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• Android tethering question

  - by Solignis

  Hi there, I have a Motorola Droid 1 with Android 2.2 on it. I found something odd that I don't understand why it works. If I plug my phone into my home computer which is Windows 7 and I turn on the tethering ability, I am met with a Verizon captive portal and it tells me I need to pay for a tethering plan (which I don't have). Now the weird thing, if I plug the same phone into my Ubuntu 10.10 laptop and enable tethering it works and can get on the internet with no captive portal showing up. The only thing I could notice that was different about the connections was Windows connected to the phone with an NDIS driver and Linux connected to the phone with what I think is a raw device mapping. Would that have anything to do with it?

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• Construire dynamiquement ses IHM Android, par Mathias Seguy

  Bonjour, J'ai le plaisir de vous présenter un tutoriel pour apprendre à construire dynamiquement vos IHM Android: Construire Dynamiquement ses IHM Android. Citation: Cet extrait du site Android2ee (les livres de programmation pour Android : « Android A Complete Course, From Basics to Enterprise Edition ») vous permet de comprendre comment construire dynamiquement une IHM. Il vous explique comment déclarer dynamiquement des compos...

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• What's the best way to create animations when doing Android development?

  - by Adam Smith

  I'm trying to create my first Android game and I'm currently trying to figure out (with someone that will do the drawings and another programmer) what the best way to create animation is. (Animations such as a character moving, etc.) At first, the designer said that she could draw objects/characters and animate them with flash so she didn't have to draw every single frame of an action. The other programmer and I don't know Flash too much so I suggested extracting all the images from the Flash animation and making them appear one after the other when the animation is to start. He said that would end up taking too much resource on the CPU and I tend to agree, but I don't really see how we're supposed to make smooth animations without it being too hard on the hardware and, if possible, not have the designer draw every single frame on Adobe Illustrator. Can an experienced Android game developper help me balance this out so we can move on to other parts of the game as I have no idea what the best way to create animations is.

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• How can I convert an image from raw data in Android without any munging?

  - by stephelton

  I have raw image data (may be png, jpg, ...) and I want it converted in Android without changing its pixel depth (bpp). In particular, when I load a grayscale (8 bpp) image that I want to use as alpha (glTexImage() with GL_ALPHA), it converts it to 16 bpp (presumably 5_6_5). While I do have a plan b (actually, I'm probably on plan 'e' by now, this is really becoming annoying) I would really like to discover an easy way to do this using what is readily available in the api. So far, I'm using BitmapFactory.decodeByteArray(). While I'm at it. I'm doing this from a native environment via jni (passing the buffer in from C, and a new buffer back to C from Java). Any portable solution in C/C++ would be preferable, but I don't want to introduce anything that might break in future versions of Android, etc.

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• Google I/O 2010 - A beginner's guide to Android

  Google I/O 2010 - A beginner's guide to Android Google I/O 2010 - A beginner's guide to Android Android 101 Reto Meier This session will introduce some of the basic concepts involved in Android development. Starting with an overview of the SDK APIs available to developers, we will work through some simple code examples that explore some of the more common user features including using sensors, maps, and geolocation. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 5 0 ratings Time: 54:34 More in Science & Technology

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• Google I/O 2010 - A JIT Compiler for Android's Dalvik VM

  Google I/O 2010 - A JIT Compiler for Android's Dalvik VM Google I/O 2010 - A JIT Compiler for Android's Dalvik VM Android 301 Ben Cheng, Bill Buzbee In this session we will outline the design of a JIT Compiler suitable for embedded Android devices. Topics will include an architectural overview, the rationale for design decisions and the special support for JIT verification, testing and tuning. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 3 0 ratings Time: 01:00:14 More in Science & Technology

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• GDD-BR 2010 [1F] Flexible Android Applications

  GDD-BR 2010 [1F] Flexible Android Applications Speaker: Fred Chung Track: Android Time slot: F[15:30 - 16:15] Room: 1 Level: 201 Android provides facilities to make flexible applications that work well for everyone on any piece of hardware running Android. This session will cover localization and internationalization, as well as how to write an app that can detect and adapt to the hardware and software resources available to it. From: GoogleDevelopers Views: 10 0 ratings Time: 37:47 More in Science & Technology

