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  • Making simple tabs in android

    - by user2910566
    I am new to Android. I am making a tab Activity that has 3 tabs in it. . I came across reading some interesting articles that tab can be made in three ways:: Regular TabHost Using simple Fragments Using Action Bar Sherlock I have a set of questions Which is a better choice & why ? Which gives more flexibility, efficiency & performance ? Which would be the preferd choice in case of requirement changes happen in future ? My research indicate :: ActionBarsherlock is better ! Is there something better than this ? If so what is it ?

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  • Android ratings and listviews

    - by puppetmaster04
    I'd like to add a list of reviews of books to my Android app. Basically what I'm after is a fixed rating using the RatingBar and a ListView containing the snippet of the review for each review. Once clicked I want the list item to expand and fill with the text of the full review. I have the content of the snippet, full text, and rating, but don't know how best to go about the layout. Any ideas are ok, I don't need full code, but I would much prefer to keep it to XML layout.

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  • Store multiple XML files in Android

    - by Federico Perez
    I am developing a survey android app so that: Each survey is downloaded from server as XML file. A survey can have multiple versions (new survey, new XML). When a new XML is downloaded it should overwrite its corresponding previous XML. I would like to store the files in a sqlite database. How can I insert my files into the db? Should I use BLOB or store the content of the XML as string? In any case how should I do it?

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  • Async & Await in C# with Xamarin

    - by Wallym
     One of the great things about the .NET Framework is that Microsoft has worked long and hard to improve many features. Since the initial release of .NET 1.0, there has been support for threading via .NET threads as well as an application-level threadpool. This provided a great starting point when compared to Visual Basic 6 and classic ASP programming. The release of.NET 4 brought significant improvements in the area of threading, asynchronous operations and parallel operations. While the improvements made working with asynchronous operations easier, new problems were introduced, since many of these operations work based on callbacks. For example: How should a developer handle error checking? The program flow tends to be non-linear. Fixing bugs can be problematic. It is hard for a developer to get an understanding of what is happening within an application. The release of .NET 4.5 (and C# 5.0), in the fall of 2012, was a blockbuster update with regards to asynchronous operations and threads. Microsoft has added C# language keywords to take this non-linear callback-based program flow and turn it into a much more linear flow. Recently, Xamarin has updated Xamarin.Android and Xamarin.iOS to support async. This article will look at how Xamarin has implemented the .NET 4.5/C# 5 support into their Xamarin.iOS and Xamarin.Android productions. There are three general areas that I'll focus on: A general look at the asynchronous support in Xamarin's mobile products. This includes async, await, and the implications that this has for cross-platform code. The new HttpClient class that is provided in .NET 4.5/Mono 3.2. Xamarin's extensions for asynchronous operations for Android and iOS. FYI: Be aware that sometimes the OpenWeatherMap API breaks, for no reason.  I found this out after I shipped the article in.

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  • How To Change Attachment Size in WorkItems in TFS 2010

    - by Ravi
    Recently, I came across an issue where I had to change the size limit for WorkItem Attachments in TFS 2010. I searched all around the internet only to find very little information around it which wasn’t clear honestly. So after breaking my head for sometime, I was successful in doing it. Here are my conclusions and the procedure to do it. 1. You DON’T 'have to' programmatically change it. You can do it directly from IIS webservices. 2. You CAN change it programmatically too, by making an entry into TFS Registry using a small piece of code. Let me show you how it is done from IIS. This is to change the size of attachment to your required value for workItems in TFS 2010 for each collection individually. You must be a TFS Admin to do this ( Login with setup account ) Browse to /WorkItemTracking/v1.0/ConfigurationSettingsService.asmx">/WorkItemTracking/v1.0/ConfigurationSettingsService.asmx">/WorkItemTracking/v1.0/ConfigurationSettingsService.asmx">http://localhost:8080/tfs/<YOUR-COLLECTION-NAME>/WorkItemTracking/v1.0/ConfigurationSettingsService.asmx You’ll see 3 asmx services – GetMaxAttachmentSize, GetWorkItemTrackingVersion and SetMaxAttachmentSize. 4. To know what is the current value of the maximum attachment size for a collection, click on the first service and you’ll the current existing value for this particular collection when you click on ‘invoke’ button. ( value is in bytes ) 5. Now click on the ‘SetMaxAttachmentSize’ webservice and fill in the value of your choice. 6. Reset IIS ( not required honestly, but I did it, just to be sure ) 7. Now try attaching a file greater than the size you’ve set. It’ll fail successfully   Below is the error which you’d see in such scenarios. Let me know if you see any issues & I’ll be happy to help..!

