View.getDrawingCache() can get the bitmap data,  but it will also displayed
on screen.

 I haven't figure out how to  get the bitmap  as while as  prevent it from
showing on the screen simultaneously.

2010/2/23 sheng wang <banxia...@gmail.com>

> Hi there,
>
> To any normal android Widgets based on View( Button ,TextView ...), I wanna
>  manipulate the bitmap data before it is drawn on screen. I have tried the
> onDraw(Canvas canvas) method, But when the programe hit the  onDraw(Canvas
> canvas) method, I think the bitmap has already been drawn to screen.
>
> If there is any way that I can get the bitmap data before it's drawn to
> screen, so I can prevent it from being displayed , but grab the data, put it
> on the intent  for some further use?
>
> Any help will be appreciated.
>
> Shawn.
>
>
>

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