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• Connect android to database

  - by danny

  I am doing a school project where we need to create an android application which needs to connect to a database. the application needs to gain and store information for people's profiles on the database. But unfortunatly we are a little bit stuck at this point because there are numerous ways to link the application such as http request through apache or through the SOAP/REST protocol. But it's really hard to find good instructions or tutorials on the problem since I can't really find them. Maybe that's cause i'm probably using the wrong words on google. Unfortunately I have little relevant information. So if anyone can help me with finding relevant links to good online tutorials or howto's than those are very welcome.

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• Connecting Galaxy Note: Unable to mount Android Error initializing camera: -53: Could not claim the USB device

  - by Claudiu

  I'm running cm9 ics on my Galaxy Note and i tried anything i could find googleing around but to no result, if i look on the phone in usb settings there is the option for mass storage but it's grey and therefore not selectable I don`t know what the problem is but i saw somwhere that it might be an old version of libmtp so i tried to install libmtp 1.1.3 with ./configure make make install but even after when i try mtp-detect it gives me libmtp 1.1.1 is it normal? anyway when i run mtp-detect here is what it gives me libmtp version: 1.1.1 Listing raw device(s) Device 0 (VID=04e8 and PID=6860) is a Samsung GT-P7310/P7510/N7000/I9100/Galaxy Tab 7.7/10.1/S2/Nexus/Note. Found 1 device(s): Samsung: GT-P7310/P7510/N7000/I9100/Galaxy Tab 7.7/10.1/S2/Nexus/Note (04e8:6860) @ bus 2, dev 6 Attempting to connect device(s) ignoring usb_claim_interface = -99PTP_ERROR_IO: failed to open session, trying again after resetting USB interface LIBMTP libusb: Attempt to reset device ignoring usb_claim_interface = -99LIBMTP PANIC: failed to open session on second attempt Unable to open raw device 0 OK. Thanks in advamce

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• Android: Layouts and views or a single full screen custom view?

  - by futlib

  I'm developing an Android game, and I'm making it so that it can run on low end devices without GPU, so I'm using the 2D API. I have so far tried to use Android's mechanisms such as layouts and activities where possible, but I'm beginning to wonder if it's not easier to just create a single custom view (or one per activity) and do all the work there. Here's an example of how I currently do things: I'm using a layout to display the game's background as an image view and the square game area, which is a custom view, centered in the middle. What would you say? Should I continue to use layouts where possible or is it more common/reasonable to just use a large custom view? I'm thinking that this would probably also make it easier to port my code to other platforms.

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• Imap server woes with Android Gingerbread email and Thunderbird

  - by Mojo

  I run my own mail server and use UW's imapd/popd daemons to provide service. This week I just upgraded my OG Droid to a new Droid 3, running Android 2.3.4 (Gingerbread). The email client is much improved over the previous one. But now I have a bad interaction when I try to access email using imap from Thunderbird on a laptop or desktop. Frequently Thunderbird will stop receiving any email at all, and it will appear only on the Droid. Sometimes a Thunderbird restart will make the mail appear, but none of my "deletes" will be recorded, so when I start Thunderbird again, all my old email reappears. If I kill all of the open imap daemons and restart xinetd, I can force it to behave for maybe a session. I've tried turning off IDLE service (push email) on both sides, to no apparent avail. I've also tried installing DroidMail with the same result.

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• Microsoft Office enfin disponible sur Android, mais uniquement pour les abonnés Office 365

  Microsoft Office enfin disponible sur Android Mais uniquement pour les abonnés Office 365Le très attendu Office est enfin disponible sur Android, plus d'un mois après la publication d'une déclinaison pour iPhone.L'application est téléchargeable gratuitement, mais uniquement pour les personnes disposant d'un abonnement Office 365, et fonctionne sur les terminaux sous Android à partir de la version 4.0. Dans l'ensemble, il s'agit d'une application très complète, qui fonctionne aussi hors connexion et permet de consulter, éditer, stocker et partager ses documents Word, Excel et PowerPoint sur Android.

