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• Creating reproducible builds to verify Free Software

  - by mikkykkat

  Free Software is about freedom and privacy, Open Source software is great but making that fully practical usually won't happen. Most Free Software developers publicize binaries that we can't verify are really compiled from the source code or have something bad injected already! We have the freedom to change the code, but privacy for ordinary users is missing. For desktop software there is a lot of languages and opportunities to create Free Software with a reproducible build process (compiling source code to always produce the exact same binary), but for mobile computing I don't know if same thing is possible or not? Mobile devices are probably the future of computing and Android is the only Open Source environment so far which accept Java for coding. Compiling same Android application won't result in the exact same binary every time. For Open Source Android apps how we can verify the produced binary (.apk) is really compiled from the source code? Is there any way to create reproducible builds from the Android SDK or does Java fail here for Free Software? is there any java software ever wrote with a reproducible build?

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• TV Antenna Helper Makes HDTV Antenna Calibration a Snap

  - by ETC

  If you’re rocking an Android device, TV Antenna Helper is a free tool that will help you orient your HDTV antenna for best signal strength. The free (ad-supported) application checks your location and lists all the HDTV stations within range. You can check signal strength, use compass bearings to help align the antenna with the stations you want to tune, and check additional information about the station and your orientation to it. It’s the kind of tool you won’t need everyday but when trotted out will save you tons of time and aggravation. Hit up the link below for more information and to grab a free copy for your Android device. TV Antenna Helper [Android Market via Addictive Tips] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper] N64oid Brings N64 Emulation to Android Devices Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform]

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• New way of integrating Openfeint in Cocos2d-x 0.12.0

  - by Ef Es

  I am trying to implement OpenFeint for Android in my cocos2d-x project. My approach so far has been creating a button that calls a static java method in class Bridge using jnihelper functions (jnihelper only accepts statics). Bridge has one singleton attribute of type OFAndroid, that is the class dynamically calling the Openfeint Api methods, and every method in the bridge just forwards it to the OFAndroid object. What I am trying to do now is to initialize the openfeint libraries in the main java class that is the one calling the static C++ libraries. My problem right now is that the initializing function void com.openfeint.api.OpenFeint.initialize(Context ctx, OpenFeintSettings settings, OpenFeintDelegate delegate) is not accepting the context parameter that I am giving him, which is a "this" reference to the main class. Main class extends from Cocos2dxActivity but I don't have any other that extends from Application. Any suggestions on fixing it or how to improve the architecture? EDIT: I am trying a new solution. Make the bridge class into an Application child, is called from Main object, initializes OpenFeint when created and it can call the OpenFeint functions instead of needing an additional class. The problem is I still get the error. 03-30 14:39:22.661: E/AndroidRuntime(9029): Caused by: java.lang.NullPointerException 03-30 14:39:22.661: E/AndroidRuntime(9029): at android.content.ContextWrapper.getPackageManager(ContextWrapper.java:85) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.internal.OpenFeintInternal.validateManifest(OpenFeintInternal.java:885) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.internal.OpenFeintInternal.initializeWithoutLoggingIn(OpenFeintInternal.java:829) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.internal.OpenFeintInternal.initialize(OpenFeintInternal.java:852) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.api.OpenFeint.initialize(OpenFeint.java:47) 03-30 14:39:22.661: E/AndroidRuntime(9029): at nurogames.fastfish.NuroFeint.onCreate(NuroFeint.java:23) 03-30 14:39:22.661: E/AndroidRuntime(9029): at nurogames.fastfish.FastFish.onCreate(FastFish.java:47) 03-30 14:39:22.661: E/AndroidRuntime(9029): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1069) 03-30 14:39:22.661: E/AndroidRuntime(9029): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2751)

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• Rendering a big game universe - bitmaps or vector graphics?

  - by user1641923

  I am new to an Android development, though I have much experience with Java, C++, PHP programming and a bit experience with vector graphics too (basic 3d Studio Max, Flash, etc). I am starting to work on an Android game. It is going to be a 2D space shooter/RPG, and I am not going to use any game engines and any 3D party libs. I really want to create a very large game universe, or even pseudo-infinite (without visible borders, as if it were a 2D projection of a sphere). It should include 10-12 clusters of 7-8 planets/other space objects and random amount of single asteroids/comets, which player can interact with and also not interactive background. I am looking for a least complicated aproach to create such a universe. My current ideas are: Simply create bitmaps with space scenery background so that they can be tiled seamlessly repeated and construct my 2D universe of this tiles, then place interactive objects (planets, other spaceships) on it. Using vector graphics. I would have a solid color background, some random background objects and gradients here and there. My problems here: Lack of knowledge of how well vector graphics is integrated in Android. Performance? Memory usage? Does Android manage big bitmaps well? Do all of the bitmaps have to be in memory during all game process? I am interested in technical details regarding each of the ideas and a suggestion, which I should go with.

