Mega Code Archive
Custom Location Overlay
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package app.test;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.MyLocationOverlay;
import android.os.Bundle;
import android.content.Context;
import android.location.Location;
import android.util.Log;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapView;
import com.google.android.maps.MyLocationOverlay;
class MyCustomLocationOverlay extends MyLocationOverlay {
MapView mMapView = null;
public MyCustomLocationOverlay(Context ctx, MapView mapView) {
super(ctx, mapView);
mMapView = mapView;
}
public void onLocationChanged(Location loc) {
super.onLocationChanged(loc);
GeoPoint newPt = new GeoPoint((int) (loc.getLatitude()*1E6),
(int) (loc.getLongitude()*1E6));
Log.v("MyCustomLocationOverlay", "Got new location: " + newPt);
mMapView.getController().animateTo(newPt);
}
}
public class MyLocationDemoActivity extends MapActivity {
MapView mapView = null;
MapController mapController = null;
MyLocationOverlay whereAmI = null;
@Override
protected boolean isLocationDisplayed() {
return whereAmI.isMyLocationEnabled();
}
@Override
protected boolean isRouteDisplayed() {
return false;
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapView = (MapView)findViewById(R.id.geoMap);
mapView.setBuiltInZoomControls(true);
mapController = mapView.getController();
mapController.setZoom(15);
whereAmI = new MyCustomLocationOverlay(this, mapView);
mapView.getOverlays().add(whereAmI);
mapView.postInvalidate();
}
@Override
public void onResume()
{
super.onResume();
whereAmI.enableMyLocation();
whereAmI.runOnFirstFix(new Runnable() {
public void run() {
mapController.setCenter(whereAmI.getMyLocation());
}
});
}
@Override
public void onPause()
{
super.onPause();
whereAmI.disableMyLocation();
}
}
//main.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- This file is /res/layout/main.xml -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<com.google.android.maps.MapView
android:id="@+id/geoMap" android:clickable="true"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:apiKey="yourMapKey"
/>
</RelativeLayout>
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