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claude-codedevelopment

Claude-skill-registry iOS Localization & Assets

Standards for String Catalogs, L10n, and Asset Management.

install
source · Clone the upstream repo
git clone https://github.com/majiayu000/claude-skill-registry
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/localization" ~/.claude/skills/majiayu000-claude-skill-registry-ios-localization-assets && rm -rf "$T"
manifest: skills/data/localization/SKILL.md
tags
#ios#localization#assets#xcassets#swift#l10n
source content

iOS Localization & Assets Standards

Priority: P1

Implementation Guidelines

Localization (L10n)

  • String Catalogs (.stringcatalog): Use for primary localization in Xcode 15+. It provides a visual editor and compile-time checks for missing translations.
  • Native Implementation: Use 
    String(localized: "key")
    or 
    LocalizedStringResource
    . Avoid manual 
    NSLocalizedString
    where possible.
  • Pluralization: Use String Catalogs' built-in pluralization support instead of complex code logic.
  • Formatting: Use 
    Formatted
    API for dates, numbers, and currencies to respect the user's locale.

Asset Management

  • Asset Catalogs (.xcassets): Keep assets organized. Use folders with "Provides Namespace" enabled for large projects.
  • SF Symbols: Use for standard icons to ensure consistency and accessibility.
  • Vector Assets: Use PDF or SVG and enable "Preserve Vector Data" for resolution independence.

Best Practices

  • Hardcoded Strings: Never use hardcoded strings in UI. Every user-facing string must be localized.
  • Base Bundle: Ensure 
    Base
    localization is complete before adding other languages.

Anti-Patterns

  • Manual String Formatting: 
    **No manual currency symbol concat**: Use NumberFormatter or .formatted(.currency).
  • Loose Asset Files: 
    **No loose png/jpg files in repo**: Always use Asset Catalogs.
  • Untranslated Keys: 
    **No placeholder strings**: Ensure 100% coverage in String Catalogs.

References