Documentation: 🌍 Add More Languages & Expand Translation Coverage

[arn-c0de]

Goal

Extend the app's multilanguage support beyond English and German. Add new languages and complete translation coverage for all screens and features.

Current State

full translation

• ✅ English — full coverage (default)

Wanted Languages

Priority languages:

• Spanish (values-es) Thanks! https://github.com/Ferinjoque
• Chinese Simplified (values-zh-rCN) Thanks! https://github.com/Dawn3901
• French (values-fr)
• Portuguese (values-pt)
• Russian (values-ru)
• Japanese (values-ja)
• Arabic (values-ar)
• Hindi (values-hi)
• Korean (values-ko)
• Italian (values-it)
• Turkish (values-tr)
• Dutch (values-nl)
• Polish (values-pl)
• Indonesian (values-in)
• Vietnamese (values-vi)
• Thai (values-th)
• Ukrainian (values-uk)
• Chinese Traditional (values-zh-rTW)
• Czech (values-cs)
• Greek (values-el)
• Swedish (values-sv)
• Norwegian (values-no)
• Danish (values-da)
• Finnish (values-fi)

Other languages welcome!

Tasks

Translation Work

• Complete existing translations (100% coverage)
• Create string resource files for new languages
• Translate all UI strings, error messages, and tooltips
• Review translations for aviation/technical terminology accuracy

Code Improvements

• Audit codebase for hardcoded strings → move to strings.xml
• Add new language to selection in SettingsMenu.kt

Documentation (example /docs/EN/ )

• Create translation guide for contributors
• Document aviation-specific terms that need consistent translation

How to Contribute

1. Pick a language you're fluent in
2. Copy res/values/strings.xml to res/values-XX/strings.xml
3. Translate all strings (keep the name attributes unchanged)
4. Submit a PR with your translations
5. Native speakers welcome for review!

String File Location

app/src/main/res/
├── values/
│   └── strings.xml          # English (default)
├── values-de/
│   └── strings.xml          # German
├── values-fr/
│   └── strings.xml          # French (to be added)
└── ...

Notes

• Keep translations concise (UI space is limited on mobile)
• Aviation terms should match standard terminology in each language
• When unsure, add a comment in the PR for discussion

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[Ferinjoque]

Hola! I've just submitted a PR for Spanish support 🇪🇸.

It includes full coverage for all UI strings and aviation terms (checked against standard terminology).
PR: #15

[arn-c0de]

Hola! Thank you very much for your PR. The Spanish support looks complete and well implemented, with all UI strings and aviation terms correctly covered. Much appreciated!