GoogleItemizedOverlay.java

package org.osmdroid.google.overlay;

import java.util.ArrayList;

import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;

import android.graphics.drawable.Drawable;

public class GoogleItemizedOverlay extends ItemizedOverlay {

	private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>();

	public GoogleItemizedOverlay(final Drawable aDefaultMarker) {
		super(boundCenterBottom(aDefaultMarker));
	}

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

	/**
	 * Use this method instead of
	 * {@link com.google.android.maps.OverlayItem#setMarker(android.graphics.drawable.Drawable)}
	 * to set a marker that is anchored center.
	 */
	public static void setOverlayMarkerCentered(final OverlayItem aOverlayItem, final Drawable aMarker) {
		aOverlayItem.setMarker(boundCenter(aMarker));
	}

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

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

	public void removeAllItems() {
		mOverlays.clear();
		// TODO do we need to call populate() here ???
	}
}