dianne , what about launchperf in the samples directory
On Thu, Apr 23, 2009 at 8:29 PM, Dianne Hackborn <hack...@android.com>wrote: > There is a log printed with the time to launch an activity -- look at adb > logcat. I also think there is a more structured event log you can see with > adb logcat -b events. > > > On Thu, Apr 23, 2009 at 6:56 PM, Chai <jandhyalachaita...@gmail.com>wrote: > >> >> Hi , >> >> For application UI performance measurement, We have a requirement to >> know the time it takes to show the app on the display screen , after >> the intent is fired to launch the application i.e. Letsay I have 1000 >> contacts in my database, I want to know how much time does the >> application take to lauch(or show it on the screen) when we launch the >> contacts app. We are launching the activity thru ADB and getting the >> timestamp on when we launched, we wanted to know when it is rendered >> on the screen.. Is there anyway that we can know this information from >> WindowManager or SurfaceFlinger ? If yes, how can we get this >> information.. Pls let us know. >> >> Regs, Chaitanya >> >> On Mar 17, 4:34 pm, Dianne Hackborn <hack...@android.com> wrote: >> > Because the window manager is responsible for organizing the screen, >> > applications don't get to decide that. The window manager allocates >> > surfaces and decides where they go and how they are layered; it never >> > touches their bits, which is up to the application. >> > >> > >> > >> > On Tue, Mar 17, 2009 at 3:21 PM, Videoguy <puri_mall...@yahoo.com> >> wrote: >> > >> > > A surface is basically a pointer to block of memory. Why does a >> > > separate process (i.e. Window Manager) have to create it? Why not the >> > > activity itself create it? >> > >> > > Does Window manager need access to that memory? >> > > If so, why? >> > >> > > Just curious. >> > >> > > Thanks >> > > Videoguy >> > >> > -- >> > 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. All such questions should be posted on public >> > forums, where I and others can see and answer them. >> >> > > > -- > 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-framework" group. To post to this group, send email to android-framework@googlegroups.com To unsubscribe from this group, send email to android-framework+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-framework?hl=en -~----------~----~----~----~------~----~------~--~---