why this happens? is this an android system's bug or am i using SurfaceView in a wrong way?
On Fri, Jun 24, 2011 at 5:11 AM, Dianne Hackborn <[email protected]> wrote: > Getting stuck in lockCanvas() has nothing to do with creating a new > Canvas... > > On Thu, Jun 23, 2011 at 1:51 PM, Baodong Chen <[email protected]> > wrote: >> >> Hi All: >> Can anyone be so kind to give me an example to show how to used new >> Canvas() to create my own Canvas object >> and how to use it to draw something like a Bitmap and the show my >> Canvas object on device's display? >> I want to do this becasue in my APP, i am doing follows in a native >> thread through JNI call: >> Canvas c = mSurfacerHolder.lockCanvas() ; >> c.dramBitmap(); >> mSurfacerHolder.unlockCanvasAndPost(); >> >> and on some devices,sometimes my APP freezed, and I found my draw >> thread is freezed in lockCanvas() call. >> >> >> best regards, thanks! >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en > > > > -- > Dianne Hackborn > Android framework engineer > [email protected] > > 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 [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
