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feat: Add native Android driver tracking app and real-time backend/frontend bus tracking system

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This commit is contained in:
Shanmuga Krishnan S M
2026-07-24 21:22:37 +05:30
parent 8e87bd72cd
commit 85b128bef5
71 changed files with 206796 additions and 1368 deletions
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9
rit-driver-app/app/src/main/java/com/rit/driver/Config.java Normal file
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package com.rit.driver;
public class Config {
// Replace this with your VPS public IP address or production domain name
public static final String BACKEND_URL = "http://15.206.182.201:8085";
// Default driver security PIN
public static final String DEFAULT_PIN = "RITDRIVER";
}

202
rit-driver-app/app/src/main/java/com/rit/driver/MainActivity.java Normal file
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package com.rit.driver;
import android.Manifest;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private static final int PERMISSION_REQUEST_CODE = 888;
private EditText etRouteNumber;
private EditText etDriverPin;
private Button btnStartSharing;
private Button btnStopSharing;
private TextView tvStatusHeader;
private TextView tvStatusLogs;
private LinearLayout statusCard;
private boolean isServiceRunning = false;
// Receive tracking updates from Foreground Service
private final BroadcastReceiver locationReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent != null) {
if (intent.hasExtra(TrackingService.EXTRA_STATUS)) {
String status = intent.getStringExtra(TrackingService.EXTRA_STATUS);
tvStatusHeader.setText("STATUS: " + (isServiceRunning ? "ACTIVE" : "INACTIVE"));
logStatus(status);
}
if (intent.hasExtra(TrackingService.EXTRA_LATITUDE) && intent.hasExtra(TrackingService.EXTRA_LONGITUDE)) {
double lat = intent.getDoubleExtra(TrackingService.EXTRA_LATITUDE, 0.0);
double lng = intent.getDoubleExtra(TrackingService.EXTRA_LONGITUDE, 0.0);
float accuracy = intent.getFloatExtra(TrackingService.EXTRA_ACCURACY, 0.0f);
String gpsInfo = String.format("GPS Coords: %.6f, %.6f\nAccuracy: ±%.1fm", lat, lng, accuracy);
logStatus(gpsInfo);
}
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Bind Views
etRouteNumber = findViewById(R.id.etRouteNumber);
etDriverPin = findViewById(R.id.etDriverPin);
etDriverPin.setText(Config.DEFAULT_PIN);
btnStartSharing = findViewById(R.id.btnStartSharing);
btnStopSharing = findViewById(R.id.btnStopSharing);
tvStatusHeader = findViewById(R.id.tvStatusHeader);
tvStatusLogs = findViewById(R.id.tvStatusLogs);
statusCard = findViewById(R.id.statusCard);
btnStartSharing.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (checkAndRequestPermissions()) {
startTracking();
}
}
});
btnStopSharing.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
stopTracking();
}
});
}
@Override
protected void onResume() {
super.onResume();
// Register receiver for service communication
IntentFilter filter = new IntentFilter(TrackingService.ACTION_LOCATION_BROADCAST);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
registerReceiver(locationReceiver, filter, Context.RECEIVER_NOT_EXPORTED);
} else {
registerReceiver(locationReceiver, filter);
}
}
@Override
protected void onPause() {
// Unregister receiver
unregisterReceiver(locationReceiver);
super.onPause();
}
private void startTracking() {
String serverUrl = Config.BACKEND_URL;
String routeNumber = etRouteNumber.getText().toString().trim();
String driverPin = etDriverPin.getText().toString().trim();
if (routeNumber.isEmpty()) {
Toast.makeText(this, "Enter bus route number", Toast.LENGTH_SHORT).show();
return;
}
if (driverPin.isEmpty()) {
Toast.makeText(this, "Enter security driver PIN", Toast.LENGTH_SHORT).show();
return;
}
Intent serviceIntent = new Intent(this, TrackingService.class);
serviceIntent.putExtra("server_url", serverUrl);
serviceIntent.putExtra("route_number", routeNumber);
serviceIntent.putExtra("driver_pin", driverPin);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
startForegroundService(serviceIntent);
} else {
startService(serviceIntent);
}
isServiceRunning = true;
btnStartSharing.setVisibility(View.GONE);
btnStopSharing.setVisibility(View.VISIBLE);
tvStatusHeader.setText("STATUS: ACTIVE");
logStatus("Foreground tracking service started.");
}
private void stopTracking() {
