From ac7633d8149a28af288ac0b850850cef9b13c151 Mon Sep 17 00:00:00 2001 From: sjtufs Date: Sun, 25 Aug 2013 15:45:55 +0800 Subject: This is alpha --- .../gpstracking/AndroidGPSTrackingActivity.java | 50 ++++++ .../src/com/example/gpstracking/GPSTracker.java | 200 +++++++++++++++++++++ .../src/com/example/gpstracking/Tracker.java | 33 ++++ 3 files changed, 283 insertions(+) create mode 100644 misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/AndroidGPSTrackingActivity.java create mode 100644 misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/GPSTracker.java create mode 100644 misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/Tracker.java (limited to 'misc/client/gps-demo/AndroidGPSTracking/src/com') diff --git a/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/AndroidGPSTrackingActivity.java b/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/AndroidGPSTrackingActivity.java new file mode 100644 index 0000000..cdc1413 --- /dev/null +++ b/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/AndroidGPSTrackingActivity.java @@ -0,0 +1,50 @@ +package com.example.gpstracking; + +import android.app.Activity; +import android.os.Bundle; +import android.view.View; +import android.widget.Button; +import android.widget.Toast; + +public class AndroidGPSTrackingActivity extends Activity { + + Button btnShowLocation; + + // GPSTracker class + GPSTracker gps; + + @Override + public void onCreate(Bundle savedInstanceState) { + + super.onCreate(savedInstanceState); + setContentView(R.layout.main); + + btnShowLocation = (Button) findViewById(R.id.btnShowLocation); + + // show location button click event + btnShowLocation.setOnClickListener(new View.OnClickListener() { + + @Override + public void onClick(View arg0) { + // create class object + gps = new GPSTracker(AndroidGPSTrackingActivity.this); + + // check if GPS enabled + if(gps.canGetLocation()){ + + double latitude = gps.getLatitude(); + double longitude = gps.getLongitude(); + + Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show(); + }else{ + // can't get location + // GPS or Network is not enabled + // Ask user to enable GPS/network in settings + gps.showSettingsAlert(); + } + + } + }); + } + +} \ No newline at end of file diff --git a/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/GPSTracker.java b/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/GPSTracker.java new file mode 100644 index 0000000..f1e77ad --- /dev/null +++ b/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/GPSTracker.java @@ -0,0 +1,200 @@ +package com.example.gpstracking; + +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.os.Bundle; +import android.os.IBinder; +import android.provider.Settings; +import android.util.Log; + +public class GPSTracker extends Service implements LocationListener { + + 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 = 10 * 60 * 1; // 1 minute + + // Declaring a Location Manager + protected LocationManager locationManager; + + public GPSTracker(Context context) { + this.mContext = context; + getLocation(); + } + + public Location getLocation() { + try { + 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 && !isNetworkEnabled) { + // 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"); + if (locationManager != null) { + location = locationManager + .getLastKnownLocation(LocationManager.NETWORK_PROVIDER); + if (location != null) { + latitude = location.getLatitude(); + longitude = location.getLongitude(); + } + } + } + // if GPS Enabled get lat/long using GPS Services + if (isGPSEnabled) { + if (location == null) { + locationManager.requestLocationUpdates( + LocationManager.GPS_PROVIDER, + MIN_TIME_BW_UPDATES, + MIN_DISTANCE_CHANGE_FOR_UPDATES, this); + Log.d("GPS Enabled", "GPS Enabled"); + if (locationManager != null) { + location = locationManager + .getLastKnownLocation(LocationManager.GPS_PROVIDER); + if (location != null) { + latitude = location.getLatitude(); + longitude = location.getLongitude(); + } + } + } + } + } + + } catch (Exception e) { + e.printStackTrace(); + } + + return location; + } + + /** + * 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 + return latitude; + } + + /** + * Function to get longitude + */ + public double getLongitude(){ + if(location != null){ + longitude = location.getLongitude(); + } + + // return longitude + return longitude; + } + + /** + * Function to check GPS/wifi enabled + * @return boolean + */ + public boolean canGetLocation() { + return this.canGetLocation; + } + + /** + * 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) { + } + + @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; + } +} diff --git a/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/Tracker.java b/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/Tracker.java new file mode 100644 index 0000000..2e08a91 --- /dev/null +++ b/misc/client/gps-demo/AndroidGPSTracking/src/com/example/gpstracking/Tracker.java @@ -0,0 +1,33 @@ +package com.example.gpstracking; + +import java.util.Timer; +import java.util.TimerTask; + +public class Tracker implements Runnable { + + private static final long TIME_DELTA = 1000 * 60 * 5; + + Controller controller; + + public Tracker(Controller newController) { + controller = newController; + } + + public void run() { + public Timer timer; + TimerTask task = new GPSTask(); + timer.schedule(new GPSTask(), 0, TIME_DELTA); + } + + class GPSTask extends TimerTask { + public void run() { + GPSTracker tracker; + tracker = new GPSTracker(Tracker.this); + + double latitude = tracker.getLatitude(); + double longitude = tracker.getLongitude(); + + controller.recieveLocation(latitude, longitude); + } + } +} -- cgit v1.2.3-70-g09d2