I want make an effect,
first I call postInvalidate(), I draw a Rect with width = 200 and height = 200,
then i make width = width/2,and height = height /2, and recall postInvalidate
I want a samll Rect(w=100,h=100) draw on a big Rect(w=200,h=200)
but the System redraw the whole screen, the big Rect disappear
is anybody know how to draw a image without redraw a whole screen?
i already try clipRect(); But it seems useless
THX for all your help