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• Java and what to do with it

  - by SterAllures

  I've been browsing through several websites and several topics on this website. Now I'm just a starting programmer and I want to make a good decision. From what I understand is that Java is used alot for server stuff, and web applets but not really for computer applications running on a client, it's also used for Android programming and several other mobiles. I'm really interested in Android programming, I really love to program for mobile devices, in this case Android because I really think it has a lot of potential and I don't like the iPhone. If I want to program on Android I have to learn Java (aside from Mono). but if my decision changes over the next couple of years I don't think Java is the right language to get a job that programs computer applications. I think I get a job where I have to program server stuff, rather than computer applications. That's why I think C# is a good choice. I can program for Windows Phone 7 (I hope that will get big). and I have the feeling C# is more widely used for computer applications. so I think C# is more versatile looking at Mobile programming and computer programming. Or am I totally wrong thinking this?

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• Share text message on selected media

  - by Siddharth

  I want to share text data on player selected social media. Basically I want to implement functionality like following link represent for android. Send Text Content I want to give user a choice for sharing on Twitter, Facebook, Messaging, Gmail etc. Above link give proper guidance for my question. Here is code that work on android Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send."); sendIntent.setType("text/plain"); startActivity(sendIntent);Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send."); sendIntent.setType("text/plain"); startActivity(sendIntent); I don't know same functionality implementation in Unity. Basically at present I am targeting two platform for my game Android iOS I found answer for Android platform but I can't able to get answer of iOS platform. Share text message on selected media - Unity Forum Now I think my question is clear to all of you. So please help me to solve it.

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• Problem upgrading kernel on debian 3.1

  - by exhuma

  Hi, I have a quite old box in a remote server farm. So I have no direct access. Only remote SSH (and via SSH to a serial console). I haven't updated this box in ages. Now, whenever I want to install a new package, a dependency to glibc appears. Unfortunately, the install of glibc depends on a 2.6 kernel and I am running a venerable 2.4 kernel (one more reason to upgrade). The problem is, that the install of a new kernel has an indirect (over locales) dependency to glibc. So, to install glibc, I need a new kernel. For a new kernel, I need to upgrade glibc. Essentially I am blocked. What's the best way to proceed considering I have no "hardware" access? Here's a quick transcript of the upgrade process: [green:~]% sudo aptitude install linux-image-686 Reading Package Lists... Done Building Dependency Tree Reading extended state information Initializing package states... Done Reading task descriptions... Done The following packages are unused and will be REMOVED: gcc-4.3-base The following NEW packages will be automatically installed: dash libc6-i686 libparse-recdescent-perl linux-image-2.6-686 linux-image-2.6.18-6-686 module-init-tools yaird The following packages have been kept back: adduser apache2 apache2-mpm-prefork apache2-utils apache2.2-common apt apt-utils aptitude autoconf autotools-dev awstats base-files base-passwd [...snip...] util-linux vacation vim vim-common wamerican wbritish wget whiptail whois wwwconfig-common zlib1g The following NEW packages will be installed: dash libc6-i686 libparse-recdescent-perl linux-image-2.6-686 linux-image-2.6.18-6-686 linux-image-686 module-init-tools yaird The following packages will be upgraded: hotplug libc6 2 packages upgraded, 8 newly installed, 1 to remove and 277 not upgraded. Need to get 0B/22.7MB of archives. After unpacking 52.1MB will be used. Do you want to continue? [Y/n/?] Writing extended state information... Done Preconfiguring packages ... (Reading database ... 34065 files and directories currently installed.) Preparing to replace libc6 2.3.6.ds1-13 (using .../libc6_2.7-18lenny2_i386.deb) ... Checking for services that may need to be restarted... Checking init scripts... WARNING: init script for postgresql not found. [ --- libc6 config screen appears here --- ] WARNING: POSIX threads library NPTL requires kernel version 2.6.8 or later. If you use a kernel 2.4, please upgrade it before installing glibc. The installation of a 2.6 kernel _could_ ask you to install a new libc first, this is NOT a bug, and should *NOT* be reported. In that case, please add etch sources to your /etc/apt/sources.list and run: apt-get install -t etch linux-image-2.6 Then reboot into this new kernel, and proceed with your upgrade dpkg: error processing /var/cache/apt/archives/libc6_2.7-18lenny2_i386.deb (--unpack): subprocess pre-installation script returned error exit status 1 Errors were encountered while processing: /var/cache/apt/archives/libc6_2.7-18lenny2_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Ack! Something bad happened while installing packages. Trying to recover: dpkg: dependency problems prevent configuration of locales: locales depends on glibc-2.7-1; however: Package glibc-2.7-1 is not installed. dpkg: error processing locales (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: locales Reading Package Lists... Done Building Dependency Tree Reading extended state information Initializing package states... Done Reading task descriptions... Done Now, if I follow the instrunctions as promted I get the following. Note that I am using aptitude instead of apt-get to benefit from the better dependency tracking. I did try with apt-get first. But that let me to the same problem. [green:~]% sudo aptitude install -t etch linux-image-2.6.26-2-686 Reading Package Lists... Done Building Dependency Tree Reading extended state information Initializing package states... Done Reading task descriptions... Done E: Unable to correct problems, you have held broken packages. E: Unable to correct dependencies, some packages cannot be installed E: Unable to resolve some dependencies! Some packages had unmet dependencies. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following packages have unmet dependencies: linux-image-2.6.26-2-686: Depends: initramfs-tools (>= 0.55) but it is not installable or yaird (>= 0.0.13) but it is not installable or linux-initramfs-tool which is a virtual package. Any ideas?

