Mohamed-bouri/adhan

adhan app for Oued ZEM, Morocco devloped for blackberry torch 9800 # BlackBerry OS Adhan Application An open-source, lightweight Islamic Prayer Times (Adhan) application built natively for legacy **BlackBerry OS** devices (BlackBerry OS 5.0 / 6.0 / 7.0). Developed by **Mohamed BOURI**. --- ## Features * **Native BlackBerry UI:** Built using native RIM BlackBerry UI primitives (`UiApplication`, `MainScreen`, custom `Manager`). * **RTL & Custom Alignment:** Clean Arabic UI support with right-to-left layout alignment for prayer names and times. * **Astronomical Prayer Calculations:** Accurate astronomical calculation of Fajr, Sunrise, Dhuhr, Asr, Maghrib, and Isha without needing an internet connection. * **Background Timer & Notifications:** Runs in the background, updates the UI dynamically, and plays the Adhan audio when prayer time arrives. * **Audio Playback:** Built-in player (`AdhanPlayer`) utilizing JSR-135 Mobile Media API (`MMAPI`). --- ## Project Structure ``` net.mbeffects.adhan ├── AdhanApp.java # Main Application Entry Point (UiApplication) ├── AdhanMainScreen.java # Primary User Interface & Custom RTL Layout ├── PrayerCalculator.java # Mathematical & Astronomical Calculation Engine ├── TimerService.java # Background Daemon Thread for updating UI & alerts └── AdhanPlayer.java # Audio Engine for playing adhan.mp3 ``` --- ## How to Modify Prayer Calculations (`PrayerCalculator.java`) The core calculation logic is isolated inside `PrayerCalculator.java`. You can easily adapt this application to **any city or country** by modifying the constants at the top of the class. ### 1. Location & Timezone Parameters To change the target city, update the location parameters: ```java private static final double LAT = 32.85; // Latitude (e.g., 32.85 for Oued Zem) private static final double LNG = -6.58; // Longitude (e.g., -6.58 for Oued Zem) private static final double ALTITUDE = 765.0; // Altitude in meters above sea level private static final double TIMEZONE …