You should not use the size of the Canvas but the size of the View
itself. Instead of canvas.getWidth(), use getWidth(). Do the same for
getHeight().
On Thu, Oct 23, 2008 at 7:12 PM, bw <[EMAIL PROTECTED]> wrote:
>
> To simply debugging of my custom View, I'm trying to draw a border
> around it so I can see its exact size/position.
> The left and right sides of the border draw correctly, but the top and
> bottom end up outside the screen by about 50 pixels.
> My guess is that canvas.getHeight() isn't accounting for the
> notification bar at the top. What am I doing wrong?
>
> Here's my code:
>
> protected void onDraw(Canvas canvas)
> {
> super.onDraw(canvas);
>
> Log.w("", "canvas bounds:" + canvas.getClipBounds() + ", width/
> height: " + canvas.getWidth() + ", " + canvas.getHeight());
>
>
> //draw border
> canvas.drawLine(0, 0, canvas.getWidth(), 0, mBorderPaint);
> canvas.drawLine(canvas.getWidth(), 0, canvas.getWidth(),
> canvas.getHeight(), mBorderPaint);
> canvas.drawLine(canvas.getWidth(), canvas.getHeight(), 0,
> canvas.getHeight(), mBorderPaint);
> canvas.drawLine(0, 0, 0, canvas.getHeight(), mBorderPaint);
> }
>
>
> Here's the output of the log statement:
>
> 10-24 02:01:35.488: WARN/(1300): onDraw called: canvas bounds:Rect(0,
> 0, 320, 430), width/height: 320, 480
>
>
>
>
> >
>
--
Romain Guy
www.curious-creature.org
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