Android :: How To Get Physics Engine Runs Smoothly In Phone?
Mar 30, 2009
Does anyone know of, or have implemented, a physics engine which runs smoothly in Android? I have spent the last couple of days trying Phys2D and JBox2D, however both perform very poorly - I am struggling to get even a few objects to simulate smoothly as frequent garbage collection spoils it. One question I do have is will these run smoother on an actual G1 device or is the performance of the emulator accurate?
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Oct 24, 2010
I am a newbie "thinking" of writing a physics game app. I did see some engines, but most of them have no good demos or docs. So can you guys please point me to any physics engine with lot of demos/sample codes?
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Jun 23, 2009
I've looked around for a physics engine that will play nicely with Android, but I've only been disappointed. In terms of performance, I had heard that jbox2d was the best bet, but (from my understanding) ever since Android SDK V1.0, the Dalvik VM's verifier has become very strict and rejects some of the key classes and refuses to run. This problem persists after using the dx tool (although I might be using the tool improperly). I know that the AndroidBox2D porting project exists to optimize jbox2d for the Android garbage collector, but the project page doesn't have any downloads and the gpl license isn't as attractive as the zlib license of the original. Does anyone have any tips for making jbox2d work in Eclipse, or have any recommendations for where I should start looking?
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Oct 9, 2009
I want to try any physics engine for 2D and 3D in Android. So far I have learn that JBullet and JBox2d can be used, and JBox2d is a better one among them. But there in not much available documentation available and it even uses some concepts which are not supported by Android like Applets.Even some posts in various forums suggested that there are still no ideal physics engines available for Android. Are there any plans for implementing specific physics engines for Android? Can OpenGL be used for these ? Help me out in deciding which physics engine is best suitable for Android.
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Jan 7, 2012
i have to try the app "Andro Remote Desktop",but i thought it was poor and less of the function.Is there have a more practical app to function it?
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Apr 15, 2010
In college, my senior project was to create a simple 2D game engine complete with a scripting language which compiled to bytecode, which was interpreted. For fun, I'd like to port the engine to android. I'm new to android development, so I'm not sure which way to go as far as deploying the engine on the phone. The easiest way I suppose would be to require the engine/interpreter to be bundled with every game that uses it. This solves any versioning issues. There are two problems with this. One: this makes each game app larger and two: I originally released the engine under the LGPL license (unfortunately), but this deployment strategy makes it difficult to conform to the rules of that license, particularly with respect to allowing users to replace the lib easily with another version. So, my other option is to somehow have the engine stand alone as an Activity or service that somehow responds to intents raised by game apps, and somehow give the engine app permissions to read the scripts and other assets to "run" the game. The user could then be able to replace the engine app with a different version (possibly one they made themselves). Is this even possible? What would you recommend? How could I handle it in a secure way?
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Jun 18, 2009
My game runs fairly well on my phone, but i want to increase the performance by using opengl. However currently i use the Canvas. I am a beginner in opengl. I have to port all my drawing code to opengl. However can somebody give me directions. For example how do i do the following in opengl:
c.save();c.scale(0.3f+scale, 0.3f+scale, width/2, height/2) c.drawBitmap( bMsg.bitmap, width/2 - bMsg.bitmap.getWidth()/2,dy+height/2 - bMsg.bitmap.getHeight()/2, MESSAGE_PAINT);c.restore();
And why cant i just use Canvas as an abstraction layer (facade) for opengl. An implementation of canvas could call the correct opengl methods in order to render. Why do i have to port all my code. I thought the canvas was a good abstraction interface to a drawing surface, why do i have to bother with opengl? It looks like this is possible, when is see the following contructor: "public Canvas (GL gl)" Also the this seems usefull. SURFACE_TYPE_GPU Surface type: creates a surface suited to be used with the GPU So what should i do? Re implementing the GamePainter completely and call opengl functions directly? Or is there some kind of abstraction mechanism, so that i can use OpenGL with just a few lines of code?
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Jun 28, 2010
I am hopefully getting an evo soon. Tomorrow if there are any available. Are there any games to download/buy from the market that have good physics. I saw demolished which doesn't look too bad. Any suggestions. Also any games that are very simple and well made that require nothing but for you to play repeatedly and beat a highs core you previously set.
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Nov 3, 2010
I have had shoddy internet lately in places that I should not. So I try to update my prl and profile and it just sits there saying "updating." When i cancel out, the phone moves super slow until I do a battery pull.I also can not enable 4g because it makes my EVO run super slow basically horrible.This is with 2.2.
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Apr 29, 2010
I'm on fabs rom..one of chevs kernels overclocked at 1.0ghz same setup i had on my last droid
i get phones run diff from one another but it seems to matter wat kernel i throw at this its running hotter and doing basic things like just some light browsing sometimes get the processor up to 42-44 c
any tips on something i can possibly try
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Sep 9, 2010
Looking for games/physics engines to use for mobile game development.
iPhone there is
Cocos2D
Android I've found
RokonAndroid
Just wondering if there are any others (better ones) that anyone knows of? Or any that are more cross-compatible?
