Using LocationManager : Location « Hardware « Android

1. Android
2. Hardware
3. Location

Using LocationManager

 

package app.test;

import android.app.Activity;
import android.app.AlertDialog;
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.provider.Settings;
import android.widget.TextView;

public class Test extends Activity {
  LocationManager manager;
  Location currentLocation;
  String selectedProvider;

  TextView locationView;

  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    locationView = new TextView(this);
    setContentView(locationView);
    manager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
  }
  @Override
  public void onResume() {
    super.onResume();
    if (!manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
      AlertDialog.Builder builder = new AlertDialog.Builder(this);
      builder.setTitle("Location Manager");
      builder.setMessage("GPS is currently disabled.\nWould you like to change these settings now?");
      builder.setPositiveButton("Yes",
          new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
              Intent i = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
              startActivity(i);
            }
          });
      builder.setNegativeButton("No",
          new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
              finish();
            }
          });
      builder.create().show();
    }
    currentLocation = manager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
    updateDisplay();
    int minTime = 5000;
    float minDistance = 0;
    manager.requestLocationUpdates(LocationManager.GPS_PROVIDER, minTime,
        minDistance, listener);
  }

  @Override
  public void onPause() {
    super.onPause();
    manager.removeUpdates(listener);
  }

  private void updateDisplay() {
    if (currentLocation == null) {
      locationView.setText("Determining Your Location...");
    } else {
      locationView.setText(String.format("Your Location:\n%.2f, %.2f",
          currentLocation.getLatitude(),
          currentLocation.getLongitude()));
    }
  }
  private LocationListener listener = new LocationListener() {
    @Override
    public void onLocationChanged(Location location) {
      currentLocation = location;
      updateDisplay();
    }

    @Override
    public void onProviderDisabled(String provider) {
    }

    @Override
    public void onProviderEnabled(String provider) {
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
    }

  };
}

   
  

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