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• SQL/Schema comparison and upgrade

  - by Workshop Alex

  I have a simple situation. A large organisation is using several different versions of some (desktop) application and each version has it's own database structure. There are about 200 offices and each office will have it's own version, which can be one of 7 different ones. The company wants to upgrade all applications to the latest versions, which will be version 8. The problem is that they don't have a separate database for each version. Nor do they have a separate database for each office. They have one single database which is handled by a dedicated server, thus keeping things like management and backups easier. Every office has it's own database schema and within the schema there's the whole database structure for their specific application version. As a result, I'm dealing with 200 different schema's which need to be upgraded, each with 7 possible versions. Fortunately, every schema knows the proper version so checking the version isn't difficult. But my problem is that I need to create upgrade scripts which can upgrade from version 1 to version 2 to version 3 to etc... Basically, all schema's need to be bumped up one version until they're all version 8. Writing the code that will do this is no problem. the challenge is how to create the upgrade script from one version to the other? Preferably with some automated tool. I've examined RedGate's SQL Compare and Altova's DatabaseSpy but they're not practical. Altova is way too slow. RedGate requires too much processing afterwards, since the generated SQL Script still has a few errors and it refers to the schema name. Furthermore, the code needs to become part of a stored procedure and the code generated by RedGate doesn't really fit inside a single procedure. (Plus, it's doing too much transaction-handling, while I need everything within a single transaction. I have been considering using another SQL Comparison tool but it seems to me that my case is just too different from what standard tools can deliver. So I'm going to write my own comparison tool. To do this, I'll be using ADOX with Delphi to read the catalogues for every schema version in the database, then use this to write the SQL Statements that will need to upgrade these schema's to their next version. (Comparing 1 with 2, 2 with 3, 3 with 4, etc.) I'm not unfamiliar with generating SQL-Script-Generators so I don't expect too many problems. And I'll only be upgrading the table structures, not any of the other database objects. So, does anyone have some good tips and tricks to apply when doing this kind of comparisons? Things to be aware of? Practical tips to increase speed?

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• How can I discover zeroconf (Bonjour) services on Android? I'm having trouble with jmDNS.

  - by Peter Kirn

  I'm working with a Droid / Android 2.0.1 and encountering an issue apparently many people have: I'm unable to discover services using the one pure-Java zeroconf library I know of, jmDNS. (Apple's Bonjour, while it works on Linux and Windows Java, I believe would be harder to port to Android because of reliance on native code.) I can create services, but not discover them. I'm trying to make sense of what's going on. There is an ongoing issue report here; related to multicast and IPv6, but seems to be throwing users of jmDNS, too: http://code.google.com/p/android/issues/detail?id=2323 Any idea why this person might be having success? See comment 22 in the bug report. (I'm new to SO, so can't post more than one URL.) I have tested their code, but without any luck. Has anyone successfully accomplished zeroconf service discovery on Android, using jmDNS or another library? Is it possible my discovery issue is related to the IPv6 multicast problem?

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• How to call a .NET Webservice from Android using KSOAP2?

