but i get the same error if i just pick a potion of the screen
screenshot = Bitmap.createBitmap(mView.getDrawingCache(),
100,100,100,100);
or try to pass it exact size
screenshot = Bitmap.createBitmap(mView.getDrawingCache(),
mView.getLeft(), mView.getTop(),
mView.getMeasuredWidth(), mView.getMeasuredHeight());
any suggestions?
On Jan 14, 1:25 am, Romain Guy <[email protected]> wrote:
> Yes, you are creating a drawing cache that the system has decided is
> too large. In such a situation, the returned drawing cache is null.
> You have to account for this.
>
>
>
> On Tue, Jan 13, 2009 at 5:34 PM, srajpal <[email protected]> wrote:
>
> > I am having an issue when trying to save a screen shot of a view to a
> > file.
>
> > I am using the following code to save the bitmap
>
> > Java:
>
> > Bitmap screenshot;
>
> > mView.setDrawingCacheEnabled(true);
> > screenshot = Bitmap.createBitmap(mView.getDrawingCache());
> > mView.setDrawingCacheEnabled(false);
>
> > try {
> > FileOutputStream fos = new FileOutputStream("/sdcard/
> > test.png");
> > screenshot.compress(Bitmap.CompressFormat.PNG, 100, fos);
> > fos.close();
> > } catch (FileNotFoundException e) {
> > Log.d("FileNotFoundException: " + e.getMessage());
> > } catch (IOException e) {
> > Log.d("IOException: " + e.getMessage());
> > }
>
> > it works fine unless i put the following in my onCreate() to make sure
> > I am in full screen mode
>
> > Java:
>
> > getWindow().setFlags
> > (WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
>
> > when that code is in there I get a NullPointerException at createBitmap
> > ()
> > does anybody know why this would be happening?
> > _________________
> > --
> > Sunny
>
> --
> Romain Guy
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time
> to provide private support. All such questions should be posted on
> public forums, where I and others can see and answer them
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