Hi, You can use the invalidate(int left, int top, int right, int bottom) or the invalidate(Rect dirty) methods to invalidate a clip area: http://code.google.com/android/reference/android/view/View.html#invalidate(int,%20int,%20int,%20int)
For sample code, check out the drawPoint() method inside the TouchPaint class in APIDemos http://code.google.com/android/samples/ApiDemos/src/com/google/android/samples/graphics/TouchPaint.html private final Rect mRect = new Rect(); mRect.set(left,right,top,bottom); invalidate(mRect); Thanks, Megha On Mon, Mar 24, 2008 at 7:25 PM, bocol <[EMAIL PROTECTED]> wrote: > > I want to draw a specific area on a big View, but it will redraw all > the area after call invalidate(). How can I set a clip area to make > draw more efficiently? Thx! > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