  - by Rajapandian

  Hai to All,I have a problem while calling the webservice,i have a .NET web service in the server and i am using KSOAP2(ksoap2-j2se-full-2.1.2) in android.While running the program i got an runtime Exception like "org.ksoap2.serialization.SoapPrimitive". I dont know what to do.Here is my code. package projects.ksoap2sample; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.HttpTransportSE; import android.app.*; import android.os.*; import android.widget.TextView; public class ksoap2sample extends Activity { /** Called when the activity is first created. */ private static final String SOAP_ACTION = "http://tempuri.org/HelloWorld"; private static final String METHOD_NAME = "HelloWorld"; private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://192.168.1.19/TestWeb/WebService.asmx"; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); tv=(TextView)findViewById(R.id.text1); try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); //request.addProperty("prop1", "myprop"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet=true; envelope.setOutputSoapObject(request); HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope); Object result = (Object)envelope.getResponse(); String[] results = (String[]) result; tv.setText( ""+results[0]); } catch (Exception e) { tv.setText(e.getMessage()); } } } May be my code is wrong.please help me. Regards Rajapandian

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• How to successfully add account to android E-mail Database ?

  - by santhosh

  Hi all... I am trying to add an account to E-mail database ,Below is the way i'm trying ... import com.android.email.Account; import com.android.email.Email; import com.android.email.Preferences; import com.android.email.provider.EmailContent; Account account = new Account(mContext); account.setDescription("acc added thr prog"); account.setAutomaticCheckIntervalMinutes(10); account.setEmail("[email protected]"); account.setDraftsFolderName("Drafts"); account.setOutboxFolderName("OutBox"); account.setSentFolderName("Sent"); account.setTrashFolderName("Trash"); account.setName("Tester"); account.setNotifyNewMail(true); account.setSenderUri("smtp+ssl+://[email protected]:[email protected]"); account.setStoreUri("imap+ssl+://[email protected]:[email protected]"); account.setDeletePolicy(10); account.setVibrate(true); mPrefer = Preferences.getPreferences(getInstrumentation().getContext()); account.save(mPrefer); Email.setServicesEnabled(mInstrumenatation.getTargetContext()); Any suggestions Greatly appreciated. With best Regards Santhosh

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• Is there any way to access files in your source tree in Android?

  - by Chris Thompson

  Hi all, This is a bit unorthodox but I'm trying to figure out if there's a way to access files stored in the src tree of my applications apk in Android. I'm trying to use i-Jetty (Jetty implementation for Android) and rather than use it as a separate application and manually download my war file, I'd rather just bake i-jetty in. However, in order to use (easily) standard html/jsp I need to be able to give it a document root, preferably within my application's apk file. I know Android specifically works to prevent you from accessing (freely) the stuff on the actual system so this may not be possible, but I'm thinking it might be possible to access something within the apk. One option to work around this would be to have all of the files stored in the res directory and then copy them to the sdcard on startup but this wouldn't allow me to automatically remove the files on uninstall. To give you an idea of what I've tried, currently, the html files are stored in org.webtext.android Context rootContext = new Context(server_, "/", Context.SESSIONS); rootContext.setResourceBase("org/webtext/webapp"); Returns a 404 error. final URL url = this.getClassLoader().getResource("org/webtext/webapp"); Context html = new WebAppContext(url.toExternalForm(), "/"); Blows up with a NullPointerException because no URL is returned from the getResource call. Any thoughts would be greatly appreciated! Thanks, Chris

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• Android App Build system differences between Eclipse and Ant?

  - by Amy Winarske

  The Eclipse build for my 1.6 application project is succeeding and the Ant build is failing. I'm looking for help on why they aren't behaving the same way. We are developing on Mac OSX 10.5.8 with Eclipse 3.5 against SDK 1.6 + Google APIs. There are no setting changes in Eclipse, either at workspace or project level. Similarly, our ant is also a vanilla- flavored unmodified installation of 1.7.1. JDK is 1.5.0_22. The CLASSPATH environment variable is not set. JAVA_HOME is /Library/Java/ Home The application was initially created by a team member using the Eclipse plugins. The application references two jar files, one of which has a dependency on javax.xml.bind.annotation.XmlSeeAlso, which is not defined anywhere in our code or in android.jar. The other jar file has an explicit dependency on android.jar. I generated the Ant build file using android update. The Eclipse project builds an apk and runs the application in the emulator. I think this is incorrect behavior. The Android ant project fails to build. I think this is correct behavior. MyClass.java:98: cannot access javax.xml.bind.annotation.XmlSeeAlso [javac] file javax/xml/bind/annotation/XmlSeeAlso.class not found Any ideas as to why the two build methods are behaving differently? I would expect them both to fail. Thanks! -Amy

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• Strategy for WCF server with .Net clients and Android clients?