Intent serviceIntent = new Intent(this, TrackingService.class);
stopService(serviceIntent);
isServiceRunning = false;
btnStartSharing.setVisibility(View.VISIBLE);
btnStopSharing.setVisibility(View.GONE);
tvStatusHeader.setText("STATUS: INACTIVE");
logStatus("Tracking stopped by driver.");
}
private void logStatus(String msg) {
String currentText = tvStatusLogs.getText().toString();
tvStatusLogs.setText(msg + "\n\n" + currentText);
}
private boolean checkAndRequestPermissions() {
boolean hasFine = ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
boolean hasCoarse = ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED;
List<String> listPermissionsNeeded = new ArrayList<>();
if (!hasFine && !hasCoarse) {
listPermissionsNeeded.add(Manifest.permission.ACCESS_FINE_LOCATION);
listPermissionsNeeded.add(Manifest.permission.ACCESS_COARSE_LOCATION);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
listPermissionsNeeded.add(Manifest.permission.POST_NOTIFICATIONS);
}
}
if (!listPermissionsNeeded.isEmpty()) {
ActivityCompat.requestPermissions(
this,
listPermissionsNeeded.toArray(new String[0]),
PERMISSION_REQUEST_CODE
);
return false;
}
return true;
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == PERMISSION_REQUEST_CODE) {
boolean hasFine = ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
boolean hasCoarse = ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED;
if (hasFine || hasCoarse) {
startTracking();
} else {
Toast.makeText(this, "Location permission (Precise or Approximate) is required to track the bus.", Toast.LENGTH_LONG).show();
}
}
}
}

77
rit-driver-app/app/src/main/java/com/rit/driver/NetworkHelper.java Normal file
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package com.rit.driver;
import android.util.Log;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
public class NetworkHelper {
private static final String TAG = "NetworkHelper";
public interface Callback {
void onSuccess();
void onFailure(String error);
}
public static void postLocation(final String serverUrl, final String routeNumber, final double lat, final double lng, final String pin, final Callback callback) {
new Thread(new Runnable() {
@Override
public void run() {
HttpURLConnection conn = null;
try {
// Clean URL trailing slash and route mapping
String cleanUrl = serverUrl;
if (cleanUrl.endsWith("/")) {
cleanUrl = cleanUrl.substring(0, cleanUrl.length() - 1);
}
String targetUrl = cleanUrl + "/api/bus-locations/" + routeNumber;
URL url = new URL(targetUrl);
conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
conn.setDoOutput(true);
conn.setConnectTimeout(8000);
conn.setReadTimeout(8000);
// Build JSON string payload
String jsonInputString = String.format(
"{\"latitude\": %f, \"longitude\": %f, \"pin\": \"%s\"}",
lat, lng, pin
);
try (OutputStream os = conn.getOutputStream()) {
byte[] input = jsonInputString.getBytes(StandardCharsets.UTF_8);
os.write(input, 0, input.length);
}
int code = conn.getResponseCode();
if (code == 200 || code == 201) {
Log.d(TAG, "Location uploaded successfully: " + code);
if (callback != null) {
callback.onSuccess();
}
} else {
String errMsg = "HTTP error code " + code;
Log.w(TAG, errMsg);
if (callback != null) {
callback.onFailure(errMsg);
}
}
} catch (Exception e) {
String errMsg = "Upload failed: " + e.getMessage();
Log.e(TAG, errMsg, e);
if (callback != null) {
callback.onFailure(errMsg);
}
} finally {
if (conn != null) {
conn.disconnect();
}
}
}
}).start();
}
}

194
rit-driver-app/app/src/main/java/com/rit/driver/TrackingService.java Normal file
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package com.rit.driver;
import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.os.IBinder;
import android.os.PowerManager;
import android.util.Log;
import androidx.annotation.Nullable;
import androidx.core.app.NotificationCompat;
public class TrackingService extends Service {
private static final String TAG = "TrackingService";
private static final String CHANNEL_ID = "TrackingServiceChannel";
private static final int NOTIFICATION_ID = 444;
private LocationManager locationManager;
private PowerManager.WakeLock wakeLock;
private String serverUrl = "";
private String routeNumber = "";
private String driverPin = "";
// Broadcast action for MainActivity to update UI coordinates
public static final String ACTION_LOCATION_BROADCAST = "com.rit.driver.LOCATION_BROADCAST";
public static final String EXTRA_LATITUDE = "extra_latitude";