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  • Strange issues with view switcher after object animator animations

    - by Barry Irvine
    I have two LinearLayout views that contain a number of edit texts and checkboxes for entering user information (name, email address etc). When a validation fails on one of these fields a gone textview is displayed showing the validation error. I have enclosed the two layouts within a ViewSwitcher and I animate between the two views using the ObjectAnimator class. (Since the code needs to support older versions of Android I am actually using the nineoldandroids backwards compatibility library for this). The bulk of the work is performed in my switchToChild method. If I flip the views more than twice then I start to run into strange errors. Firstly although the correct child view of the view animator is displayed it seems that the other view has focus and I can click on the views beneath the current one. I resolved this issue by adding a viewSwitcher.bringChildToFront at the end of the first animation. When I do this however and perform a validation on the 2nd view the "gone" view that I have now set to visible is not displayed (as if the linearlayout is never being re-measured). Here is a subset of the XML file: <ScrollView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@+id/TitleBar" android:scrollbarAlwaysDrawVerticalTrack="true" android:scrollbarStyle="outsideOverlay" android:scrollbars="vertical" > <ViewSwitcher android:id="@+id/switcher" android:layout_width="fill_parent" android:layout_height="wrap_content" > <LinearLayout android:id="@+id/page_1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > <!-- Lots of subviews here --> <LinearLayout android:id="@+id/page_2" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > And this is the main method for flipping between the views: private void switchToChild(final int child) { final ViewSwitcher viewSwitcher = (ViewSwitcher) findViewById(R.id.switcher); if (viewSwitcher.getDisplayedChild() != child) { final Interpolator accelerator = new AccelerateInterpolator(); final Interpolator decelerator = new DecelerateInterpolator(); final View visibleView; final View invisibleView; switch (child) { case 0: visibleView = findViewById(R.id.page_2); invisibleView = findViewById(R.id.page_1); findViewById(R.id.next).setVisibility(View.VISIBLE); findViewById(R.id.back).setVisibility(View.GONE); break; case 1: default: visibleView = findViewById(R.id.page_1); invisibleView = findViewById(R.id.page_2); findViewById(R.id.back).setVisibility(View.VISIBLE); findViewById(R.id.next).setVisibility(View.GONE); break; } final ObjectAnimator visToInvis = ObjectAnimator.ofFloat(visibleView, "rotationY", 0f, 90f).setDuration(250); visToInvis.setInterpolator(accelerator); final ObjectAnimator invisToVis = ObjectAnimator.ofFloat(invisibleView, "rotationY", -90f, 0f).setDuration(250); invisToVis.setInterpolator(decelerator); visToInvis.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator anim) { viewSwitcher.showNext(); invisToVis.start(); viewSwitcher.bringChildToFront(invisibleView); // If I don't do this the old view can have focus } }); visToInvis.start(); } } Does anyone have any ideas? This is really confusing me!

