Infobox on landfills in the Bing Maps Android SDK

I am using the Bing Maps Android SDK and I am looking for a way to click on the polygons I created and show the info box. I was able to accomplish this for a pushpin, but not for a polygon. I saw this answer , but my application will need hundreds of such polygons, and I'm looking for a faster solution using the addHandler method on polygons. I know that this is possible for the flavor of AJAX v7 SDK, which is the base base of the Android SDK.

The code I tried for the AJAX version (tested using this emulator.)

map.entities.clear(); 
latlon = map.getCenter(); 

var polygon = new Microsoft.Maps.Polygon([new Microsoft.Maps.Location(latlon.latitude, latlon.longitude-0.15), new Microsoft.Maps.Location(latlon.latitude+0.1, latlon.longitude-0.05), new Microsoft.Maps.Location(latlon.latitude+0.1, latlon.longitude+0.05), new Microsoft.Maps.Location(latlon.latitude, latlon.longitude+0.15), new Microsoft.Maps.Location(latlon.latitude-0.1, latlon.longitude+0.05), new Microsoft.Maps.Location(latlon.latitude-0.1, latlon.longitude-0.05), new Microsoft.Maps.Location(latlon.latitude, latlon.longitude-0.15)], null);  
Microsoft.Maps.Events.addHandler(polygon, 'click', DisplayInfo);

map.setView( {zoom:10}); 
map.entities.push(polygon);

function DisplayInfo (e) {
    var vertices = e.target.getLocations();
    var verticeCenter = new Microsoft.Maps.Location(0,0);

    //Calculating location of center
    for (i=0; i<vertices.length-1; i++) {
        verticeCenter.latitude = verticeCenter.latitude + vertices[i].latitude;
        verticeCenter.longitude = verticeCenter.longitude + vertices[i].longitude;
    }
    verticeCenter.latitude = verticeCenter.latitude / (vertices.length - 1);
    verticeCenter.longitude = verticeCenter.longitude / (vertices.length - 1);
    defaultInfobox = new Microsoft.Maps.Infobox(verticeCenter, {width: 200, height: 50} );    
    map.entities.push(defaultInfobox);
}

BingMapsAndroid.js SDK, . , , hasHandler. , , , .

BingMapsAndroid.js:

this.PolygonTest = function() {
    _map.entities.clear(); 
    latlon = new Microsoft.Maps.Location(1,1); 
    console.log("Polygon test function");
    var polygon = new Microsoft.Maps.Polygon([new Microsoft.Maps.Location(latlon.latitude, latlon.longitude-0.15), new Microsoft.Maps.Location(latlon.latitude+0.1, latlon.longitude-0.05), new Microsoft.Maps.Location(latlon.latitude+0.1, latlon.longitude+0.05), new Microsoft.Maps.Location(latlon.latitude, latlon.longitude+0.15), new Microsoft.Maps.Location(latlon.latitude-0.1, latlon.longitude+0.05), new Microsoft.Maps.Location(latlon.latitude-0.1, latlon.longitude-0.05), new Microsoft.Maps.Location(latlon.latitude, latlon.longitude-0.15)], null);  

    try {
    Microsoft.Maps.Events.addHandler(polygon, 'click', function(e) { console.log("Polygon click!"); }); //This is never evoked
    Microsoft.Maps.Events.addHandler(_map, 'click', function(e) { var point = new MM.Point(e.getX(), e.getY()); var loc = e.target.tryPixelToLocation(point); console.log("lat: " + loc.latitude + ", lon: " + loc.longitude); });

    } catch(e) {
        alert("Error");
    }

    _map.setView( {zoom:10}); 
    _map.entities.push(polygon);

    if (Microsoft.Maps.Events.hasHandler(polygon,'click')) {
        console.log("Polygon has click handler."); //This works
    }

    //This function should be added to the click handler for polygon. I'll add it when I know the handler works.
    function DisplayInfo (e) {
        console.log("Polygon has been clicked.");
        var vertices = e.target.getLocations();
        var verticeCenter = new Microsoft.Maps.Location(0,0);
        for (i=0; i<vertices.length-1; i++) {
            verticeCenter.latitude = verticeCenter.latitude + vertices[i].latitude;
            verticeCenter.longitude = verticeCenter.longitude + vertices[i].longitude;
        }
        verticeCenter.latitude = verticeCenter.latitude / (vertices.length - 1);
        verticeCenter.longitude = verticeCenter.longitude / (vertices.length - 1);
        defaultInfobox = new Microsoft.Maps.Infobox(verticeCenter, { width: 200, height: 50 });
        _map.entities.push(defaultInfobox);
    }
}