Localizing and Internationalizing Your App
So far, TapALap has been only in English. For a large app with a large customer base, you’ll want to support multiple languages. Think of every new language you support as an entirely new market of users. The process of supporting multiple languages is localization, commonly abbreviated L10n. Internationalization, or i18n for short, is the similar process of adapting your app for different locales and cultures, going beyond the written word.
To localize TapALap, first you need to tell Xcode that you intend to support another language. Open the project settings by clicking the top-level TapALap in Xcode’s Project Navigator (⌘1). Select TapALap under Project, and then select the Info ...