How to create a marker tooltip showing Your current Location

[angelvini210]

Hi, My app is Friends and Family Loactor!! I want to create a tooltip on my nokia maps which will show my current location(i.e. Street address ) on that tooltip !!! I am using RevGeocoding which is showing me alert displaying the address of that particular location. but i want to show a tip which will display the street adresss as well as the time when tracked!!!


How can i do this? i have followed example provided on this link.. http://www.developer.nokia.com/Commu...xt_to_a_marker

but it did not help me!!!

plzz help asap!!

Thanks
Vinita!!!

[grahamhughes]

In what way did it not help? Did you try downloading the sample code and running that?

I'd suggest you get the example working, then figure out how to lift the necessary classes (TooltipComponent, TooltipText and TooltipRenderer) from the example MIDlet into your own.

Or, what problem are you having with the example?

Graham.

[angelvini210]

In what way did it not help? Did you try downloading the sample code and running that?

I'd suggest you get the example working, then figure out how to lift the necessary classes (TooltipComponent, TooltipText and TooltipRenderer) from the example MIDlet into your own.

Or, what problem are you having with the example?

Graham.

yaa i created a new project and tried running that example!! it is not giving me any error or sumthng but the tooltip showing the location info. is not being displayed!!!

[grahamhughes]

I'm running it now... you have to drag the blue marker into the centre of the screen for the caption to appear...

[Tiger79]

also are you running it on a device or on the emulator ? And if its on a device does it have GPS activated ?

[angelvini210]

I'm running it now... you have to drag the blue marker into the centre of the screen for the caption to appear...?

Yes sir it is working now!!! Thanks

[angelvini210]

I'm running it now... you have to drag the blue marker into the centre of the screen for the caption to appear...

Sir i am using the same code but i am getting the tooltip automatically attached with the marker at bottom.... but what if i want it on mouse press event what will i have to do?

[grahamhughes]

Please don't call me "sir"... I'm not your father.

I know what you mean... it's not a tiny example. And the Maps API isn't exactly "minimal".

I managed to get a simple example working. It's quite different from the other example code you've looked at, as I didn't try taking that code apart, I just started from scratch. And I'm not sure it does what you want. But take a look...

MapMidlet.java

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

import com.nokia.maps.common.ApplicationContext;

public class MapMidlet extends MIDlet implements CommandListener {
    
    private Map map;

    protected void startApp() throws MIDletStateChangeException {
        if (map == null) {
            ApplicationContext appcon = ApplicationContext.getInstance();
            appcon.setAppID("SomeId");
            appcon.setToken("SomeToken");
            
            Display display = Display.getDisplay(this);
            map = new Map(display);
            
            map.addMarker(53.2944, -2.75, "Home");
            
            map.addCommand(new Command("Exit", Command.EXIT, 0));
            map.setCommandListener(this);
            display.setCurrent(map);
        }
    }

    protected void destroyApp(boolean must) throws MIDletStateChangeException {
        // do nothing
    }

    protected void pauseApp() {
        // do nothing
    }

    public void commandAction(Command c, Displayable d) {
        if (c.getCommandType() == Command.EXIT) {
            notifyDestroyed();
        }
    }
}

Map.java

import java.util.Hashtable;

import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;

import com.nokia.maps.common.GeoCoordinate;
import com.nokia.maps.map.MapCanvas;
import com.nokia.maps.map.MapFactory;
import com.nokia.maps.map.MapObject;
import com.nokia.maps.map.Point;
import com.nokia.mid.ui.DirectGraphics;
import com.nokia.mid.ui.DirectUtils;

public class Map extends MapCanvas {
    
    private Hashtable captions = new Hashtable();
    private String currentCaption;

    public Map(Display display) {
        super(display);
    }
    
    public void addMarker(double latitude, double longitude, String caption) {
        MapFactory f = getMapFactory();
        GeoCoordinate coord = new GeoCoordinate(latitude, longitude, 0);
        MapObject marker = f.createStandardMarker(coord);
        getMapDisplay().addMapObject(marker);
        captions.put(marker, caption);
    }

    public void onMapContentComplete() {
        // do nothing
    }

    public void onMapUpdateError(String description, Throwable detail, boolean critical) {
        System.err.println(description + ": " + detail.getMessage());
    }

    protected void paint(Graphics g) {
        super.paint(g);
        if (currentCaption != null) {
            Font font = Font.getDefaultFont();
            g.setFont(font);
            DirectGraphics dg = DirectUtils.getDirectGraphics(g);
            dg.setARGBColor(0xccffffff);
            g.fillRect(0, 0, getWidth(), font.getHeight());
            dg.setARGBColor(0xff000000);
            g.drawString(currentCaption, 0, 0, Graphics.TOP | Graphics.LEFT);
        }
    }

    protected void pointerPressed(int x, int y) {
         Point p = new Point(x, y);
         MapObject marker = getMapDisplay().getObjectAt(p);
         currentCaption = (String) captions.get(marker);
         repaint();
    }

    protected void pointerReleased(int x, int y) {
        currentCaption = null;
        repaint();
    }
}

Graham.