/**
* Enable location updates and show your current location on the map. By default this will request
* location updates as frequently as possible, but you can change the frequency and/or distance by
* calling {@link setLocationUpdateMinTime(long)} and/or {@link
* setLocationUpdateMinDistance(float)} before calling this method. You will want to call
* enableMyLocation() probably from your Activity's Activity.onResume() method, to enable the
* features of this overlay. Remember to call the corresponding disableMyLocation() in your
* Activity's Activity.onPause() method to turn off updates when in the background.
*/
public boolean enableMyLocation() {
boolean result = true;
if (mLocationListener == null) {
mLocationListener = new LocationListenerProxy(mLocationManager);
result =
mLocationListener.startListening(
this, mLocationUpdateMinTime, mLocationUpdateMinDistance);
}
// set initial location when enabled
if (isFollowLocationEnabled()) {
mLocation = LocationUtils.getLastKnownLocation(mLocationManager);
if (mLocation != null) {
mMapController.animateTo(new GeoPoint(mLocation));
}
}
// Update the screen to see changes take effect
if (mMapView != null) {
mMapView.postInvalidate();
}
return result;
}
/**
* Enables "follow" functionality. The map will center on your current location and automatically
* scroll as you move. Scrolling the map in the UI will disable.
*/
public void enableFollowLocation() {
mFollow = true;
btnFollow.setVisibility(View.GONE);
Toast.makeText(thisActivity, "GPS follow mode is ON.", Toast.LENGTH_SHORT).show();
// set initial location when enabled
if (isMyLocationEnabled()) {
mLocation = LocationUtils.getLastKnownLocation(mLocationManager);
if (mLocation != null) {
mMapController.animateTo(new GeoPoint(mLocation));
}
}
// Update the screen to see changes take effect
if (mMapView != null) {
mMapView.postInvalidate();
}
}