EventosItemizedOverlay.java

package com.geored.gui;

import java.util.ArrayList;
import java.util.Hashtable;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import com.geored.rest.data.Notificacion;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;

public class EventosItemizedOverlay extends ItemizedOverlay {

	private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>();
	private Context mContext = null;
	protected Hashtable<String, Notificacion> hashNotificaciones = new Hashtable<String, Notificacion>();

	public EventosItemizedOverlay(Drawable defaultMarker, Context context) {
		super(boundCenterBottom(defaultMarker));
		mContext = context;
	}

	public void addOverlay(OverlayItem overlay) {
		mOverlays.add(overlay);
		populate();
	}

	public void clear() {
		mOverlays.clear();
		populate();
	}

	@Override
	protected OverlayItem createItem(int i) {
		return mOverlays.get(i);
	}

	@Override
	public int size() {
		return mOverlays.size();
	}

	@Override
	protected boolean onTap(int index) {

		OverlayItem item = mOverlays.get(index);
		final String id = item.getSnippet();
		AlertDialog.Builder dialog = new AlertDialog.Builder(mContext);
		final Notificacion notificacion = hashNotificaciones.get(id);
		dialog.setTitle(notificacion.getNombre());
		dialog.setMessage(notificacion.getDescripcion());

		// Setting Positive "Yes" Button
		dialog.setPositiveButton("VER", new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int which) {
				// Write your code here to invoke YES event
				
				Intent intent = new Intent(mContext, EventosActivity.class);
				intent.putExtra("eventoId", notificacion.getId());
				intent.putExtra("eventoNombre", notificacion.getNombre());
				intent.putExtra("eventoDescripcion", notificacion.getDescripcion());
				/*intent.putExtra("eventoComienzo", notificacion.get);
				intent.putExtra("eventoFin", notificacion.getId());*/
				mContext.startActivity(intent);

			}
		});

		// Setting Negative "NO" Button
		dialog.setNegativeButton("NO", new DialogInterface.OnClickListener() {

			public void onClick(DialogInterface dialog, int which) {
				// Write your code here to invoke NO event

				dialog.cancel();
			}
		});

		dialog.show();
		return true;
	}

}