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  • From the Tips Box: Halting Autorun, Android’s Power Strip, and Secure DVD Wiping

    - by Jason Fitzpatrick
    This week we’re kicking off a new series here at How-To Geek focused on awesome reader tips. This week we’re exploring Windows shortcuts, Android widgets, and sparktacular ways to erase digital media. 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 Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science] Add a “Textmate Style” Lightweight Text Editor with Dropbox Syncing to Chrome and Iron

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  • MP3 files cut off in the Ubuntu One Android app

    - by rudefyet
    I noticed today on my phone (Droid X running Android 2.2.1) that when streaming the Ubuntu One app would skip to the next song before the previous one had finished. Looking into it, one of the mp3s downloaded from the server was only 2.5MB instead of 4.2MB as it shows on the server itself via one.ubuntu.com. It's happened with multiple tracks today (I remember it happening once the first time I used the app too but shrugged it off as a glitch). The app itself shows a star on the playlist item indicating the file was downloaded even though it was apparently cut off for some reason, perhaps lack of good cell coverage, or some sort of dropped connection. It seems like the latter may be happening and instead of showing an error or retrying it just stops and shows the download is complete.

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  • Game server for an android/iOS turn-based board-game

    - by Cyril
    I am currently programming an iPhone game and I would like to create an online multiplayer mode. In the future, this app will be port to Android devices, so I was wondering how to create the game-server? First at all, which language should I choose? How to make a server able to communicate both with programs written in objective-c and Java? Then, how to effectively do it? Is it good if I open a socket by client (there'll be 2)? What kind of information should I send to the server? to the clients?

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  • Game server for an android/iOS turn-based board-game

    - by Cyril
    I am currently programming an iPhone game and I would like to create an online multiplayer mode. In the future, this app will be port to Android devices, so I was wondering how to create the game-server? First at all, which language should I choose? How to make a server able to communicate both with programs written in objective-c and Java? Then, how to effectively do it? Is it good if I open a socket by client (there'll be 2)? What kind of information should I send to the server? to the clients?

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  • Programmers and tech email: Do you actually read all of them?

    - by AdityaGameProgrammer
    Email Alerts, Blog /Forum updates, discussion subscriptions general programming/technology update emails that we often subscribe to.Do you actually read them ? or go direct to the source when you find time. often we might the mail of programmers filled with loads of unread subscription mail from technology they previously were following or worked on or things they wish to follow .some or a majority of these mail just keep on piling up . i personally have few updates that i wish i read but constantly avoid and keep of for latter and finally delete them in effort keep the in box clean. few questions come to mind regarding this Do you keep such mail in separate accounts? Do you read all the mail you have subscribed to? Do you ever unsubscribe to any such email if you aren't reading them? How much do you really value these email. Lastly do you keep your in box clean ? wish to deal with this in a better way.

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  • How to reset .bashrc file which edited before to set PATH ANDROID sdk

    - by revan
    bash: export: `/home/entw/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local /bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/bin': not a valid identifier bash: /home/entw/.bashrc: line 111: unexpected EOF while looking for matching `"' bash: /home/entw/.bashrc: line 112: syntax error: unexpected end of file entw@entwine-desktop:~$ This is the error i frequently getting in terminal, shows when opend termianl. The following commands i applied in terminal, sudo gedit $HOME/.bashrc and added some path varable like android SDK, and run the following command source ~/.bashrc got the error in terminal bash: export: `/home/entw/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local /bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/bin': not a valid identifier bash: /home/entw/.bashrc: line 111: unexpected EOF while looking for matching `"' bash: /home/entw/.bashrc: line 112: syntax error: unexpected end of file entw@entwine-desktop:~$ but if i try to open agin that file shows the error file or directory not found. what do i do to set all correct ??, please any help? This forum i tried [forum]: http://forum.xda-developers.com/showthread.php?t=919425 "--point 2"

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  • car crash android game

    - by Axarydax
    I'd like to make a simple 2d car crashing game, where the player would drive his car into moving traffic and try to cause as much damage as possible in each level (some Burnout games had a mode like this). The physics part of the game is the most important, I can worry about graphics later. Would engine like emini or box2d work for this kind of game? Would Android devices have enough power to handle this? For example if there were about 20 cars colliding, along with some buildings, it would be nice if I could get 20 fps.

