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Ios Localization
ASecurityImplement String Catalogs, L10n workflows, and asset management for iOS. Use when adding multi-language support using iOS String Catalogs or L10n workflows.
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- Added June 6, 2026
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[](https://www.skillsdirectory.com/skills/hoangnguyen0403-ios-localization)---
name: ios-localization
description: Implement String Catalogs, L10n workflows, and asset management for iOS. Use when adding multi-language support using iOS String Catalogs or L10n workflows.
metadata:
triggers:
files:
- '**/*.stringcatalog'
- '**/*.xcassets'
- '**/*.strings'
keywords:
- LocalizedStringResource
- NSLocalizedString
- String(localized:)
---
# iOS Localization & Assets
## **Priority: P1**
## Implementation Workflow
1. **Use String Catalogs** — Adopt `.stringcatalog` files in Xcode 15+ for visual editing and compile-time missing translation checks.
2. **Prefer modern APIs** — Use `String(localized: "key")` or `LocalizedStringResource` instead of `NSLocalizedString`.
3. **Handle pluralization** — Use String Catalogs' built-in pluralization instead of custom code logic.
4. **Format with locale** — Use `Formatted` API for dates, numbers, and currencies to respect user locale.
5. **Organize assets** — Use `.xcassets` with "Provides Namespace" enabled. Prefer SF Symbols for standard icons.
6. **Complete Base localization** — Ensure `Base` complete before adding other languages.
See [localization and asset catalog examples](references/implementation.md)
## Anti-Patterns
- **No Manual Currency Formatting**: Use `NumberFormatter` or `.formatted(.currency)`
- **No Loose Asset Files**: Always use Asset Catalogs (`.xcassets`)
- **No Placeholder Strings**: Ensure 100% translation coverage before commit
## References
- [L10n & Asset Organization](references/implementation.md)Files in this skill
- SKILL.md
- evals/evals.json
- references/implementation.md
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