I suggest you use what I told you. Direct access to the frame buffer has been a hack that kind-of works; it is not the correct way to take a screen shot, and as of 3.0 the command for taking a screen shot and internal Java implementation use a different mechanism that always qworks.
2012/2/15 sky tree <allen.chen...@msa.hinet.net> > Dear Sir: > > I found the same GPU type(SGX 540) in Nexus S and Galaxy nexus, > the I don't know why the Nexus S can work but Galaxy nexus can not. > Could you give me > > some suggestion and commend? > > thank you so much, > > BRs, > > Allen > > On 2月15日, 上午5時39分, Dianne Hackborn <hack...@android.com> wrote: > > This has never been guaranteed to work, because GPUs may not be able to > > give access to the frame buffer like that. Even in the cases when it did > > work, it could be corrupted since there was no control over the state of > > the frame buffer when reading it. > > > > This is why there is a shell command to do this, which DDMS uses, and is > > updated appropriately for the platform. Use the shell command. > > > > If you are running on 3.0+ and writing system code (which means you are > > posting to the wrong group anyway) you can use the mechanisms for that... > > but put this discussion in an appropriate group like android-porting. > > > > > > > > > > > > On Tue, Feb 14, 2012 at 1:40 AM, bluestar <bluestar8...@gmail.com> > wrote: > > > Dear Sir: > > > > > I use the source code from frameworks\base\cmds\screencap > > > to do screen capture > > > > > If using ScreenshotClient method, it is ok to get correct result > > > If using to open fb0, some phones will fail to get > > > > > Nexus S with Android 4.0.3 is OK > > > Samsung Galaxy S2 with Android 2.3.5 is OK > > > Galaxy Nexus S with Android 4.0.2 is failure > > > > > Do you give me some suggestion or hint for how to get right > > > result > > > by using to open fb0 for all phones? > > > > > Thank you! > > > > > BR, > > > Alan > > > > > -- > > > 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.- 隱藏被引用文字 - > > > > - 顯示被引用文字 - > > -- > 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