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• How can I convert an image from raw data in Android without any munging?

  - by stephelton

  I have raw image data (may be .png, .jpg, ...) and I want it converted in Android without changing its pixel depth (bpp). In particular, when I load a grayscale (8 bpp) image that I want to use as alpha (glTexImage() with GL_ALPHA), it converts it to 16 bpp (presumably 5_6_5). While I do have a plan B (actually, I'm probably on plan 'E' by now, this is really becoming annoying) I would really like to discover an easy way to do this using what is readily available in the API. So far, I'm using BitmapFactory.decodeByteArray(). While I'm at it. I'm doing this from a native environment via JNI (passing the buffer in from C, and a new buffer back to C from Java). Any portable solution in C/C++ would be preferable, but I don't want to introduce anything that might break in future versions of Android, etc.

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• Handle wiki from android phone

  - by cmbrnt

  I'm currently using Oddmuse wiki to document thing, both personal and work related. What I'd like to do is to find an android app along with a wiki engine which enables me to read and make changes to the wiki with my phone. Using only the browser is unintuitive and hard to use. Does anyone else do this? I'd rather use mediawiki or dokuwiki, but I don't knlw of any apps which can both display and let me log in to edit the wiki. Any tips would be great!

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• fragment shader directional light positioning with camera

  - by meWantToLearn

  Im trying to set up directional lighting in the fragment shader. So the direction of my light moves with the camera position. #version 150 core uniform sampler2D diffuseTex; uniform vec4 lightColour; uniform vec3 lightDirection; vec3 LNorm = normalize(lightDirection); vec3 normal = normalize(IN.normal); vec3 calColour = lightColour[i].rgb * intensity; gl_FragColor = vec4(diffuse.rbg * calColour, diffuse.a); It lights the entire scene.

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• What's the recommended way of doing a HUD for an android game?

  - by joxnas

  Basically the question is in the title. I'm creating a RTS game and I will need buttons like attack move / attack ground, etc. I am not using any engine. When people do games in OpenGL for android (my case), do they ever use android components to control the game or do they create their components in the game? What are the general recommended approach, if there's any? How about more complex components like scrolling lists of items , etc? I would also appreciate you to pair your answer with a brief comment about how was your experience using the approach(es) you describe. Thanks :)

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• Android : Oracle muscle sa plainte contre Google et déclare que 8 fichiers du code d'Android sont du code Oracle décompilé

  Android : Oracle muscle sa plainte contre Google Et déclare que 8 fichiers du code d'Android sont du code Oracle décompilé Mise à jour du 24/02/11, par Hinault Romaric Nouvel épisode dans l'affaire opposant Oracle et Google sur l'utilisation de Java dans Android. L'analyse de l'expert en logiciels libres Florian Mueller qui affirmait que Google aurait ouvertement copié du code Java sans les permissions nécessaires dans Android 2.2 et 2.3 (lire ci-avant) a permis à Oracle de muscler un peu plus sa plainte contre Google. Oracle a en effet adressé une nouvelle déposition au juge de la cour fédérale Williams Alsup pou...

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• Unable to install Android for Windows 7 because JDK is not found

  - by user1294663

  I have JDK SE7u4 installed in windows 7. I tried to install Android on Windows 7 using the installer_r18-windows.exe but no avail. The setup window showed the message saying that the Java SE JDK not found and ERROR: Failed to find Java version for C:\Windows\System32\java.exe The system cannot found the file specified. If you believe you have a JDK installed and it was not properly recognized, simply set an environment variable JAVA_HOME to point to it I right clicked on Computer Properties Advanced System Settings Environment variables. I created a NEW system variable called JAVA_HOME and set the value as C:\Program Files\Java\jdk1.7.0_04\bin or C:\Windows\System32\java.exe. I ran the installer again — the same error message still appeared.

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• How should I store a Game Database on Android?

