- Create Chinese, English, Japanese, Korean string resources
- Add LanguageManager for language management
- Add language selection dropdown in Settings
- Update all layouts to use string resources
- Support app restart prompt for language change
- Implement MapProvider interface with Google, Baidu, Gaode map providers
- Support satellite and normal map types for all providers
- Add coordinate conversion (WGS84 to BD09/GCJ02)
- Add tab-based map type and provider switching UI
- Add map settings with default provider and type configuration
- Add location button widget
- Add webview-based Baidu and Gaode map HTML assets