Please don't do this. I expect that we won't be using the bitmap from there, which means you will end up with a blank thumbnail.
On Mon, Apr 16, 2012 at 11:26 AM, Brett <bnotting...@gmail.com> wrote: > Actually I found the solution, there are actually two. > > If you call: > > getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE); > > Then the preview image will always be black in the task switcher > unless you override the activity method: > public boolean onCreateThumbnail(Bitmap outBitmap, Canvas canvas) > > This will let you provide any thumbnail that you want when your task > goes to the background. > > On Apr 12, 5:58 pm, Brett <bnotting...@gmail.com> wrote: > > In ICS especially, there is a new was to switch tasks like the old way > > of holding down the home key. Now you see a list of your recent tasks > > with their corresponding images of the last view you were on. > > > > Is there any way to programmatically update this image for your task? > > I have a situation where I get background information and want to > > update the view. I haven't been able to find anything on how this > > image is populated online. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en