In my mapview, Used geocding inside SingleTapUp. Whenever zoom controls of mapview are used, singleTapUp also gets invoked. Any suggestions to overcome this scenario.
The code in my main method
public static TextView info;
private MapController mapController;
private MapView mapView;
public LocationManager orgManager;
private MyOverlays itemizedoverlay, blackmarker;
public boolean gps_enabled = false;
public boolean network_enabled = false;
public Criteria c;
public String bestProvider;
public double orginLongitude, orginLatitude, destLongtitude, destLatitude,
currLatitude, currLongtitude, lat, lon;
public boolean isLongPress= false, GPSfix = false;
Location originLocation = new Location("source");
Location currLocation = new Location("current");
Location destinationLocation = new Location("destination");
Location fixlocation= new Location("fix");
NotificationManager nm;
Vibrator v;
MediaPlayer mp = new MediaPlayer();
private TextToSpeech myTTS;
private int MY_DATA_CHECK_CODE = 0;
private List<Overlay> mapOverlays;
private Projection projection;
GestureDetector gestureScanner;
long lastGesture = System.currentTimeMillis();
GeoPoint markerPoint = null;
private int count = 0;
MyLocationOverlay mo;
public GeoPoint source;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.map_layout);
info = (TextView) findViewById(R.id.infopane);
mapView = (MapView) findViewById(R.id.mapView);
//Button myloc = (Button)findViewById(R.id.myloc);
info.setText("Please Tap on the Map");
orgManager = (LocationManager) this
.getSystemService(Context.LOCATION_SERVICE);
mapView.setBuiltInZoomControls(true);
mapView.setSatellite(true);
markerPoint = null;
mapController = mapView.getController();
mapController.setZoom(16); // Zoom 1 is world view
mapView.invalidate();
mo = new MyLocationOverlay(MapClass.this, mapView);
mapView.getOverlays().add(mo);
mapOverlays = mapView.getOverlays();
projection = mapView.getProjection();
Drawable drawable = this.getResources()
.getDrawable(R.drawable.mark_red);
Drawable black_marker = this.getResources().getDrawable(
R.drawable.marker_black);
itemizedoverlay = new MyOverlays(drawable);
blackmarker = new MyOverlays(black_marker);
try {
gps_enabled = orgManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
Log.i("success", "Gps:" + String.valueOf(gps_enabled)+ "N/w:" + String.valueOf(network_enabled) );
} catch (Exception ex) {
Log.i("sample", "sample");
}
if (!gps_enabled) {
Log.i("failure", "Gps:" + String.valueOf(gps_enabled)+ "N/W:" + String.valueOf(network_enabled) );
final AlertDialog.Builder builder = new AlertDialog.Builder(MapClass.this);
builder.setTitle("Attention!");
builder.setMessage("Sorry, location is not determined. Please open app after enabling GPS & wireless networks").setCancelable(false).setPositiveButton("OK", new OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
startActivity(new Intent(
android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
finish();
}
});
AlertDialog alert = builder.create();
alert.show();
}
if(gps_enabled){
orgManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
fixlocation = orgManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
Log.i("fix", String.valueOf(fixlocation.getLatitude() + fixlocation.getLongitude()));
if (fixlocation!=null){
originLocation.setLatitude(fixlocation.getLatitude());
originLocation.setLongitude(fixlocation.getLongitude());
Log.i("origin fix", String.valueOf(originLocation.getLatitude() + originLocation.getLongitude()));
GPSfix = true;
}else Toast.makeText(MapClass.this, "", Toast.LENGTH_SHORT).show();
}
if (GPSfix) {
// double a = originLocation.getLatitude();
// double b = originLocation.getLongitude();
source = new GeoPoint(
(int) ((fixlocation.getLatitude()) * 1E6),
(int) ((fixlocation.getLongitude()) * 1E6));
mapController.animateTo(source);
mapView.getMapCenter();
createMarker();
Toast.makeText( MapClass.this," Source GPS Values Latitude: "
+ fixlocation.getLatitude() + " Longitude: "
+ fixlocation.getLongitude(), Toast.LENGTH_SHORT).show();
}
else Toast.makeText(MapClass.this, "Wait for GPS", Toast.LENGTH_SHORT).show();
gestureScanner = new GestureDetector(this, this);
}
The code in gesture scanner method.