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  • Sending a android.content.Context parameter to a function with JNI

    - by Ef Es
    I am trying to create a method that checks for internet connection that needs a Context parameter. The JNIHelper allows me to call static functions with parameters, but I don't know how to "retrieve" Cocos2d-x Activity class to use it as a parameter. public static boolean isNetworkAvailable(Context context) { boolean haveConnectedWifi = false; boolean haveConnectedMobile = false; ConnectivityManager cm = (ConnectivityManager) context.getSystemService( Context.CONNECTIVITY_SERVICE); NetworkInfo[] netInfo = cm.getAllNetworkInfo(); for (NetworkInfo ni : netInfo) { if (ni.getTypeName().equalsIgnoreCase("WIFI")) if (ni.isConnected()) haveConnectedWifi = true; if (ni.getTypeName().equalsIgnoreCase("MOBILE")) if (ni.isConnected()) haveConnectedMobile = true; } return haveConnectedWifi || haveConnectedMobile; } and the c++ code is JniMethodInfo methodInfo; if ( !JniHelper::getStaticMethodInfo( methodInfo, "my/app/TestApp", "isNetworkAvailable", "(android/content/Context;)V")) { //error return; } CCLog( "Method found and loaded!"); methodInfo.env->CallStaticVoidMethod( methodInfo.classID, methodInfo.methodID); methodInfo.env->DeleteLocalRef( methodInfo.classID);

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  • How to implement a score database in Android

    - by Michael Seun Araromi
    I making a 2d game for android using opengl-es technology. It is a space shooting game where the player shoots enemy ships. I want to keep a track of score for the amount of enemy ships destroyed and a record of a local highscore, I want the score to be incremented whenever an enemy is destroyed. I also want a way of displaying both score and highscore on the game screen. I am not farmiliar with databases at all and I will appreciate a clear answer or a link to a good tutorial for my cause. Thanks

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  • How to Install Incompatible Android Apps from Google Play

    - by Chris Hoffman
    Some Android apps on Google Play claim to be incompatible with various devices. There’s a good chance that these apps will run fine on many of these devices – you can bypass this check with root access. Some apps won’t actually work after you install them, but many will. This also solves problems with games that will install but refuse to play – for example, Gameloft games with the “this device is incompatible” message. Hack Your Kindle for Easy Font Customization HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It

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  • Open GL Android frame-by-frame animation tutorial/example code

    - by Trick
    My first question was asked wrong, so I need to ask again :) I found out, that I will have to do an OpenGL animation for my Android game. The closest (known) example is Talking Tom (but I don't know how they did the animations). I have large PNGs which I would like to put into a animation. For example - 30 PNGs 427×240px at 8 FPS. I know some things already about Open GL, but I am used to learn from example code. And it is quicker that way (so I don't need to invent hot water all over again :)). Does anybody has any points to direct me?

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  • I'm using a shared server, and as such Gmail marks my email as spam (all from headers are different from the same IP)

    - by chipperyman573
    I have a shared server, meaning many people share the same IP. When I send an email, the @website.com is different from someone else that shares the same IP with me, therefore Gmail marks it as spam. For example: My website's IP is 1.2.3.4. My website is mywebsite.com Person 2's website's IP is hosted by the same host, and as such their IP is 1.2.3.4 Person 2's website is person2.com. When they send an email, it gets sent from [email protected] When I send an email, it gets sent from [email protected] According to Gmail's spam thing: "Use the same address in the 'From:' header on every bulk mail you send." Again, the only similarities between our websites is the IP. However, this causes Gmail to mark both our mail as spam. Is there a way to sort this out with Gmail?

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  • What is the proper way to setup Google Apps email accounts for a subdomain?

    - by binaryorganic
    Let's say I've registered domain.com at enom and set it up to use Google Apps for email by rerouting DNS to enom's servers and editing the MX records there. That works flawlessly. Now let's say I want to have email at a subdomain for that same site. I already have a working subdomain at the host, but I want to catch email traffic at enom before it gets that far. I've set up Google Apps as a new account for the subdomain, successfully verified domain ownership, and now they want me to update MX records. What's the right format? For domain.com, I just put @ for the hostname, and then provided the Address and Pref values that Google gave me. I tried putting subdomain.domain.com as new values under hostname for the subdomain, but that doesn't seem to work. What am I doing wrong?