  - by D.H.

  I am using WCF to write a server that should be able to communicate with .Net clients, Android clients and possibly other types of clients. The main type of client is a desktop application that will be written in .Net. This client will usually be on the same intranet as the server. It will make an initial call to the server to get the current state of the system and will then receive updates from the server whenever a value changes. These updates are frequent, perhaps once a second. The Android clients will connect over the Internet. This client is also interested in updates, but it is not as critical as for the desktop client so a (less frequent) polling scenario might be acceptable. All clients will have to login to use the services, and when connecting over the Internet the connection should be secure. I am familiar with WCF but I am not sure what bindings are most appropriate for the scenario and what security solution to use. Also, I have not used Android, but I would like to make it as simple as possible for the person implementing the Android client to consume my services. So, what is my strategy?

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• How to distribute the android reusable code in a package?

  - by Kaillash

  Hi, I have developed some reusable android component which is basically a class . This class has some resource dependencies e.g. some png drawables, some xml layouts etc. So this class referenced the auto-generated R file.I would like to distribute this code in a single package like jar file to other developers for use in their applications. I have read that the only possible solution is to distribute code together with all my resources, which others have to copy to their "res" folder (source). So I created a jar file having the class file (say MyClass which is in the package com.xyz.android.app) and resources and tried to use this in my new application. So I added the jar file to my new applications build path using add external jars option in eclipse and copied all the resources to my new application's res folder. (The activity class say MainActivity of my new application is in com.abc.myapplication package, just for the case if it may helpful) But when I run this new application there is java.lang.ClassCastException in the MyClass class. I tried to debug the application and then I found that in the MyClass class, there is "R cannot be resolved" problem. Then I changed MainActivity's package to com.xyz.android.app (which is not the way, other developers will be happy to do), But again the same problem. But When I just copy the source java file such that both MainActivity.java and MyClass.java are in com.xyz.android.app package then application runs fine. So if I need to distribute such that other users need not to bother these package naming things, how can I accomplish this? Please help !!

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• Why can't I play videos on my Samsung Moment w/Android 2.1 that did play on 1.5?

  - by cpcarroll71

  Hello all. I was directed here by the Google Android Devs Group. I'm still not sure if this is the place I need to be. I've been on forum after forum and asked the same question but no one seems to know the answer or will tell me the REAL correct place to find it. I have a Samsung Moment with Android 2.1. I can not get videos that DID play on Android 1.5 to play on 2.1 now with very few exceptions. I'm not just talking about different videos with the same format, I'm talking about some of the exact same videos that did play in 1.5 will no longer play in 2.1. These are almost all AVI files. If Android doesn't support AVI natively with it's own stock media player then why or how was I able to play these videos flawlessly on 1.5? The way I always played the videos was viewing my SD card, tapping the thumbnail of the video I wanted, and it would automatically open up in the phones media player right away. Now the phone locks up and then eventually gives an error message. Please tell me someone here knows what is going on and if there is a way to fix this. Or if nothing else, tell me where I do need to look to ask this question and find an answer. Thank you.

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• Android: New app not showing on a sprint phone...

  - by Allan

  I uploaded my app to the Android Market last week and people have been purchasing it with no problems. My carrier is T-Mobile. As soon as I uploaded my app to the Market I got on my phone (Nexus One), searched for it, and there it was - instantly! (Is that because I have a google phone?) My friends G1 found it instantly also. BUT, another friend has a Sprint Moment phone and when he tried to search for it - it just wasn't there - like it didn't exist. I then called T-Mobile and Sprint representatives and found some information that I didn't know. The Sprint dude said that Sprint goes to some sort of massive Android Market Database and that's how Sprint knows about new apps and is then able to list them. New apps are not instantly shown on Sprint phones, you have to wait till their database updates to Android's database. At least that is what I thought they were trying to say to me. Has anyone else come across this issue and/or does anyone know how long Sprint takes to update their database for new Android apps? Do other carriers follow these methods?

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• Android 2.1 gallery not backward compatible with Cupcake version, now what?

