diff options
Diffstat (limited to 'client/src/com/macaroon/piztor/GPSTracker.java')
| -rw-r--r-- | client/src/com/macaroon/piztor/GPSTracker.java | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/client/src/com/macaroon/piztor/GPSTracker.java b/client/src/com/macaroon/piztor/GPSTracker.java new file mode 100644 index 0000000..7e89d21 --- /dev/null +++ b/client/src/com/macaroon/piztor/GPSTracker.java @@ -0,0 +1,241 @@ +package com.macaroon.piztor;
+
+import android.app.AlertDialog;
+import android.app.Service;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
+import android.location.GpsStatus;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.SystemClock;
+import android.provider.Settings;
+import android.util.Log;
+
+public class GPSTracker extends Service implements LocationListener, GpsStatus.Listener {
+
+ private final Context mContext;
+
+ // flag for GPS status
+ boolean isGPSEnabled = false;
+
+ // flag for network status
+ boolean isNetworkEnabled = false;
+
+ // flag for GPS status
+ boolean canGetLocation = false;
+
+ Location location; // location
+ double latitude; // latitude
+ double longitude; // longitude
+
+ // The minimum distance to change Updates in meters
+ private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters
+
+ // The minimum time between updates in milliseconds
+ private static final long MIN_TIME_BW_UPDATES = 1000 * 3; // 10 seconds
+
+ // Declaring a Location Manager
+ protected LocationManager locationManager;
+
+ // for GPS satellite status listener
+ Location mLastLocation;
+ long mLastLocationMillis;
+ boolean isGPSFix;
+
+
+ public GPSTracker(Context context) {
+ this.mContext = context;
+ isGPSFix = false;
+ getLocation();
+ }
+
+ public Location getLocation() {
+ try {
+ Log.d("getLocation", "Start getting location......");
+
+ locationManager = (LocationManager) mContext
+ .getSystemService(LOCATION_SERVICE);
+
+ // getting GPS status
+ isGPSEnabled = locationManager
+ .isProviderEnabled(LocationManager.GPS_PROVIDER);
+
+ // getting network status
+ isNetworkEnabled = locationManager
+ .isProviderEnabled(LocationManager.NETWORK_PROVIDER);
+
+ if (!isGPSEnabled) {
+ // no network provider is enabled
+ } else {
+ this.canGetLocation = true;
+ if (isNetworkEnabled) {
+ locationManager.requestLocationUpdates(
+ LocationManager.NETWORK_PROVIDER,
+ MIN_TIME_BW_UPDATES,
+ MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+
+ Log.d("Network", "Network Updated");
+
+ if (locationManager != null) {
+ location = locationManager
+ .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
+ if (location != null) {
+ latitude = location.getLatitude();
+ longitude = location.getLongitude();
+
+ Log.d("Network", "Received Network Data");
+ System.out.println("***From Network: "+latitude + " " + longitude);
+ }
+ }
+ }// end of network section
+ // if GPS Enabled get lat/long using GPS Services
+ if (isGPSEnabled) {
+ if (true) {
+ locationManager.requestLocationUpdates(
+ LocationManager.GPS_PROVIDER,
+ MIN_TIME_BW_UPDATES,
+ MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+ Log.d("GPS", "GPS Updated");
+ if (locationManager != null) {
+ location = locationManager
+ .getLastKnownLocation(LocationManager.GPS_PROVIDER);
+ if (location != null) {
+ latitude = location.getLatitude();
+ longitude = location.getLongitude();
+
+ Log.d("GPS", "Received GPS Data");
+ System.out.println("***From GPS: "+latitude + " " + longitude);
+
+ }
+ }
+ }
+ }// end of GPS section
+ }// end of fetching data
+ return location;
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * Stop using GPS listener Calling this function will stop using GPS in your
+ * app
+ * */
+ public void stopUsingGPS() {
+ if (locationManager != null) {
+ locationManager.removeUpdates(GPSTracker.this);
+ }
+ }
+
+ /**
+ * Function to get latitude
+ * */
+ public double getLatitude() {
+ if (location != null) {
+ latitude = location.getLatitude();
+ }
+ return latitude;
+ }
+
+ /**
+ * Function to get longitude
+ * */
+ public double getLongitude() {
+ if (location != null) {
+ longitude = location.getLongitude();
+ }
+ return longitude;
+ }
+
+ /**
+ * Function to check GPS/wifi enabled
+ *
+ * @return boolean
+ * */
+ public boolean canGetLocation() {
+ return this.canGetLocation;
+ }
+
+ public boolean isGPSFix() {
+ return (this.isGPSFix && location != null);
+ }
+
+ /**
+ * Function to show settings alert dialog On pressing Settings button will
+ * lauch Settings Options
+ * */
+ public void showSettingsAlert() {
+ AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
+
+ // Setting Dialog Title
+ alertDialog.setTitle("GPS is settings");
+
+ // Setting Dialog Message
+ alertDialog
+ .setMessage("GPS is not enabled. Do you want to go to settings menu?");
+
+ // On pressing Settings button
+ alertDialog.setPositiveButton("Settings",
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ Intent intent = new Intent(
+ Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+ mContext.startActivity(intent);
+ }
+ });
+
+ // on pressing cancel button
+ alertDialog.setNegativeButton("Cancel",
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ dialog.cancel();
+ }
+ });
+
+ // Showing Alert Message
+ alertDialog.show();
+ }
+
+ @Override
+ public void onLocationChanged(Location location) {
+ if (location == null) return;
+ mLastLocationMillis = SystemClock.elapsedRealtime();
+ mLastLocation = location;
+ }
+
+ @Override
+ public void onProviderDisabled(String provider) {
+ }
+
+ @Override
+ public void onProviderEnabled(String provider) {
+ }
+
+ @Override
+ public void onStatusChanged(String provider, int status, Bundle extras) {
+ }
+
+ @Override
+ public IBinder onBind(Intent arg0) {
+ return null;
+ }
+
+ @Override
+ public void onGpsStatusChanged(int event) {
+ switch (event) {
+ case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
+ if(mLastLocation != null)
+ isGPSFix = (SystemClock.elapsedRealtime() - mLastLocationMillis) < 3000;
+ break;
+
+ case GpsStatus.GPS_EVENT_FIRST_FIX:
+ isGPSFix = true;
+ break;
+ }
+ }
+}
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