public static final String EXTRA_LONGITUDE = "extra_longitude";
public static final String EXTRA_ACCURACY = "extra_accuracy";
public static final String EXTRA_STATUS = "extra_status";
private final LocationListener locationListener = new LocationListener() {
@Override
public void onLocationChanged(Location location) {
double lat = location.getLatitude();
double lng = location.getLongitude();
float accuracy = location.getAccuracy();
Log.d(TAG, "Location updated: " + lat + ", " + lng + " (Accuracy: " + accuracy + "m)");
// Broadcast updates locally to MainActivity UI
Intent broadcastIntent = new Intent(ACTION_LOCATION_BROADCAST);
broadcastIntent.putExtra(EXTRA_LATITUDE, lat);
broadcastIntent.putExtra(EXTRA_LONGITUDE, lng);
broadcastIntent.putExtra(EXTRA_ACCURACY, accuracy);
broadcastIntent.putExtra(EXTRA_STATUS, "Broadcasting Location...");
sendBroadcast(broadcastIntent);
// Upload location to backend
NetworkHelper.postLocation(serverUrl, routeNumber, lat, lng, driverPin, new NetworkHelper.Callback() {
@Override
public void onSuccess() {
Log.d(TAG, "Uploaded location successfully");
Intent statusIntent = new Intent(ACTION_LOCATION_BROADCAST);
statusIntent.putExtra(EXTRA_STATUS, "Upload Success: Location synced.");
sendBroadcast(statusIntent);
}
@Override
public void onFailure(String error) {
Log.e(TAG, "Upload failed: " + error);
Intent statusIntent = new Intent(ACTION_LOCATION_BROADCAST);
statusIntent.putExtra(EXTRA_STATUS, "Upload Failed: " + error);
sendBroadcast(statusIntent);
}
});
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {}
@Override
public void onProviderEnabled(String provider) {}
@Override
public void onProviderDisabled(String provider) {
Intent statusIntent = new Intent(ACTION_LOCATION_BROADCAST);
statusIntent.putExtra(EXTRA_STATUS, "GPS Provider Disabled. Please turn on Location/GPS.");
sendBroadcast(statusIntent);
}
};
@Override
public void onCreate() {
super.onCreate();
Log.d(TAG, "onCreate: Service starting");
createNotificationChannel();
}
@SuppressLint("InvalidWakeLockTag")
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.d(TAG, "onStartCommand: Service active");
if (intent != null) {
serverUrl = intent.getStringExtra("server_url");
routeNumber = intent.getStringExtra("route_number");
driverPin = intent.getStringExtra("driver_pin");
}
// 1. Show Foreground Notification
Intent notificationIntent = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(
this, 0, notificationIntent,
PendingIntent.FLAG_IMMUTABLE
);
Notification notification = new NotificationCompat.Builder(this, CHANNEL_ID)
.setContentTitle("RIT Driver Tracker")
.setContentText("Active Journey: Route " + routeNumber + " is currently tracking...")
.setSmallIcon(android.R.drawable.ic_menu_compass)
.setContentIntent(pendingIntent)
.setPriority(NotificationCompat.PRIORITY_HIGH)
.build();
startForeground(NOTIFICATION_ID, notification);
// 2. Acquire Power CPU WakeLock
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
if (pm != null) {
wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "TrackingService::WakeLock");
wakeLock.acquire();
Log.d(TAG, "WakeLock acquired successfully");
}
// 3. Register GPS location listener
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
try {
if (locationManager != null) {
// Request updates every 5 seconds (5000ms) or 2 meters
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
5000,
2.0f,
locationListener
);
Log.d(TAG, "GPS Listener registered successfully");
}
} catch (SecurityException e) {
Log.e(TAG, "SecurityException: Location permissions not granted", e);
stopSelf();
}
return START_REDELIVER_INTENT;
}
@Override
public void onDestroy() {
Log.d(TAG, "onDestroy: Stopping service cleanups");
// 1. Remove GPS Listener
if (locationManager != null) {
locationManager.removeUpdates(locationListener);
}
// 2. Release CPU WakeLock
if (wakeLock != null && wakeLock.isHeld()) {
wakeLock.release();
Log.d(TAG, "WakeLock released cleanly");
}
super.onDestroy();
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
private void createNotificationChannel() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationChannel serviceChannel = new NotificationChannel(
CHANNEL_ID,
"RIT Driver Tracker Channel",
NotificationManager.IMPORTANCE_DEFAULT
);
NotificationManager manager = getSystemService(NotificationManager.class);
if (manager != null) {
manager.createNotificationChannel(serviceChannel);
}
}
}
}