/**
* If a segment contains more then 500 waypoints and is zoomed out more then twice then some
* waypoints will not be used to render the line, this speeding things along.
*/
private void calculateStepSize() {
Cursor waypointsCursor = null;
if (mRequeryFlag || mStepSize < 1 || mWaypointCount < 0) {
try {
waypointsCursor =
this.mResolver.query(
this.mWaypointsUri, new String[] {Waypoints._ID}, null, null, null);
mWaypointCount = waypointsCursor.getCount();
} finally {
if (waypointsCursor != null) {
waypointsCursor.close();
}
}
}
if (mWaypointCount < 250) {
mStepSize = 1;
} else {
int zoomLevel = mMapView.getZoomLevel();
int maxZoomLevel = mMapView.getMaxZoomLevel();
if (zoomLevel >= maxZoomLevel - 2) {
mStepSize = 1;
} else {
mStepSize = maxZoomLevel - zoomLevel;
}
}
}
private void initMapView() {
mapView = (MapView) findViewById(R.id.mapview);
mapCtrl = mapView.getController();
final int maxZoomLevel = mapView.getMaxZoomLevel() - zoomCorrection;
mapCtrl.setZoom(maxZoomLevel);
mapView.setBuiltInZoomControls(true);
mapView.setSatellite(true);
}
private void setStepSize() {
int zoomLevel = mMapView.getZoomLevel();
int maxZoomLevel = mMapView.getMaxZoomLevel();
if (mMapView != null && zoomLevel >= maxZoomLevel - 1) {
stepSize = 1;
} else {
stepSize = (maxZoomLevel - zoomLevel) * 2;
}
// Log.d( TAG, "Setting stepSize "+stepSize+" on a zoom of "+zoomLevel+"/"+maxZoomLevel );
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE); // Suppress title bar to give more space
setContentView(R.layout.show_the_map);
initiateLocation();
// Add map controller with zoom controls
mapView = (MapView) findViewById(R.id.mv);
mapView.setSatellite(true);
mapView.setTraffic(false);
mapView.setBuiltInZoomControls(true); // Set android:clickable=true in main.xml
int maxZoom = mapView.getMaxZoomLevel();
int initZoom = (int) (0.80 * (double) maxZoom);
mapControl = mapView.getController();
mapControl.setZoom(initZoom);
// Convert lat/long in degrees into integers in microdegrees
latE6 = (int) (lat * 1e6);
lonE6 = (int) (lon * 1e6);
gp = new GeoPoint(latE6, lonE6);
mapControl.animateTo(gp);
}
private void setMapCenter(Location location) {
gc = new Geocoder(this);
String placename = "";
try {
List<Address> place = gc.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
placename = "Location found: " + place.get(0).getLocality();
} catch (IOException e) {
placename =
String.format("Location found (%s, %s)", location.getLatitude(), location.getLongitude());
} catch (IndexOutOfBoundsException ioobe) {
}
Toast.makeText(this, placename, Toast.LENGTH_SHORT).show();
Log.d(
TAG,
String.format("Location found (%s, %s)", location.getLatitude(), location.getLongitude()));
controller = myMap.getController();
zoomMax = myMap.getMaxZoomLevel();
controller.setCenter(
new GeoPoint((int) (location.getLatitude() * 1E6), (int) (location.getLongitude() * 1E6)));
controller.setZoom(zoomMax);
// put an overlay on the map
Drawable marker = getResources().getDrawable(R.drawable.sphero_marker);
int markerWidth = marker.getIntrinsicWidth();
int markerHeight = marker.getIntrinsicHeight();
marker.setBounds(0, markerHeight, markerWidth, 0);
SpheroOverlay spheroOverlay = new SpheroOverlay(marker);
myMap.getOverlays().add(spheroOverlay);
spheroOverlay.addItem(locationToGeoPoint(location), "Sphero!", "This is where you're at.");
}
@Override
public int getMaxZoomLevel() {
return mMapView.getMaxZoomLevel();
}