Android :: Data Structure Used For SMS Messages In Android

May 5, 2010

Does anybody know what data structures are used to the store messages in an SMS client app, and whether there is an existing API for this.I was perhaps looking at implementing a link list for the purpose but if the work has already been done in an API then perhaps it would be unnecessary to commit time to the task that could be spent programming other parts.

Android :: Data Structure Used For SMS Messages In Android

Android :: Loading Google Maps Data Into Searchable Data Structure

Mar 2, 2010

For my CS bachelors I am doing a Senior project using android and google maps.My vision was to do a (relatively) simple Dijkstra shortest path using google maps road data. I was going to add elevation change along with 2D distance. I am doing well playing with maps in android but I am completely stumped trying to access google maps data in any sort of searchable form.How would I go about accessing the data for say intersections of roads (lat/long) in a particular area?There has to be a way to pull that data in some sort of tree form. It seems like it may be possible with kml?Any pointers would be awesome.I want my paths to follow roads but If i cant this is going to turn into an orienteering application fairly fast.

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Android :: LogCat - Any Way To Change Structure Of Log Messages?

May 6, 2010

I fear the answer is no, but before I change the structure of all of my log messages: Is there any way to do this: $ adb logcat *:S com.myappname.*:V
Or in words: I want to silence every tag that goes to logcat except the ones that begin with com.myappname. Currently my classes print into the log with this.getClass().getName() as the tag - typing each tag out individually in the filter isn't an option, so is there anyway to use the wildcard? The above command doesn't work, because it just silences every class, including the ones I've explicitly told to be verbal. I've also tried:
$ adb logcat -s com.myappname.*:V $ adb logcat com.myappname.*:V *:S
to no avail. I have a feeling I might have to log in a more constant fashion. Or I might just use log4J.

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Android :: Swing Widget - Displaying Tree Like Data Structure

Jun 21, 2010

I want to display a tree like data structure, for the Swing JTree is ideal. Is there any widget that provides that? Or any implementation of Swing for Android?

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Android :: Best Efficient Data Structure To Store Object In Android Application

Sep 10, 2010

I want to build a data structure in my application to store many entries indexed by keys. Each entry has several parameters to retrieve and update.

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Android :: Creating Static Data Structure On Application Startup For Android

Oct 27, 2010

In my application, I am going to create a few listviews that are dependent on the listview before it. For example,Then, depending on user choice, will go next screen, let's say, it contains a submenu of each type of school,that may be different or may be the same to other states.What I want to know, is how to populate these different lists dynamically as the user goes on? I don't know what the best of doing this is, and I seem to be looking in the all the wrong places because I keep getting stuck. Once all the data is added into whatever structure is used, it will be static. I basically just need help as to how to code information into some sort of hashtable or anything of the sort that can be easily referenced, and later when the Application is updated, be able to add more schools/states/submenus etc.

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Android :: Multiple Broadcast Messages With Less Data Or Less Broadcast Messages With More Data

Oct 5, 2009

I am developing an application which is communicating with the server. Tha application can perform log-in and get different parameters from server.

The application consists of a RESTful client (custom class for making requests), Communication Service (the service which runs in the background) and the main activity.

For now I created multiple broadcast messages and multiple broadcast receivers in the main activity so when the application performs login operation a receiver (loginBroadcastReceiver) in the main activity receives a message and when another parameter is received from the server different message is broadcasted and another receiver handles the message.

This way however the application performance is poor but I am not sure whether it is due to multiple broadcast receivers.

Does anyone know what is the best way to exchange data between service and main activity - is it better to create a single broadcast receiver and retrieve all parameters from message or is it better to initialize multiple broadcast receivers for multiple parameters?

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Android :: Defining Data Encoding Of SMS Messages

Aug 24, 2010

I'm working on an application using the SMS apis for android. The receiving end is an embedded unit that only supports 7-bit encoded SMS and the string I'm sending consists only of symbols from this particular alphabet which makes you think that Android is going to send it encoded as 7 bit. But that is not the case.Therefore I'm searching for a way to specify what encoding to use. See below for what my code looks like today. The method gsm7BitPackedToString turns a byte-array to a 7-bit string, i.e. the string only consists of 7-bit compatible characters and is copied from the internal android api. Code...

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Android : How To Structure App To Run In Background?

Jan 5, 2010

I am new to Android, and I need some advices for start up. I want to build an application, which will show up, when the user gets into some hot situation. How to get started? How do I make sure my app won't be shut down?

