onDraw calling frequently.

Question

hello guys,

i have a method which displays a map. i call this method in onDraw method. but on Action move i need to redraw the map and need to call that method again but i am not getting canvas reference to redraw the map tiles. i used invalidate method but it start refreshing the onDraw frequently which made my map movement too to slow..

here is my onDraw method.

protected void onDraw(Canvas canvas)
        {   
            Log.i("On Draw Call", "On Draw call");
            mapMaker.getMapForScreenArea(map.getiScrnArea(), mapType, input, canvas);

            invalidate();
            this.canvas = canvas;
        }

any help will be appreciative. thanks a lot.