Android :: Physics Engine With Great Demos
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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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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May 2, 2009
As far I see the API demos sources are not a part of latest 1.5 SDK. Can I download it somewhere?
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Jan 29, 2009
How do I get Maps and API Demos back in Cupcake? Is there a different way to push data onto an emulated sd card I use adb push <source path> /sdcard/<filename> but it is not putting data on the card it gives me like a help screen will all the available variation of "adb" when i use it.
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Apr 3, 2010
I'm using the progress dialog example from Android API Demos AlertDialogSamples.java (case DIALOG_PROGRESS). After the orientation changed the dialog is freezing with no progress anymore.
What should I change to make the example working properly after orientation change?
The piece of code is following:
CODE:...................
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Apr 8, 2009
I am trying to run API-Demos.apk in the zoom board. But it seems, the APK is not getting installed properly. I have compiled the CodeBase using Eclipse, and source is been taken from Android SDK 1.0.
Please let me know, how can i run the application on zoom board.
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Aug 3, 2010
TranslucentActivity.java doesn't do anything. There is no translucence, nothing special about it. It just shows an activity screen.
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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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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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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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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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May 17, 2010
Looking for a great app that will allow me to selectively turn off anything that would beep or ring during the night but perserve at least two things:
1. Phone - in case the family has an emergency.
2. Alarm - so I do not lose my job.
Facebook, tweets, reminders, etc. need to be turned off.
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Jun 6, 2010
As the title sates what apps should i get i have the htc evo and im looking for a great theme/launcher. alas sadly slidescreen wont work on sense 2.1 nor will LauncherPro.
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Aug 31, 2010
Great app! You can set almost everything from this one app. Ringer, media, notifications volume. Screen brightness. Toggle WiFi and GPS, check battery strength, turn on LED or screen for flashlight. etc. Remove those butt-ugly toggles from your screen
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Jun 30, 2010
This doesn't have much to do with Android per se, but can anyone recommend me some great tech podcasts? Maybe even an Android-focused one too.
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Apr 16, 2010
This isn't a /major/ problem but it will irritate me if I can't find a solution! How can I get rid of all the game demos that Orange have so thoughtfully installed on my Desire? I've had a look in Settings > Applications but the Uninstall option for these doesn't show up.
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Oct 18, 2010
I'm interested in developing an android application that will display a globe of some sort like Google Earth. I've never used opengl or have any experience with graphic programming so I'm here to learn some basics. Now, I know there are things like the Unity or Ogre that help facilitate graphics but what exactly do I gain from using these engines as opposed to just using opengl api to render graphics? Why do you use engines like Ogre as opposed to straight up opengl?
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May 17, 2010
I am new to android development. Why is it that the screen looks great on a test avd but when I deploy the app to my Droid everything is off and really small?
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Dec 4, 2009
Orange is looking forward to talking to you at LeWeb(Paris, 9th and 10th of December)showing you the new on-device App Shop client, and hearing all about your apps. If you're in Paris next week, come and see us.Can't attend LeWeb? Come and talk to us now on the new Orange App Shop Developer Community Platform..All the questions you've always want to ask Orange are just a few clicks away. Join us and also talk to a 100 other developers in the platform.
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Dec 26, 2009
I've been working for the past couple of days to allow users to login to an android app with their gmail account and pass the authentication token to my app hosted on app engine - so i can download xml from my web services hosted on app engine as if the user logged into the app directly. There is a lot of info on ways to get the google auth code and the auth cookie and then pass the cookie in the header of an http request - but no info out there on doing all of this from android and going as far as to add the cookie to the remaining http requests. So, now that's it's working, i thought i'd compile it all together and post the solution here in my blog - enjoy.
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Aug 16, 2010
I'm just starting into Android game development, and I'm looking into using an open-source game engine as the foundation of some of my ideas. Does anyone have any favorites? So far, AndEngine looks the most promising...I've also looked at Rokon. Any other notable engines I should be looking at.
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May 7, 2010
I am trying to implement text to speech by following this article on the Android Developers Blog. It suggests the following code for installing text to speech data if it is not supported.
CODE:...........
This throws an Exception:
ActivityNotFoundException: No activity found to handle Intent
However, I am using the code here to determine the the intent is actually supported. Here is the list representation:
[ResolveInfo{43cc5280 com.svox.pico.DownloadVoiceData p=0 o=0 m=0x108000}]
Why doesn't this work?
Update
I don't know why, but it seems to work now.
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Aug 16, 2010
In general, I'm very impressed with Android's default text to speech engine (i.e., com.svox.pico). As expected, it mispronounces some words (as do I) and it therefore occasionally needs some pronunciation guidance. So I'm wondering about best practices for phonetically spelling out those words that the pico TTS engine mispronounces. For example, the correct pronunciation of the bird Chachalaca is CHAH-chah-LAH-kah. Here is what the TTS engine produces: mTts.speak("Chachalaca", TextToSpeech.QUEUE_ADD, null); // output: chuh-KAL-uh-KUH mTts.speak("CHAH-chah-LAH-kah", TextToSpeech.QUEUE_ADD, null); // output: CHAH-chah-EL-AY-AYCH-dash-kuh mTts.speak("CHAHchahLAHkah", TextToSpeech.QUEUE_ADD, null); // output: CHA-chah-LAH-ka mTts.speak("CHAH chah LOCKah", TextToSpeech.QUEUE_ADD, null); // output: CHAH-chah-LAH-kah Here are my questions. Is there a standard phonetic spelling recognized by the Android TTS engine? If not, are there some general rules for making custom pronunciation spellings that will make the spellings more likely to be correct in future TTS engines/versions? It appears that the Android TTS engine ignores text case. What is the best way to specify emphasis?
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Jan 18, 2010
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Nov 5, 2009
I'm currently working on a project that uses Google App Engine as a server. I see that prior to the Android 2.0 SDK there was no way to directly access a user's Google Account information for the purposes of authentication. Do the new Account Manager APIs now make it possible to automatically log a user into a GAE app? Is anyone else working on something like this? Are there any publicly available examples on how to accomplish this?
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Apr 29, 2010
I've just released version 0.2 of Gamine, an open source 3D game engine for Android devices: This release adds lots of major features, including particle effects, OBJ file import, picking, text rendering, transparent rendering, and more. Although it's still a very early version, I believe it is now complete enough to be used for real games. So give it a try, and I'd really appreciate any feedback about it.
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Oct 5, 2009
I am working on an app that uses the SoundPool class to play sounds. Basically every n milliseconds I need to play up to 16 sounds and I need this to be as steady as possible. The best solution I found so far is to use a java.util.Timer and the scheduleAtFixedRate method (setting also a THREAD_PRIORITY_URGENT_AUDIO in the TimerTask run method), the result is pretty good but it is still not perfect and sometimes the executions get slightly delayed. Is there some other way I should try to play sounds _exactly_ every n milliseconds? Different threads, some kind of optimization, stuff like this?
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