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Android :: Sending And Receiving Data Messages Via A BroadcastReceiver

Feb 15, 2009

Is there already functionality similar to the push registry or wireless messaging API in J2ME implemented in Android? Or at least plans to do so?I have been looking at this issue for a while, because in a corporate environment it is essential to be able to push information out, or trigger actions via SMS or other connections.I have successfully sent an SMS between emulator instances, and successfully received an SMS by using a BroadcastReceiver on another emulator instance. I have also been able to use SmsManager. sendDataMessage to send a data message to a port on another emulator instance, but in this case the BroadcastReceiver is never triggered. This seems to be the closest the API's get to what I'm looking for.

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HTC Tattoo :: Android OS File Structure

Jan 10, 2010

does anybody knows where is Program Files directory on my htc tattoo. when I install any program where does it goes. i found under sys folder all system applications but not 3rd party i download apk files, this is instalation file. after i run it it install current application and create shortcut in program list. but where are files for current application

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Android :: How To Use Structure Laid Out In LunarLander?

May 7, 2010

I'm trying to use the structure laid out in LunarLander to create a simple game in which the user can drag some bitmaps around on the screen (the actual game is more complex, but that's not important).

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How To Structure Android Timer App With Thread

Feb 5, 2012

I'm trying to create a simple Workout Timer for Android. The user creates a WorkoutPlan containing info such as total duration, total rest time, etc, the app will display a timer that updates every second.

Pretty simple to begin with, but I'm trying to build the app as properly as possible, i.e. separation of concern, correct techniques, responsive UI, ensure the timer will be accurate, etc.

Here's a simplification of what I have so far:

WorkoutPlan, the user can load/save different workout plans to the timer

public class WorkoutPlan {
public long duration;
TimerThread, this class implements `Runnable`, it takes in a `WorkoutPlan` in the constructor, start/stop, shows elapsed time.

public class TimerThread implements Runnable {
public boolean running = false;


TimerView, the custom view that displays the elapsed time

public class TimerView extends View {
private final Paint mBg;
private final Paint mText;
private WorkoutPlan plan;
private TimerThread timer;
private Thread thread;
private Handler handler = new TimerHandler();


Finally, WorkoutTimer, the activity that starts it off

public class WorkoutTimer extends Activity {
private TimerView mTimer;
/** Called when the activity is first created. */
public void onCreate(Bundle savedInstanceState) {


A couple of questions:

Where's the best place to create the `WorkoutPlan` object? Currently it's done in `TimerView`. Should it be done in the `WorkoutTimer` activity instead? If yes, how do I pass the `WorkoutPlan` object to `TimerView`?

The app works fine the first time, but crashes when I go to the home screen then back to the app the second time. What's causing it to crash? Is it the theading?

Currently I'm using a `Handler` in a new `Thread`. Is this ok or would a `TimerTask` be better? Where's the best place to start the thread? Am I correct to put all the threading code in `TimerView`?

Am I correct to add synchronized to all the methods in `TimerThread`?

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General :: Playing DVD Structure / ISO On Android?

Sep 15, 2012

Is it possible to play a DVD's Structure or ISO (containing the "VIDEO_TS" folder) directly on Android with menus? If yes, how?

ParanoidAndroid 0.4a on Galaxy Note GT-N7000

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Android :: Recovering Deleted Messages / Data On A Mobile Phone

Feb 22, 2010

I want to design a mobile application/tool for recovering deleted messages/pictures/files from the phone. I have the choice to do that using Android or Symbian. what do you think is more easier provided that I have to use some operating system concepts to solve the problem and recover deleted messages. Also what are the concepts that I can use for recovery ?

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Android : App To Record Calls Duration - Messages And Data Used Through Phone?

Mar 23, 2010

I have been having problem with the carrier, they use to say I have called many numbers and have sent many SMSs I didn't really call or send.

So I was wondering if there is an app which will record all the calls' duration, SMSs sent and 3G/Edge usage.

So I could have a report later and compare it to my phone bill.

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Android : Need File / Folder Structure For Droid 2.2

Sep 27, 2010

My SD card on my droid x went bad so the verizon store gave me a new one but it seems they formatted it for a blackberry hence I see blackberry folders in there Can someone tell me the file/folder structure for Android 2.2? Once I format and clean it up, what are the directories I should be creating? If there's a link that describes it, that would even be better..

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Android : How To Add Radio Buttons In Menu Structure?

Mar 24, 2009

Can some tell me how i can rebuild this: this screenshot is from android Google maps. i will rebuild this radiobutton menu and this is my xml-code...