  - by Schermvlieger

  I don't know why, but in Eclair, the default (non-fancy) gallery app changed its begaviour from the Cupcake version, and it broke one of my commercial applications :-( Firstly, when long-pressing a gallery and choosing "Diashow", it does not publish an Intent to be picked up by any application that implements the Intent filter anymore. Instead, it will directly call "com.android.gallery/com.android.camera.ViewImage" with extras. Question: is it still possible to intercept this intent and allow the user to choose my application to do the Diashow? Secondly, the intent extras for the VIEW intent are messed up (in my build of 2.1 anyway): Instead of providing the BucketId of the picture in the Intent's queryparameter. But in 2.1, the BucketId is moved to the Intent's extras. Except; it is not passing the BUCKET_ID, but the unlocalized BUCKET_DISPLAY_NAME instead :-/ Question: how can I still get the unique BUCKET_ID from the intent, so that I do not have to work with a potentially non-unique BUCKET_DISPLAY_NAME? Is there anybody out there who has come up with a working solution for these problems? I thought the whole idea of Android Intents was to be able to integrate your applications with the base Android environment, but my build of 2.1 proves that this idea still lives in the land of Theory :-(

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• Android - How to decide wether to run a Service in a separate Process?

  - by pableu

  I am working on an Android application that collects sensor data over the course of multiple hours. For that, we have a Service that collects the Sensor Data (e.g. Acceleration, GPS, ..), does some processing and stores them remotely on a server. Currently, this Service runs in a separate process (using android:service=":background" in the manifest). This complicates the communication between the Activities and the Service, but my predecessors created the Application this way because they thought that separating the Service from the Activities would make it more stable. I would like some more factual reasons for the effort of running a separate process. What are the advantages? Does it really run more stable? Is the Service less likely to be killed by the OS (to free up resources) if it's in a separate process? Our Application uses startForeground() and friends to minimize the chance of getting killed by the OS. The Android docs are not very specific about this, the mostly state that it depends on the Application's purpose ;-) TL;DR What are objective reasons to put a long-running Service in a separate process (in Android)?

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• How do I upgrade django on ubuntu 9.04?

  - by Lorin Hochstein

  I've got Django 1.0.2 installed on Ubuntu 9.04. I'd like to upgrade Django, because I have an app that needs Django 1.1 or greater. I tried using pip to do the upgrade, but got the following: $ sudo pip install Django==1.1 Downloading/unpacking Django==1.1 Downloading Django-1.1.tar.gz (5.6Mb): 5.6Mb downloaded Running setup.py egg_info for package Django Installing collected packages: Django Found existing installation: Django 1.0.2-final Not uninstalling Django at /var/lib/python-support/python2.6, outside environment /usr Running setup.py install for Django changing mode of build/scripts-2.6/django-admin.py from 644 to 755 changing mode of /usr/local/bin/django-admin.py to 755 Successfully installed Django It seems like it worked, but it refuses to remove the original Django 1.02, and sure enough: $ pip freeze | grep -i django Django==1.0.2-final django-debug-toolbar==0.8.3 django-sphinx==2.2.3 $ /usr/local/bin/django-admin.py --version 1.0.2 final The problem, apparently, is that pip won't uninstall files outside of /usr. I'd like to remove the existing Django files manually, but I have no idea how to do that, because I'm unfamiliar with how Python packages are laid out in Ubuntu. It looks pretty complicated. The site-packages directory is: $ python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()" /usr/lib/python2.6/dist-packages However, that's not where the django files live: $ ls -ld /usr/lib/python2.6/dist-packages/[Dd]jango* ls: cannot access /usr/lib/python2.6/dist-packages/[Dd]jango*: No such file or directory There's a /var/lib/python-support/python2.6/django directory, and the __init__.py file in that directory points to /usr/share/python-support/python-django/django/__init__.py. Clearly, pip is able to figure out where the files live. Is there any way to retrieve the list of files associated with the django package so I can just delete them manually?

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• PHP upgrade to 5.3 from 5.2, sessions no longer get stored

