Travel Companion App This Android application is designed to help international travellers convert essential values quickly and easily. The app supports multiple conversion categories including currency, fuel efficiency, and temperature.

Features Currency conversion (USD, AUD, EUR, JPY, GBP) Fuel efficiency conversion (mpg ↔ km/L) Temperature conversion (Celsius, Fahrenheit, Kelvin) User-friendly interface Input validation and error handling

Technologies Used Android Studio Kotlin XML (UI Design)

How to Use Select the source unit Select the destination unit Enter the value Click the convert button View the result instantly

Conversion Rates Currency (Fixed Rates): 1 USD = 1.55 AUD 1 USD = 0.92 EUR 1 USD = 148.50 JPY 1 USD = 0.78 GBP Fuel Efficiency: 1 mpg = 0.425 km/L Temperature: F = (C × 1.8) + 32 C = (F − 32) / 1.8 K = C + 273.15

Validation Prevents empty inputs Handles invalid or non-numeric values Supports same-unit conversion (e.g., USD → USD)

How to Run Clone the repository Open in Android Studio Run on emulator or physical device

Author Pramodya Chalani Senadheera Student ID: 224685176