I want to show the location of an address in Google Maps.
How do I get the latitude and longitude of an address using the Google Maps API?
This question is related to
android
google-maps
google-geocoder
This is how you can find the latitude and longitude of where we have click on map.
public boolean onTouchEvent(MotionEvent event, MapView mapView)
{
//---when user lifts his finger---
if (event.getAction() == 1)
{
GeoPoint p = mapView.getProjection().fromPixels(
(int) event.getX(),
(int) event.getY());
Toast.makeText(getBaseContext(),
p.getLatitudeE6() / 1E6 + "," +
p.getLongitudeE6() /1E6 ,
Toast.LENGTH_SHORT).show();
}
return false;
}
it works well.
To get the location's address we can use geocoder class.
The following code will work for google apiv2:
public void convertAddress() {
if (address != null && !address.isEmpty()) {
try {
List<Address> addressList = geoCoder.getFromLocationName(address, 1);
if (addressList != null && addressList.size() > 0) {
double lat = addressList.get(0).getLatitude();
double lng = addressList.get(0).getLongitude();
}
} catch (Exception e) {
e.printStackTrace();
} // end catch
} // end if
} // end convertAddress
Where address is the String (123 Testing Rd City State zip) you want to convert to LatLng.
If you want to place your address in google map then easy way to use following
Intent searchAddress = new Intent(Intent.ACTION_VIEW,Uri.parse("geo:0,0?q="+address));
startActivity(searchAddress);
OR
if you needed to get lat long from your address then use Google Place Api following
create a method that returns a JSONObject with the response of the HTTP Call like following
public static JSONObject getLocationInfo(String address) {
StringBuilder stringBuilder = new StringBuilder();
try {
address = address.replaceAll(" ","%20");
HttpPost httppost = new HttpPost("http://maps.google.com/maps/api/geocode/json?address=" + address + "&sensor=false");
HttpClient client = new DefaultHttpClient();
HttpResponse response;
stringBuilder = new StringBuilder();
response = client.execute(httppost);
HttpEntity entity = response.getEntity();
InputStream stream = entity.getContent();
int b;
while ((b = stream.read()) != -1) {
stringBuilder.append((char) b);
}
} catch (ClientProtocolException e) {
} catch (IOException e) {
}
JSONObject jsonObject = new JSONObject();
try {
jsonObject = new JSONObject(stringBuilder.toString());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return jsonObject;
}
now pass that JSONObject to getLatLong() method like following
public static boolean getLatLong(JSONObject jsonObject) {
try {
longitute = ((JSONArray)jsonObject.get("results")).getJSONObject(0)
.getJSONObject("geometry").getJSONObject("location")
.getDouble("lng");
latitude = ((JSONArray)jsonObject.get("results")).getJSONObject(0)
.getJSONObject("geometry").getJSONObject("location")
.getDouble("lat");
} catch (JSONException e) {
return false;
}
return true;
}
I hope this helps to you nd others..!! Thank you..!!
Geocoder coder = new Geocoder(this);
List<Address> addresses;
try {
addresses = coder.getFromLocationName(address, 5);
if (addresses == null) {
}
Address location = addresses.get(0);
double lat = location.getLatitude();
double lng = location.getLongitude();
Log.i("Lat",""+lat);
Log.i("Lng",""+lng);
LatLng latLng = new LatLng(lat,lng);
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(latLng);
googleMap.addMarker(markerOptions);
googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng,12));
} catch (IOException e) {
e.printStackTrace();
}
public LatLang getLatLangFromAddress(String strAddress){
Geocoder coder = new Geocoder(this, Locale.getDefault());
List<Address> address;
try {
address = coder.getFromLocationName(strAddress,5);
if (address == null) {
return new LatLang(-10000, -10000);
}
Address location = address.get(0);
return new LatLang(location.getLatitude(), location.getLongitude());
} catch (IOException e) {
return new LatLang(-10000, -10000);
}
}
LatLang is a pojo class in this case.
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> permission is not required.
An answer to Kandha problem above :
It throws the "java.io.IOException service not available" i already gave those permission and include the library...i can get map view...it throws that IOException at geocoder...
I just added a catch IOException after the try and it solved the problem
catch(IOException ioEx){
return null;
}
public void goToLocationFromAddress(String strAddress) {
//Create coder with Activity context - this
Geocoder coder = new Geocoder(this);
List<Address> address;
try {
//Get latLng from String
address = coder.getFromLocationName(strAddress, 5);
//check for null
if (address != null) {
//Lets take first possibility from the all possibilities.
try {
Address location = address.get(0);
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
//Animate and Zoon on that map location
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
mMap.animateCamera(CameraUpdateFactory.zoomTo(15));
} catch (IndexOutOfBoundsException er) {
Toast.makeText(this, "Location isn't available", Toast.LENGTH_SHORT).show();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
Ud_an's solution with updated API's
Note: LatLng class is part of Google Play Services.
Mandatory:
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.INTERNET"/>
Update: If you have target SDK 23 and above, make sure you take care of runtime permission for location.
public LatLng getLocationFromAddress(Context context,String strAddress) {
Geocoder coder = new Geocoder(context);
List<Address> address;
LatLng p1 = null;
try {
// May throw an IOException
address = coder.getFromLocationName(strAddress, 5);
if (address == null) {
return null;
}
Address location = address.get(0);
p1 = new LatLng(location.getLatitude(), location.getLongitude() );
} catch (IOException ex) {
ex.printStackTrace();
}
return p1;
}
Source: Stackoverflow.com