How to add the coding for displaying the address when a particular set of latitude and longitude is
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by KKC
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Published on 2010-04-28T02:40:14Z
Indexed on
2010/04/28
2:53 UTC
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import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView;
import android.os.Bundle; import android.view.KeyEvent; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.AdapterView.OnItemSelectedListener;
public class PopularAttractions extends MapActivity {
private String[ ][ ] locations = {
{"Singapore Zoological Garden","1.40502,103.793449"},
{"Singapore Night Safari","1.4037,103.789467"},
{"Jurong BirdPark","1.32005,103.707153"},
{"Jurong Reptile Park","1.321177,103.708486"},
{"Singapore Botanic Garden","1.31471,103.815689"},
{"Sungei Buloh Wetland Reserver","1.445144,103.729595"},
{"Escape Theme Park","1.38104,103.936928"},
{"Snow City","1.32823,103.74263"},
{"Super Ice World","1.300422,103.875348"},
{"Chinatown Heritage Center","1.2836,103.84425"},
{"Singapore Science Center","1.3249,103.740578"},
{"Red Dot Design Museum","1.277762,103.846225"},
{"G-Max Reverse Bungy","1.2906,103.845322"},
{"NEWater Visitor Center","1.33105,103.955311"}
};
private Spinner spinnerView;
private MapView mapView;
private MapController mc;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
spinnerView = (Spinner) this.findViewById(R.id.spinner1);
mapView = (MapView) findViewById(R.id.mapview1);
mc = mapView.getController();
ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(this, android.R.layout.simple_spinner_dropdown_item);
//--add the various locations---
for(int i = 0; i < locations.length; i++)
adapter.add(locations[i][0]);
adapter.setDropDownViewResource(
android.R.layout.simple_spinner_dropdown_item);
spinnerView.setAdapter(adapter);
spinnerView.setOnItemSelectedListener(selectListener);
gotoSelected();
}
//---when user selects an item---
private OnItemSelectedListener selectListener = new OnItemSelectedListener() {
//---these are two methods you need to implement---
public void onItemSelected(
AdapterView<?>parent, View v, int position, long id)
{
gotoSelected();
}
public void onNothingSelected(AdapterView<?> arg0) {}
};
//---when an item has been selected---
public void gotoSelected()
{
int index = spinnerView.getSelectedItemPosition();
String[] coordinates = locations[index][1].split(",");
double lat = Double.parseDouble(coordinates[0]);
double lng = Double.parseDouble(coordinates[1]);
GeoPoint location = new GeoPoint (
(int)(lat * 1E6),
(int)(lng * 1E6));
mc.animateTo(location);
mc.setZoom(16);
if (mapView.isSatellite())
mapView.setSatellite(false);
else
mapView.setStreetView(true);
mapView.invalidate();
}
public boolean onKeyDown(int keyCode, KeyEvent event)
{
MapController mc = mapView.getController();
switch (keyCode)
{
case KeyEvent.KEYCODE_3:
mc.zoomIn();
break;
case KeyEvent.KEYCODE_1:
mc.zoomOut();
break;
}
return super.onKeyDown(keyCode, event);
}
@Override
protected boolean isRouteDisplayed(){
//TODO Auto-generated method sub
return false;
}
}
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