LRTApp - Light Rail Transit Widget

Android Home Screen Widget for MTR Light Rail (輕鐵) real-time arrivals.

Features

• Real-time arrivals - Shows next train times for Light Rail stations
• Weather display - Current temperature and weather warnings
• Multiple routes - Supports 610, 507, 614, 615, 706, 751 and more
• Auto-refresh - Updates every few minutes automatically

Station Support

Default station: Auto Detect by GPS

Supports all MTR Light Rail stations via official HKGov API.

Tech Stack

• Language: Java
• Build: Gradle
• API: MTR Light Rail API via HKGov data.gov.hk
• Weather: Hong Kong Observatory API

API Used

Light Rail schedule API:

https://rt.data.gov.hk/v1/transport/mtr/lrt/getSchedule?station_id=

Build

./gradlew assembleDebug

APK will be in app/build/outputs/apk/debug/

Permissions

• INTERNET - For API calls
• ACCESS_NETWORK_STATE - Check connectivity
• RECEIVE_BOOT_COMPLETED - Auto-start after reboot
• SCHEDULE_EXACT_ALARM - Precise widget updates

Author

Wilson Fung