  - by Damo

  background link: http://stackoverflow.com/questions/7014945/php-upgrade-5-2-to-5-3-session-issue I have upgraded PHP on my 2008 std server from PHP 5.2 to PHP 5.3. Following the upgrade, sessions no longer work correctly. I have copied over the settings from my PHP.ini files which are applicable and configure new settings in line with the server or PHP's recommendations. PHP executes fine correctly, however session data does not get saved. I have session data stored in c:\temp. For each session created, I can see the session file in this folder. However no information gets written into the session file. Permissions wise, IUSR and EVERYONE has write access to this folder. If I downgrade to PHP 5.2, sessions are saved correctly and the site functions correctly. I have followed advise to ensure my code is optimised. closing session files correctly and forcing a session reset. I'm stumped. session Session Support enabled Registered save handlers files user sqlite Registered serializer handlers php php_binary wddx DirectiveLocal ValueMaster Value session.auto_startOffOff session.bug_compat_42OnOn session.bug_compat_warnOnOn session.cache_expire180180 session.cache_limiternocachenocache session.cookie_domainno valueno value session.cookie_httponlyOffOff session.cookie_lifetime00 session.cookie_path// session.cookie_secureOffOff session.entropy_fileno valueno value session.entropy_length00 session.gc_divisor100100 session.gc_maxlifetime14401440 session.gc_probability11 session.hash_bits_per_character44 session.hash_function00 session.namePHPSESSID53PHPSESSID53 session.referer_checkno valueno value session.save_handlerfilesfiles session.save_path/temp/temp session.serialize_handlerphpphp session.use_cookiesOnOn session.use_only_cookiesOnOn session.use_trans_sid00

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• How do I restart a Windows XP upgrade?

  - by Jason

  Is there a registry tweek to tell Windows Setup to start over? It tries to continue where it left off after I reboot. I can get to the Recovery Console. I tried to go from SP2-SP3. It failed, and I couldn't get to Safe Mode. I put in the SP1 disk (I don't have an SP2 boot disk, just the upgrade package.) It ran a couple minutes then gave me the error "the signature for windows xp professional upgrade is invalid" error code 800b0100. I rebooted to Safe Mode. I get to Safe Mode then say "Window XP Setup can't run under Safe Mode" press ok to restart. I put the SP3 disk back in, trying to get the "repair" option I didn't ever see putting in the SP1 disk, and it tried to continue the SP1 install - on the 4th step, and then gave the same signature error above. I need to get it to start over, so I can get to the repair option, to go back to SP2 (or install SP1 then add SP2 to it). Is there a registry tweek to tell Windows Setup to start over?

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• Ubuntu 64bit Xen DomU Issues after upgrade from Karmic to Lucid

  - by Shoaibi

  I was upgrading my servers today and it all went fine except the last machine which has the following issues: [Resolved using http://www.ndchost.com/wiki/server-administration/upgrade-ubuntu-pre-10.04#post-1004-upgradefinal-steps] No login prompt on console Done. Begin: Mounting root file system... ... Begin: Running /scripts/local-top ... Done. [ 0.545705] blkfront: xvda: barriers enabled [ 0.546949] xvda: xvda1 [ 0.549961] blkfront: xvde: barriers enabled [ 0.550619] xvde: xvde1 xvde2 Begin: Running /scripts/local-premount ... Done. [ 0.870385] kjournald starting. Commit interval 5 seconds [ 0.870449] EXT3-fs: mounted filesystem with ordered data mode. Begin: Running /scripts/local-bottom ... Done. Done. Begin: Running /scripts/init-bottom ... Done. Also tried by pressing ENTER and CTRL+C many times, no use. Resolved: [/tmp was mounted as noexec, changing that fix it]: I get errors when i try to re-install udev in single user mode: Unpacking replacement udev ... Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for man-db ... Setting up udev (151-12.1) ... udev start/running, process 1003 Removing `local diversion of /sbin/udevadm to /sbin/udevadm.upgrade' update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-2.6.32-25-server /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/local-premount/fixrtc: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/local-premount/ntfs_3g: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/local-premount/resume: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/nfs-top/udev: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/panic/console_setup: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/init-top/all_generic_ide: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/init-top/blacklist: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/init-top/udev: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/init-bottom/udev: Permission denied /usr/sbin/mkinitramfs: 329: /tmp/mkinitramfs_yuuTSc/scripts/local-bottom/ntfs_3g: Permission denied

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• xen + debian network after upgrade squeeze to wheeze

