title: Draw Route from my location to destination location using google API
body: <p>I tried to make a google map where using location ,i get my location's lon,lat.
  Here is my code</p>
  
  <pre><code>locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);  
  Location myLocation = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
  String uri = "http://maps.google.com/maps?saddr=" + (myLocation.getLatitude())+","+(myLocation.getLongitude())+"&amp;daddr="+destLat+","+destLon;
  
  Intent intent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse(uri));
  
  intent.setClassName("com.google.android.apps.maps", "com.google.android.maps.MapsActivity");
  startActivity(intent);
  </code></pre>
  
  <p>It runs but nothing is happen. just show my location.Can any one tell me where is the error in declaration??Please</p>