Thank you, Bob. I get very much cause of your help. I would research the windows manager service and if I have any result I would let you know.
Regards 2010/3/22 Bob Kerns <[email protected]> > If you're serious about doing this -- for example, you have some new > device with a larger screen, and you're looking to compete with the > iPad, then what you want is to ask in the android-porting group > instead of here. > > This group is about things using the SDK, and you can't do it in the > SDK. > > I think you're going to need two window managers, and a way of > arbitrating and routing events (including from any physical buttons) > to the appropriate one. > > And you're going to need scheduler changes. Right now, the foreground > activity gets priority. You probably want to maintain a similar > policy, but the definition of which activity gets priority gets a bit > more complicated. This may not involve actual changes to the > scheduler, but rather with how it gets informed about which activity > to give priority to -- but to get a quick response to a tap on the > other window, you may need to take further measures. > > If you sometimes use full screen, sometimes half, there's also issues > about communicating to apps what their size is, managing the > resources, deciding when to be full and when to be half, etc. > > I'd strongly suggest coordinating with the Android team on the > question. It's an architectural issue and an architectural change, and > you'd like to take it in a direction that is compatible with other > devices and future releases. You don't want to be stuck down the road > with a one-off version of the OS that can't run apps from the app > store, etc. > > I do think it's something that needs to be done at some point, to keep > up with hardware trends. > > On Mar 21, 11:28 pm, Michael Wu <[email protected]> wrote: > > Hi, all. > > > > I have a question about application excution. Generally, only one > activity > > could be excuted at the same > > time. > > > > Even though there are still other applications which is excuted in the > > background, there is still only one > > application could be showed on the screen display. > > > > ---------- > > | | > > | AP1 | AP2 is excuted in background. > > | | > > ---------- > > > > My question is, Is it possible to achieve double activity showing on the > > screen display by modifying the > > android framework? As the following picture, two applications are > > excuted and showed on the screen > > display at the same time. > > > > ----------- > > | AP1 | > > | | > > | AP2 | > > ----------- > > > > I have some ideas: > > 1. Change the scale of application into smaller size. > > 2. Modify the framework to activate another view activity. > > However, I am not sure how much effort should I pay on the second step. > Does > > anyone have some ideas > > to share with me? > > > > Regards > > Michael > > -- > 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]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > > To unsubscribe from this group, send email to android-developers+ > unsubscribegooglegroups.com or reply to this email with the words "REMOVE > ME" as the subject. > -- Michael Wu Quanta Computer Moblie Internet Device 2 BU Kueishan, Taoyuan, Taiwan [email protected] -- 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 To unsubscribe from this group, send email to android-developers+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.

