To Quartz: How do you prevent triggering of the GC?
On Mon, Mar 30, 2009 at 7:33 PM, Quartz william.qua...@gmail.com wrote:
I did an android game using just the SurfaceView and it performs
fairly decent (it averages 50-to-60 fps). It was a simple game I put
together to benchmark the VM. It
He's probably talking about not doing allocations in his game. He
can't stop GC from being triggered in other processes, and thus
stuttering his game.
On Tue, Mar 31, 2009 at 10:35 AM, Agus agus.sant...@gmail.com wrote:
To Quartz: How do you prevent triggering of the GC?
On Mon, Mar 30, 2009
Hi,
You are mistaking two different things. Some Java ME phones have a
dedicated chip used to interpret the Java bytecode. OpenGL
acceleration is another thing entirely. The G1 has a dedicated GPU
that can be used to accelerate OpenGL. Any Android OpenGL application
benefits from that hardware
From what i know, most of the Java/J2ME phones use the chipsets
acceleration functions (some mobilephone CPUs are optimized for java
accerlration in 2d/3d games). But since Android is not based on Java/
J2ME, it doesn't support this acceleration (even though the CPU used
in the G1 supports Java
There is no magic in GridView and ListView. In fact there is really
anti-magic -- these are not designed in any way to operate like one would do
things in a game. The only thing they do at all special is take advantage
of tricky features of the view hierarchy to be able to scroll their views
On Mon, Mar 30, 2009 at 10:36 AM, admin.androidsl...@googlemail.com
admin.androidsl...@googlemail.com wrote:
Why is it a problem? Because there is not a single game in Android
Market that features smooth scrolling backgrounds. Games may not be
the only app needed, but they certainly need to
Thanks for the response.
Side scrolling is a very commonly used game engine and I believe that
the platform needs better examples of this. Obviously other graphic
engines are needed too, e.g. OpenGL - but I think getting good
performance out of 2d graphics will be a very good start for many
On Mar 30, 4:10 am, David Turner di...@android.com wrote:
On Mon, Mar 30, 2009 at 10:36 AM, admin.androidsl...@googlemail.com
Also, Android is not a game console per se, and survival of the platform
will depend much more on the
usefulness of the applications that run on it, the
So what I am saying is there is some magic in the GridView / ListView
code which allows for smooth scrolling which games on Android platform
desperately need. Despite going through the source code extensively I
cannot discover what is needed to apply this to a game engine.
GridView and
On Mon, Mar 30, 2009 at 2:14 AM, admin.androidsl...@googlemail.com
admin.androidsl...@googlemail.com wrote:
Thanks for the response.
Side scrolling is a very commonly used game engine and I believe that
the platform needs better examples of this. Obviously other graphic
engines are needed
I find this more depressing than otherwise. So whoever wrote those
views wasn't happy with the system's response either and had to
optimize. Doesn't bode well for the side-scrollers.
On Mar 30, 10:07 am, Romain Guy romain...@google.com wrote:
GridView and ListView don't use any magic. They
Unless you're trying to build your side-scroller using multiple nested
layouts and dozens of textviews, it's completely irrelevant.
On Mon, Mar 30, 2009 at 9:45 AM, Sundog sunns...@gmail.com wrote:
I find this more depressing than otherwise. So whoever wrote those
views wasn't happy with the
I wrote a large part of those views and it seems perfectly normal to
me for the framework to do everything it can to provide with the best
user experience. And that includes optimizing. Using bitmaps not only
makes things faster it also helps performing less operations, which
helps battery life
I will try to code a demo which does side scrolling tonight, but I
don't know opengl, so I won't use it.
My phone is getting worse every day (I haven't used it as phone as a
matter of fact for a while) but in case it does manage to show smooth
scrolling, in the 5 seconds idle period, when it's
Thanks Stoyan - I look forward to trying out your code. Very much
appreciated.
On Mar 30, 8:30 pm, Stoyan Damov stoyan.da...@gmail.com wrote:
I will try to code a demo which does side scrolling tonight, but I
don't know opengl, so I won't use it.
My phone is getting worse every day (I
I think you should learn OpenGl (even for 2D games). I haven't tried
it on Android yet but I image you can get much better results by doing
your animation using it than by doing drawing using the android APIs.
Off the top of my head, I don't know the hardware specs of the G1 but
if it is anything
On Tue, Mar 31, 2009 at 4:29 AM, dm1973 david050...@gmail.com wrote:
I think you should learn OpenGl (even for 2D games). I haven't tried
it on Android yet but I image you can get much better results by doing
your animation using it than by doing drawing using the android APIs.
Off the top
I did an android game using just the SurfaceView and it performs
fairly decent (it averages 50-to-60 fps). It was a simple game I put
together to benchmark the VM. It is certainly not the best rated game
out there--actually it is one of the worst come to think of it-- :),
but it does have smooth
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