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Jun 28, 2010
Are there any fun physics apps for android. Such as angry bird or ragdoll launcher available for the iphone/ipod? Also a game like fruit ninja where you play repeatedly for the sole purpose of beating a previous high score.
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Jul 11, 2012
is there any way of modding how the scrolling behaves?
i mean the scrolling in gb was smooth and had almost non-friction while in ics it stops faster-more friction...
is there a way of modding the friction and other stuff that are involved in the scrolling behaviour?(i mean the android general scrolling of lists and pages... not the app specific scrolling engines)
root app that can change scrolling physics and add new stuff like bounciness and some cool other behaviours like a way of changing the elasticity and touch filtering...)
the market is full of nonsense apps that are clones of other useless apps or just junk that no one cares about... it would be cool to have more tools to customize our systems!
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Nov 17, 2010
I was using the plus version of LP, but it seemed to run pretty slow on my phone. Usually with menu selections (aka widget selection, or app selection when long pressing on the screen). The widgets also didn't update properly etc.I'm curious though is it might of been some advanced settings that I didn't play with. I typically just did an install setup my dock and homescreen, but never touched the advanced settings.Does anyone have some advanced settings they could share? Also my phone isn't rooted, would that cause all the lag with it? Cause honestly TW runs fine.
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Oct 31, 2010
I have been enjoying playing a few physics based games lately. Can anyone recommend any others? These are what I have tried on android so far:
Space physics
Angry birds
Blow up
Shoot U
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Jun 22, 2009
I have lots of discrete points and want to link them together smoothly. How to do that? Is there any api to call ?
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Jul 23, 2009
I have used videoview to play mp4 formate movie, but when start to play it, the videoview can't play smoothly, that means there have a little lag,
but in the: http://developer.android.com/guide/appendix/media-formats.html the android support media formate have mp4..
the code is very simple,just like in the sample code...
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Apr 3, 2010
Space Physics is easily the most fun game I've ever played on my Android!! Maybe on anything actually.But I'm passed all 80 levels and now Idk what to do Is there anything close to the same, or the same type of game?
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Aug 10, 2010
I have ads that display on the top and bottom of the screen, and I'd like them both to slide off the screen smoothly, instead of just disappear. Is there some way to do this? They are both WebViews, if that makes any difference.
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Apr 12, 2010
I've been block by this question for about a week. I tried to implement a simple application: show a image, when user touch on screen, I want to create a GLSurfaceView to cover the previous image. Then show some 3D effects on this GLSurfaceView.
The logic is quite simple. But I have a serious problem. When GLSurfaceView comes out, the whole screen become black, after 1-2 seconds, the GLSurfaceView with texture shows up. Is there any way to make this smoothly? The 1-2 second black screen is really a bad user experience.
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Sep 17, 2010
I am downloading an array of photos from the net and showing a ProgressDialog with a loading circle. How to make ProgressDialog non-stop loading circle when I am loading a list of photos? But the loading circle will be lag / hang while the process is not finish. How to make the loading running smoothly?
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Sep 7, 2010
I have an app that has a portrait layout. When I rotate my phone into landscape, it loads another layout that is strictly landscape (it is displaying an ImageView). How can I make the transition from portrait to landscape animate smoothly?
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Sep 15, 2010
Does anyone know of an animation/method that can rotate an image around smoothly to face a point, such as where the user is touching?
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Feb 14, 2010
I am using the dolphin browser to connect to the internet. when I watch videos IE. you tube it lags pretty bad. Is there a way to get it to play videos more smoothly? I have a 3g connection.Is this normal for android phones?
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Jan 23, 2010
I have been noticing that my droid has been slowing down lately.I checked my advanced app killer at it says that I have 40M available when I have only a few apps running.It used to be around 80M.I have cleared cache from the browser and other apps.How much memory is needed to run these phones smoothly?How much total memory is on the phone?I have really enjoyed this site.I think I would be lost without it.
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Jan 12, 2013
Recently I've downloaded a game from google play Rail Rush but its lagging and showing pixels so i'm unable to play it. some solution to run it smoothly without any lag.
GT-S5302
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May 17, 2010
Is there a way to use your SD as RAM for smothley game play?
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Aug 1, 2010
This is an interesting post showing a flash game running flawlessly on the HTC Desire froyo update, it has a youtube video on it.Flash game running smoothly on HTC Desire - DroidOverflow.wonder what steve thinks about this . Let the flash gaming begin
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May 6, 2010
Just curious what you guys normally have freed up on your phones, since this is normally a way of speeding things up a bit. I've been reading today about how Task Killers are somewhat counter-intuitive and do not help with battery life. So I deleted and I'm now thinking about not having enough free memory... Figures.
Anyways, I'm 25mb right now, and I've hovered between there and about 125mb today. I'm curious what you guys are normally seeing. If I'm not using a task killer, is there something else you might recommend to keep things running smoothly?
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Jun 12, 2013
How to play 720p video smoothly on mxplayer?
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