, network debugging, platform-specific debugging
- `mobile-mindset.md` - Thinking patterns, decision frameworks, platform-specific thinking, common pitfalls, debugging strategies

## Key Best Practices (2024-2025)

**Performance Targets:**
- App launch: <2 seconds (70% abandon if >3s)
-