Good point, you can use that as an example of writing instrumentation
against an .apk and how you can do timing with the operations.

On Thu, Apr 23, 2009 at 9:31 PM, dan raaka <danra...@gmail.com> wrote:

> 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.
>>
>>
>>
>>
>>
>
> >
>


-- 
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.

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