Step Counter – Pedometer, GPS Route, BMI Charts (Android)

Step Counter is a ready-to-publish Android pedometer application that tracks steps in the background using the device’s step detector sensor. The app provides real-time statistics including distance, speed, pace, and calories burned while also allowing users to track routes on a map.

It also includes a BMI calculator, 7-day statistics charts, session history storage, and a user profile system with goal management. Built with modern Android development practices using Java, Room database, Material components, and Google Play Services.

Short Description

Android 5.0+ pedometer with foreground service, live stats, GPS route tracking, BMI calculator, 7-day charts, history storage using Room database, and profile/goal management.

App Features

• Foreground step counter service with start/stop control and persistent notification
• Real-time statistics: distance (km), speed (km/h), pace, calories burned, and goal progress
• GPS route tracking displayed on Google Maps with polyline path
• 7-day statistics charts (steps bar chart and calories line chart) using MPAndroidChart
• BMI calculator with automatic health category labels
• History screen storing all activity sessions using Room database
• Profile screen for name, weight, height, and daily step goal
• Boot receiver to automatically resume step service after device restart
• Modern gradient user interface using Material components and card layouts
• Clean Java codebase with View Binding enabled

Technical Details

• Language: Java
• Minimum SDK: Android 5.0 (API 21)
• Target SDK: API 36
• Architecture: View Binding + Room Database
• Charts Library: MPAndroidChart
• Maps Integration: Google Maps API
• Google Play Services for location and activity recognition

Requirements

• Latest Android Studio with JDK 8 or higher
• Android SDK API 26+ installed
• Physical Android device with a step-detector sensor (emulator does not support it)
• Google Maps API Key
• Runtime permissions for Location and Activity Recognition