LocationPicker.java :  » App » imogene-map » org » imogene » map » provider » osm » app » Android Open Source

package org.imogene.map.provider.osm.app;

import org.imogene.map.provider.common.Constants.Extras;
import org.imogene.map.provider.osm.overlay.BubbleClickableOverlay;
import org.osmdroid.util.GeoPoint;

import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;

public class LocationPicker extends MapActivity {
  
  private BubbleClickableOverlay mOverlay;
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    Location l = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);
    if (l == null) {
      l = lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
    }

    GeoPoint point;
    if (l != null) {
      int latE6 = (int) (l.getLatitude() * MILLION);
      int lonE6 = (int) (l.getLongitude() * MILLION);
      point = new GeoPoint(latE6, lonE6);
    } else {
      point = SAMOIS_SUR_SEINE;
    }
    mOverlay = new BubbleClickableOverlay(this, point);

    mMapView.getOverlays().add(mOverlay);
    mController.animateTo(mOverlay.getGeoPoint());
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    GeoPoint point = mOverlay.getGeoPoint();
    outState.putInt(Extras.EXTRA_LATITUDE, point.getLatitudeE6());
    outState.putInt(Extras.EXTRA_LONGITUDE, point.getLongitudeE6());
  }
  
  @Override
  protected void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);
    int latitude = savedInstanceState.getInt(Extras.EXTRA_LATITUDE);
    int longitude = savedInstanceState.getInt(Extras.EXTRA_LONGITUDE);
    GeoPoint point = new GeoPoint(latitude, longitude);
    mOverlay.setGeoPoint(point);
    mController.animateTo(point);
  }
  
  @Override
  protected boolean isAutozoomDisplayed() {
    return true;
  }
  
  @Override
  protected boolean isValidateDisplayed() {
    return true;
  }
  
  @Override
  protected void autozoom() {
    mController.animateTo(mOverlay.getGeoPoint());
  }
  
  @Override
  protected void validate() {
    GeoPoint point = mOverlay.getGeoPoint();
    Location location = new Location("medesmapprovider");
    location.setLatitude(point.getLatitudeE6() / (double) MILLION);
    location.setLongitude(point.getLongitudeE6() / (double) MILLION);
    setResult(RESULT_OK, new Intent().putExtra(Extras.EXTRA_LOCATION, location));
    finish();
  }

}