Hai Friends,

I am new to android...I have created custom view.In that i want to refresh and draw only a portion.How to do that?Since if i call invalidate it is refreshing and drawing the whole view.

I hope that someone has answered your question, but if they have not...

invalidate() or
invalidate(rect) or
invalidate(left, top, right, bottom)

are all the same, but some are with coordinates....
That is what you need.
-Roger