  - by rush

  I've got a Debian + Xen server. After a system upgrade to the stable version the network doesn't come up after boot. Every time after reboot I need to bring it up manually. The network configuration was not changed during upgrade. Here is /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 11.22.33.44 netmask 255.255.255.0 gateway 11.22.33.1 nameserver 8.8.8.8 After boot ip r shows no route and eth0 has no ip address. Manually ip and route setup goes fine and network starts working. Messages from dmesg about network I've found (looks like nothing interesting) [ 3.894401] ACPI: Fan [FAN3] (off) [ 3.894444] ACPI: Fan [FAN4] (off) [ 4.178348] e1000e 0000:00:19.0: eth0: (PCI Express:2.5GT/s:Width x1) 00:1e:67:14:66:c9 [ 4.178351] e1000e 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection [ 4.178392] e1000e 0000:00:19.0: eth0: MAC: 10, PHY: 11, PBA No: 0100FF-0FF [ 4.178413] e1000e 0000:02:00.0: Disabling ASPM L0s L1 [ 4.178432] xen: registering gsi 16 triggering 0 polarity 1 -- [ 4.223667] ata5: DUMMY [ 4.223668] ata6: DUMMY [ 4.289153] e1000e 0000:02:00.0: eth1: (PCI Express:2.5GT/s:Width x1) 00:1e:67:14:66:c8 [ 4.289155] e1000e 0000:02:00.0: eth1: Intel(R) PRO/1000 Network Connection [ 4.289245] e1000e 0000:02:00.0: eth1: MAC: 3, PHY: 8, PBA No: 1000FF-0FF [ 4.506908] usb 1-1: new high-speed USB device number 2 using ehci_hcd [ 4.542920] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) -- [ 10.362999] EXT4-fs (dm-23): mounted filesystem with ordered data mode. Opts: (null) [ 10.419103] EXT4-fs (dm-3): mounted filesystem with ordered data mode. Opts: (null) [ 10.988255] ADDRCONF(NETDEV_UP): eth1: link is not ready [ 13.175533] Event-channel device installed. [ 13.287555] XENBUS: Unable to read cpu state -- [ 13.288670] XENBUS: Unable to read cpu state [ 13.965939] Bridge firewalling registered [ 14.134048] e1000e: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx [ 14.283862] ADDRCONF(NETDEV_UP): peth0: link is not ready [ 14.284543] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready [ 17.800627] e1000e: peth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx [ 17.801377] ADDRCONF(NETDEV_CHANGE): peth0: link becomes ready [ 18.307278] device peth0 entered promiscuous mode [ 24.538899] eth1: no IPv6 routers present [ 28.570902] peth0: no IPv6 routers present I've upgraded two servers and I've such behaviour on two of them. How to fix this and get network starts automatically on boot?

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• Rackspace Ubuntu 12.04 server stuck in initramfs after kernel upgrade

  - by Znarkus

  Can't boot after I did a aptitude full-upgrade and let it update menu.lst (did a diff first and it looked good). This is what I've done so far in the BusyBox shell: mkdir /tmp/xvda1 mount /dev/xvda1 /tmp/xvda1 chroot /dev/xvda1 nano /boot/grub/menu.lst This file looks like this: title Ubuntu 12.04.1 LTS, kernel 3.2.0-31-virtual root(hd0,0) kernel /boot/vmlinuz-3.2.0-31-virtual root=UUID=/dev/xvda1 ro quiet splash initrd /boot/initrd.img-3.2.0-31-virtual title Ubuntu 12.04.1 LTS, kernel 3.2.0-31-virtual (recovery mode) root(hd0,0) kernel /boot/vmlinuz-3.2.0-31-virtual root=UUID=/dev/xvda1 ro single initrd /boot/initrd.img-3.2.0-31-virtual titleUbuntu 12.04.1 LTS, kernel 3.2.0-24-virtual root(hd0,0) kernel/boot/vmlinuz-3.2.0-24-virtual root=UUID=/dev/xvda1 ro quiet splash initrd/boot/initrd.img-3.2.0-24-virtual titleUbuntu 12.04.1 LTS, kernel 3.2.0-24-virtual (recovery mode) root(hd0,0) kernel/boot/vmlinuz-3.2.0-24-virtual root=UUID=/dev/xvda1 ro single initrd/boot/initrd.img-3.2.0-24-virtual titleUbuntu 12.04.1 LTS, kernel 3.2.0-24-generic root(hd0,0) kernel/boot/vmlinuz-3.2.0-24-generic root=UUID=/dev/xvda1 ro quiet splash initrd/boot/initrd.img-3.2.0-24-generic titleUbuntu 12.04.1 LTS, kernel 3.2.0-24-generic (recovery mode) root(hd0,0) kernel/boot/vmlinuz-3.2.0-24-generic root=UUID=/dev/xvda1 ro single initrd/boot/initrd.img-3.2.0-24-generic titleChainload into GRUB 2 root(hd0,0) kernel/boot/grub/core.img titleUbuntu 12.04.1 LTS, memtest86+ root(hd0,0) kernel/boot/memtest86+.bin From what I remember, the upgrade added the UUID= string. Should I remove these? Or rather, how do I get my system back online again? Thanks. Update: Seems like I can't even edit the file. [ Error writing /boot/grub/menu.lst: Read-only file system ]

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