Efficient Map Overlays in Android Google Map

Question

I want to do the following and am kind of stuck on these for a few days:

1. I was trying to draw polylines (I have encoded polylines, but have

Answer 1

Multiple number of drawable objects can be added to a single Overlay which can then be added to the map. Hence, drawing x number of overlay's for x number of objects wouldnt be necessary unless the objects are of different types. Code snippet.. .. Here, CustomPinPoint is my class which extends ItemizedOverlay

CustomPinPoint customPinPoint = new CustomPinPoint(drawable, Main.this);

OverlayItem tempOverLayItem = new OverlayItem(
    touchedPoint, "PinPoint", "PintPoint 2"); //Point One
customPinPoint.insertPinPoint(tempOverLayItem);
tempOverLayItem = new OverlayItem(new GeoPoint(
        (int)(-27.34498 * 1E6), (int)(153.00724 * 1E6)), "PinPoint",
    "PintPoint 2"); //Point Two
customPinPoint.insertPinPoint(tempOverLayItem);
overlayList.add(customPinPoint); //Overlay added only once