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- package com.example.map;
- import android.os.Bundle;
- import android.app.Activity;
- import android.view.Menu;
- import android.content.Context;
- import android.location.Criteria;
- import android.location.Location;
- import android.location.LocationListener;
- import android.location.LocationManager;
- import android.widget.TextView;
- import android.widget.Toast;
- public class MapActivity extends Activity implements LocationListener{
- private TextView latituteField, longitudeField, accuracyField, altitudeField, bearingField;
- private LocationManager locationManager;
- private String provider;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_map);
- latituteField = (TextView) findViewById(R.id.TextView02);
- longitudeField = (TextView) findViewById(R.id.TextView04);
- accuracyField = (TextView) findViewById(R.id.textView1);
- altitudeField = (TextView) findViewById(R.id.textView2);
- bearingField = (TextView) findViewById(R.id.textView4);
- // Get the location manager
- locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
- // Define the criteria how to select the locatioin provider -> use default
- Criteria criteria = new Criteria();
- provider = locationManager.getBestProvider(criteria, false);
- Location location = locationManager.getLastKnownLocation(provider);
- // Initialize the location fields
- if (location != null) {
- System.out.println("Provider " + provider + " has been selected.");
- onLocationChanged(location);
- } else {
- latituteField.setText("Location not available");
- longitudeField.setText("Location not available");
- }
- }
- /* Request updates at startup */
- @Override
- protected void onResume() {
- super.onResume();
- locationManager.requestLocationUpdates(provider, 400, 1, this);
- }
- /* Remove the locationlistener updates when Activity is paused */
- @Override
- protected void onPause() {
- super.onPause();
- locationManager.removeUpdates(this);
- }
- @Override
- public void onLocationChanged(Location location) {
- int lat = (int) (location.getLatitude());
- int lng = (int) (location.getLongitude());
- int acc = (int) (location.getAccuracy());
- int alt = (int) (location.getAltitude());
- int bearing = (int) (location.getBearing());
- latituteField.setText(String.valueOf(lat));
- longitudeField.setText(String.valueOf(lng));
- accuracyField.setText(String.valueOf(acc));
- altitudeField.setText(String.valueOf(alt));
- bearingField.setText(String.valueOf(bearing));
- }
- @Override
- public void onStatusChanged(String provider, int status, Bundle extras) {
- // TODO Auto-generated method stub
- }
- @Override
- public void onProviderEnabled(String provider) {
- Toast.makeText(this, "Enabled new provider " + provider,
- Toast.LENGTH_SHORT).show();
- }
- @Override
- public void onProviderDisabled(String provider) {
- Toast.makeText(this, "Disabled provider " + provider,
- Toast.LENGTH_SHORT).show();
- }
- if(location != null){
- do{
- System.out.println("Provider " + provider + " has been selected.");
- onLocationChanged(location);
- locationManager.requestLocationUpdates(provider, 0, 0, this);
- }while(location != null);
- }
- else{
- latituteField.setText("Location not available");
- longitudeField.setText("Location not available");
- }
- <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
- <uses-permission android:name="android.permission.INTERNET" />
- scheduleTaskExecutor= Executors.newScheduledThreadPool(5);
- // This schedule a task to run every 10 seconds:
- scheduleTaskExecutor.scheduleAtFixedRate(new Runnable() {
- public void run() {
- try {
- //add your code you would like to be executed every 10 seconds.
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- }, 0, 10, TimeUnit.SECONDS);
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