A ready-to-publish Java Android app that counts steps in the background via the step-detector sensor, shows distance/speed/pace/calories in real time, tracks routes on Google Maps, and stores every session locally. It includes BMI calculation, 7‑day step and calorie charts (MPAndroidChart), a persistent history list, and a profile screen for name/weight/height/goal. Built with view binding, Room, Material components, and Google Play Services; minSdk 23, target/compile 36

• Foreground step counter service with start/stop and notification
• Live stats: distance (km), speed (km/h), pace, calories, goal progress
• GPS route tracking on Google Maps with polyline
• 7‑day charts: steps (bar), calories (line) via MPAndroidChart
• BMI calculator with category labels
• History screen storing all sessions in the room database
• Profile screen for name/weight/height/step goal (SharedPreferences)
• Boot receiver to resume step service after restart
• Modern gradient UI with cards and Material widgets
• Clean Java codebase with view binding enabled

Latest Android Studio with JDK 8+ and Android SDK API 26+ installed; project targets/compiles API 36 and minSdk 23
Physical Android device with step-detector sensor (emulator lacks sensor)
Google Maps API key and Location/Activity Recognition permissions at runtime

1) Unzip and open the `StepCounter` project in Android Studio.  
2) Add your Google Maps key in `app/src/main/res/values/strings.xml` as `google_maps_key` and mirror it in `AndroidManifest.xml` metadata.  
3) Ensure `settings.gradle`/root repos include `maven { url 'https://jitpack.io' }` (already present).  
4) Sync Gradle, then Build → Make Project.  
5) Run on a physical device, grant Activity Recognition + Fine Location, tap “Start Counter” to begin.