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  • Ouya / Android : button mapping bitwise

    - by scorvi
    I am programming a game with the Gameplay3d Engine. But the Android site has no gamepad support and that is what I need to port my game to Ouya. So I implemented a simple gamepad support and it supports 2 gamepads. So my problem is that I put the button stats in a float array for every gamepad. But the Gameplay3d engine saves their stats in a unsigned int _buttons variable. It is set with bitwise operations and I have no clue how to translate my array to this.

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  • Android Live Testing

    - by Matthew Dockerty
    I am making a game for android and in it I am using sensors which are not available in the emulator. At the moment I am connecting my device and transferring the apk, then installing to test but that is a pain to do, and I have gotten to the stage where I need to start logging values for debugging. I have gone into the run configs of my app and set it to prompt me to pick a device, but my device is never in the list when it is connected to my PC and I try to run it. How am I supposed to set it up to work properly? Thanks for the help.

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  • Ask the Readers: How Do You Keep Your Email SPAM Free and Tidy?

    - by Jason Fitzpatrick
    Email can be a fantastically efficient way to deal with communication, but not if it’s bogged down with SPAM messages and poorly organized. This week we want to hear all about the tips, tricks, and ninja-filters you use to keep your inbox tidy. Whether it’s special filters for your Bacon (spam-like marketing that you actually want to receive and occasional review), services you use to block spammers, or organization tips you use to keep your email inbox streamlined with no message unreplied to, we want to hear all about it. Sound off in the comments with your proclamations of your inbox-fu and how you maintain zen-like mastery over your email workflow. Be sure to check in on Friday for the What You Said roundup. How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • Android/Java AI agent framework/middleware

    - by corneliu
    I am looking for an AI agent framework to use as a starting point in an Android game I have to create for a university research project. It has been suggested to me to use JADE, but, as far as I can tell, it's not a suitable framework for games (at least for my game idea) because it runs in a split-execution mode, and it needs an always-active network connection to a main host. What I want is just a little something to give me a headstart. I am willing to adjust the game's features to the framework because it's more of a mockup game, and the purpose is to compare the performance of a couple of agents in the game world. The game will be very simplistic, with a minimal UI that displays various stats about the characters in the game (so no graphics, no pathfinding). Thank you.

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  • Payments for Android through Checkout/AdSense

    - by David Cesarino
    To those that don't know, Android developers in some countries recently transitioned from AdSense to Checkout for Play Store payments. This is told to existing seller accounts: Q: What happens if I have funds in my AdSense account but am not eligible for a payout yet? A: AdSense accounts have minimum thresholds for payouts. If you’re not eligible for a payout through AdSense for [month of migration], the funds will be automatically transferred back to your Google Checkout account. Once you enter bank account information through your Checkout account and have accrued at least $100 USD, your first wire transfer will be issued during the next monthly payout cycle. However, AdSense is still holding my funds, and since Checkout already paid me directly, following the new directives, I'm afraid the funds will be held in AdSense forever (I used AdSense only for Play Store payments, as required). Obviously, this is no replacement for Google support (a crusade to reach them, but nevermind...), I'm just asking if someone experienced this problem during the transition and how it was fixed.

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  • How can I reply to email by sending a delivery failure message?

    - by wau
    Occasionally, I receive unwanted emails, particularly low-volume spam, or email messages falsely addressed to me (possibly due to typos). I don't want to spend the energy to write a personal message, but I do want to let the sender know that the message never arrived at its destination, and that resending it will be useless. In my opinion, a delivery error message to the sender will fill that need. So, the question is if there is an easy way to send error messages back to the sender. Is there any email client out there which supports sending delivery failure messages as a reply to incoming email -- ideally in one click? (Or, which can be configured to do so?) Alternatively, what is the best way to set up an environment that allows me to send delivery failure messages without too much effort per message sent?

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