Core

Skill launch52-ai/flutter-template/.claude/skills/core

Template for Flutter mobile applications.

Install

npx -y skills add launch52-ai/flutter-template --skill core

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What its author says it does

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Generate core infrastructure for Flutter apps. Creates theme system (AppColors, AppTheme), router (GoRouter), services (SecureStorage, SharedPrefs, Supabase), error handling (Failures), and providers. Run after /init, before /auth.

SKILL.md

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Core - Infrastructure Generation

Generates the core infrastructure that all features depend on.

When to Use This Skill

After /init completes
Before adding any features or /auth
Setting up app-wide infrastructure
User asks to "generate core", "create infrastructure", or "setup theme/router"

What This Skill Creates

lib/app.dart - Root app widget with MaterialApp.router
lib/core/theme/ - AppColors, AppTypography, AppTheme
lib/core/router/ - GoRouter configuration
lib/core/services/ - SecureStorage, SharedPrefs, Supabase, iOS network permission
lib/core/errors/ - Typed failures and exceptions
lib/core/constants/ - App constants, legal URLs, storage keys, debug flags
lib/core/network/ - Dio client (if custom API)
lib/core/navigation/ - StatefulShellRoute (if bottom nav)
lib/core/providers.dart - Core Riverpod providers

Workflow

Phase 1: Gather Requirements

Use AskUserQuestion to confirm settings from /init:

Primary Color (hex, from /init or ask)
Theme Mode (light/dark/both)
Use Supabase? (from /init)
Use Custom API? (from /init)
Bottom Navigation? (yes/no - determines shell creation)
Privacy Policy URL? (can be placeholder, required before release)
Terms of Service URL? (can be placeholder, required before release)

Phase 2: Create Directory Structure

mkdir -p lib/core/{constants,errors,network,router,navigation,services,theme,utils,widgets}
mkdir -p lib/features

Phase 3: Generate Files

Copy from reference/ directories and customize:

Category	Files	Notes
`theme/`	app_colors, app_typography, app_theme	Customize primary color
`services/`	secure_storage, shared_prefs, ios_network_permission	Always
`services/`	supabase_service	If Supabase = yes
`network/`	dio_client	If Custom API = yes
`router/`	app_router	Customize routes
`navigation/`	main_shell	If bottom nav = yes
`errors/`	failures, exceptions	Always
`constants/`	app_constants, legal_constants, storage_keys, debug_constants	Always
`utils/`	legal_utils	Always
root	providers.dart	Customize based on services

Note: ios_network_permission_service.dart triggers the iOS permission dialog early to prevent first API call failures.

Phase 10: Generate App Widget

Copy reference/app.dart and customize with theme/router.

Phase 11: Update main.dart

Replace placeholder with actual App():

import 'app.dart';

runApp(const ProviderScope(child: App()));

Phase 12: Verify

dart run build_runner build --delete-conflicting-outputs
flutter analyze

Reference Files

Directory	Content
`reference/theme/`	AppColors, AppTypography, AppTheme
`reference/router/`	GoRouter setup
`reference/navigation/`	StatefulShellRoute scaffold
`reference/services/`	Storage, Supabase, iOS permission services
`reference/network/`	Dio client with interceptors
`reference/errors/`	Failure types, exceptions
`reference/constants/`	App constants, legal URLs, storage keys, debug flags
`reference/utils/`	Legal URL utilities
`reference/`	app.dart, providers.dart

Guides

This skill is code-heavy with all templates in reference/. No separate guides needed.

Related guidance from other skills:

Topic	See
Architecture patterns	`.claude/skills/plan/architecture.md`
Color usage (contrast, dark mode)	`/design` → `visual-guide.md`
Typography sizes & hierarchy	`/design` → `visual-guide.md`
Color contrast requirements	`/a11y` → `semantics-guide.md`
Text scaling accessibility	`/a11y` → `testing-guide.md`

Quick Reference

AppColors.primary; AppTheme.light(); // Theme
context.go('/dashboard'); context.push('/profile'); // Router
ref.watch(secureStorageProvider).write('key', 'value'); // Secure storage
ref.watch(sharedPrefsProvider).setBool('onboarded', true); // Shared prefs
triggerIOSNetworkPermission(); // iOS permission (call in main.dart)

Next Steps

After /core:

/auth - Add authentication feature
/feature-init dashboard - Initialize dashboard scaffold
/i18n - Add localization

Checklist

Related Skills

/init - Run before core (project setup)
/auth - Run after core (authentication)
/feature-init - Initialize feature scaffolds after core
/design - UI patterns reference