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Thursday, 24 January 2013

Detect and animate to user location

11:19
Last exercise "Implement LocationSource and LocationListener for Google Maps Android API v2" to detect user location. We can modify onLocationChanged() method to animate to updated user location; such that the GoogleMap will always center on user location.

 @Override
public void onLocationChanged(Location location) {
if (myLocationListener != null) {
myLocationListener.onLocationChanged(location);

double lat = location.getLatitude();
double lon = location.getLongitude();

tvLocInfo.setText(
"lat: " + lat + "\n" +
"lon: " + lon);

LatLng latlng= new LatLng(location.getLatitude(), location.getLongitude());
myMap.animateCamera(CameraUpdateFactory.newLatLng(latlng));

}
}

Detect and animate to user location


The series:
A simple example using Google Maps Android API v2, step by step.

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