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Android : Way To Structure URI Query For Multiple Values For Same Key?

Jul 22, 2010

I'm trying to structure a URI that accesses my data by id. Currently my URIs are query based like so: How could I structure a similar URI so that I could query for notes in multiple lists?

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Android :: Application With Multiple Views - Best Practice For Structure?

Jun 20, 2010

I am new to developing for android. I have a question regarding some best practices. My app is like a dashboard from which multiple different "sub-activities" can be started and done. I am wondering what is the best way to structure the app. One way is to have different layouts and load and unload them appropriately. The other is to start new activities using intents. At least this is what I have gathered from what I have read.

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Android :: Android - Send And Receive Data SMS Messages

Sep 21, 2010

I've found a few tutorials on how to send/receive text SMS messages, but none on how to send/receive data SMS messages. I have a very small amount of data I would like the users of my app to be able to share.

I am able to send, but my BroadcastReceiver doesn't ever get called. It seems this is a known issue ( but has anyone figured out how to do this yet?

I tried sending/receiving a text SMS and that works fine, the thing is, I need to specify a port so only my app can listen for the SMS.

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Android :: How To Achieve Modularity Structure Of App Subcomponents On Android?

Feb 9, 2010

My Android main application will consist in a main program, with a few pre-installed modules.Then I want to offer different modules later, best would be as separate files. Modules like: location, weather, agenda.How would you accomplish this?I want to keep in the database the modules that are installed/present. So I must put sometimes the modules into database, maybe by detecting if there are present at launch time. The main app will work based on these modules.How can I build these modules as separate files? They won't be an entry point in my application. So they must not be an application in the navigation menu.

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Android :: Definitive Android Folder Structure

Jun 11, 2009

so I'm curious if someone know what is exact folder structure, which should be used. My question is about phone memory and SD card as well.So far I suppose, these work:If you want phone to find new ringtones (and only, not have it listed in music player).

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Android :: How To Structure Simple Android Apps?

Aug 31, 2010

I've run into an organizational problem with an application I am working on, on the Android platform. The application uses sensors as input and OpenGL as output.Assume very simple drawing code and somewhat complex control system code that will attempt to refresh at 60ish Hz. I am looking for performance, maintainability and easy of development implications, so any and all input is valuable. Also I am a complete novice when it comes to Android or mobile development so if you can show me the light with a third alternative that'd be great too.

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General :: Receiving Picture Messages With No Data

Apr 23, 2013

so my phone battery is terrible, so i have an app that shuts off the network in certain situations.. my question is this: i know that when the network is off, i am not capable of receiving pix. but when the network comes back, will i eventually get the pictures i was sent? ive heard of some ppl getting my pix hours after i send them, so i hope i should at least get the pics.. if so, is there a way to speed up the process?

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HTC Incredible :: Internal Folder Structure

Nov 7, 2010

Where does the music folder belong in internal memory? A while back I moved all music to my SD card, including the folder. Now I'd like to move some music back to internal memory but I forget where the folder should go. Thanks.

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Stuck In Global Structure Of Quiz App

Sep 20, 2012

I recently started programming in Android, and as a beginning project I am trying to build a logo quiz app. The idea: You see a splash screen after opening the app (play game - about). Play game takes you to a new activity called where you can choose the level you want to play. Clicking on a level takes you to another new Activity created a SQLite db with 20 questions in it which I install with a class, every question also has a level column.

However, I get lost in my global structure. Since I work with different levels I don't want to make a new class for every level. I guess I lost the overview due to my lack of programming in android, but I figured the best way to learn it is (after I watched tutorials) to build an app myself..

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Motorola Droid :: What's Folder Structure For Playlists?

Nov 16, 2009

Can someone that has created playlists take a look at the folder structure on their sd card and post it. I want to create one manually.

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HTC Incredible :: Proper Structure Or Hierarchy To Set Up Folders?

May 3, 2010

Does anyone know what is the proper structure or hierarchy to set up folders on either the phone's memory or the SD card. Should I have a "music" folder, or "mp3" one, should they be in "media" or just sitting on the root directory?

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Android :: How's Android Directory Structure?

Jul 21, 2010

How the directories are disposed? Where do I copy my musics and pictures in my virtual device to test my apps? update: I entered the internet on the Android's virtual device, tried to save an image, and it says that "An SD card is required". I thought I've read in the that the device has a SD card by default. Anyway, I'll look for how to create it.

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