onLongPress
@Override public void onLongPress(final MotionEvent e) { // TODO Auto-generated method stuMapClass Toast.makeText(MapClass.this, // "LongPress", Toast.LENGTH_SHORT) AlertDialog.Builder alertDialog = new AlertDialog.Builder(MapClass.this); // Setting Dialog Title alertDialog.setTitle("Alert!!"); // Setting Dialog Message alertDialog.setMessage("Do you want to select this as destination"); // Setting Positive "Yes" Button alertDialog.setPositiveButton("YES", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // Write your code here to execute after dialog String add = ""; GeoPoint geopoint = mapView.getProjection().fromPixels( (int) e.getX(), (int) e.getY()); // latitude lat = geopoint.getLatitudeE6() / 1E6; // longitude lon = geopoint.getLongitudeE6() / 1E6; Geocoder geoCoder = new Geocoder(getBaseContext(), Locale.getDefault()); try { List<Address> addresses = geoCoder.getFromLocation( geopoint.getLatitudeE6() / 1E6, geopoint.getLongitudeE6() / 1E6, 1); if (addresses.size() > 0) { for (int i = 0; i < addresses.get(0) .getMaxAddressLineIndex(); i++) add += addresses.get(0).getAddressLine(i) + "\n"; } Toast.makeText(getBaseContext(), add, Toast.LENGTH_SHORT).show(); } catch (IOException ioe) { ioe.printStackTrace(); } mapOverlays.add(new MyOverlay((originLocation .getLatitude()), (originLocation.getLongitude()), lat, lon)); destinationLocation.setLatitude(lat); destinationLocation.setLongitude(lon); String distance = Float.toString((originLocation .distanceTo(destinationLocation) / 1000)); createblack(); count++; Toast.makeText(getBaseContext(), distance + "kms", Toast.LENGTH_SHORT).show(); info.setText("Selected destination is " + "\n" + add + "\n" + " The journey distance is " + distance + " Kms "); mapView.postInvalidate(); isLongPress = true; mapController.animateTo(source); mapView.getMapCenter(); } private void createblack() { // TODO Auto-generated method stub GeoPoint p = new GeoPoint((int) (lat * 1E6), (int) (lon * 1E6)); OverlayItem overlayitem = new OverlayItem(p, "Destination", ""); blackmarker.addOverlay(overlayitem); mapView.getOverlays().add(blackmarker); } }); // Setting Negative "NO" Button alertDialog.setNegativeButton("NO", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // Write your code here to execute after dialog Toast.makeText(getApplicationContext(), "You clicked on NO", Toast.LENGTH_SHORT).show(); dialog.cancel(); } }); // Showing Alert Message alertDialog.show(); }- OnsingeTapup
@Override
public boolean onSingleTapUp(MotionEvent arg0) { // TODO Auto-generated method stub
Log.i("SingleTap", arg0.toString());
GeoPoint geopoint = mapView.getProjection().fromPixels(
(int) arg0.getX(), (int) arg0.getY());
Geocoder geoCoder = new Geocoder(getBaseContext(), Locale.getDefault());
try {
List<Address> addresses = geoCoder.getFromLocation(
geopoint.getLatitudeE6() / 1E6,
geopoint.getLongitudeE6() / 1E6, 1);
String add = "";
if (addresses.size() > 0) {
for (int i = 0; i < addresses.get(0).getMaxAddressLineIndex(); i++)
add += addresses.get(0).getAddressLine(i) + "\n";
}
if (count == 0) {
info.setText("The location you have selected is" + "\n" + add
+ "\n" + "To confirm it longpress the location");
} else
Toast.makeText(getBaseContext(), add, Toast.LENGTH_SHORT)
.show();
} catch (IOException ioe2) {
ioe2.printStackTrace();
}
return true;
}
Additionally used a Overlay Class to place markers..