  - by Liam

  I'm looking at creating a game for Android and while I have most of the ins and outs worked out, the one thing I'm struggling with is how to store data for the game. Ultimately, the game will be based off of a lot of pre-defined data and statistics so the obvious choice to me would be something like SQLite, but as I'm pretty new to the realm of Android and Game Development, I'm not 100% certain if this is the right route to follow. The data will be general pre-defined data as well as player data (along the lines of careers stats - what place finished, etc). I was wondering if there was a better/best practice solution that wasn't SQLite and that would provide said functionality and if so, could you point me in the right direction?

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• Ubuntu - Psychonauts - Camera involentarily listing to the right

  - by James

  I've recently purchased the Humble Bundle V and have been having an absolute riot with the games given. The one problem I'm running into though, is that whenever I launch Psychonauts and run a game, the Camera lists to the right slowly and I can't get it to stop. Strangely enough when I zoom in (with z), it lists to the left. I was wondering if anyone else had this problem and if there was a solution. Maybe it's even the mouse configs I currently have on the laptop that interacts strangely with 3D environments.

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• How much does it cost to develop an Android application?

  - by raychenon

  Following the same iPhone question. How much can a development team charge for an Android app like the official Twitter Inc ? In general how much amount of time is devoted to build the likes of Google Goggles , Google Skymap, Gmail with server side applications included :) Now if you're a solo developer and proud to show your app. How much time have you spent so far ? What was your background GUI desktop in Java, C#, web developer, started from zero programming experience ? Disclaimer : I've developed Android apps ( 10 000 downloads) on my free time and one commercial to be published. Just to know the amount of efforts needed to catch up :)

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• Take Camera Phone Macro Photos with a Cheap Laser Pointer Lens

  - by Jason Fitzpatrick

  Inside those cheap laser pointers you see in the grocery store checkout line there’s a handy little plastic lens that, when slapped on your phone’s camera, makes it easy to take macro photographs. In this tutorial, they take the lens from a laser point and secure it using tape and a bobby pin. An alternative method to achieve the same end (and with a higher quality lens) is to dismantle a CD/DVD drive to source the lens and use painter’s tape to hold the lens in place–this is the technique I used several years ago, check out the tutorial video here. Laser Pointer Macro Lens [via Apartment Therapy] How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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• Aero to Accelerate Android Application Development

  The mobile application development arena saw the dawn of a new mobile handset that capitalized on the rapid strides that have recently characterized the Android application development scene. The Aero is an Android handset unveiled by AT&T developed in the trusted stables of Dell. The Android smartphone has laid to rest all rumours that have floated around Dell's launch of their first Android device.

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• Problem downloading Android SDK?

  - by primehunter326

  So I'm trying to download the Android SDK for Windows from their website but it isn't working. The download seems to proceed without a hitch but something is wrong because the downloaded .zip is only 2-3 MB (size varies), MD5 doesn't match and the file won't open or extract. Obviously the download is corrupt but I have no idea why. A quick google didn't turn up anyone else with this problem to indicate that it might be on the server side. My connection is rock solid and I've never had issues with it so I'm not sure what it could be on my end. I tried downloading the linux version as well and tried using the alternate link, both to no avail. Having recently discovered this amazing community I thought I'd ask here. Any ideas?

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• rotate opengl mesh relative to camera

  - by shuall

  I have a cube in opengl. It's position is determined by multiplying it's specific model matrix, the view matrix, and the projection matrix and then passing that to the shader as per this tutorial (http://www.opengl-tutorial.org/beginners-tutorials/tutorial-3-matrices/). I want to rotate it relative to the camera. The only way I can think of getting the correct axis is by multiplying the inverse of the model matrix (because that's where all the previous rotations and tranforms are stored) times the view matrix times the axis of rotation (x or y). I feel like there's got to be a better way to do this like use something other than model, view and projection matrices, or maybe I'm doing something wrong. That's what all the tutorials I've seen use. PS I'm also trying to keep with opengl 4 core stuff. edit: If quaternions would fix my problems, could someone point me to a good tutorial/example for switching from 4x4 matrices to quaternions. I'm a little daunted by the task.

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