Android :: Background Thread - Application To Sync Contacts Largest Number

Oct 18, 2010

I am working on an application to sync contacts which are large in number. The syncing takes place in a background thread with user being able to browse through the rest of the application. I am displaying the sync status in the notification bar suing the progress bar. The problem I am facing is that there are instances when the activity is killed and hence the background thread used for syncing the contacts is purged.

Android :: background thread - application to sync contacts largest number


Android :: Run Background Thread In Application?

May 21, 2010

I need to run a background thread in my application. Could you please share the best practices where to initiate the thread so that keeps running irrespective of the Activity is being shown and things to consider. The purpose of this background thread is to fire transactions from the Simulator to the server and get the response back from the host.

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General :: Contacts Sync Doesn't Save Number

Dec 7, 2012

What exactly does joining contacts do?I have joined all my duplicates and contacts from different lists together so there's only one entry per person.If I go on them, they're all listed under my Google Account under my email address. however some of them I merged on my phone aren't merged on gmail contacts.

And I see all the names now of my list, but the numbers aren't saved.. just their name, sometimes their email address..I'm currently on an old T-Mobile G2 but getting N4 soon..

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Android :: CursorAdapter Run In Background Thread?

Sep 24, 2010

Does the CursorAdapter run on a background thread and posts updates via the UI looper thread? If not what is the best pattern to load data asynchronously from a ContentProvider?

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Android :: Avoid Background Thread Been Killed?

Mar 1, 2009

As is mentioned above,What i'm trying is to protect a sub- thread,and keep it going on as long as the App that starts it is still alive.In other words,If the system need more resources,Let it kill both the App main thread and the sub-thread started from it,Instead of just kill the sub-thread.Is there any way i can do this ?? And another question here,The android system seems to be "rude",As it killed my thread without telling me,even in the logs,Is this the case?

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Android :: Leave Running Thread In Background?

Feb 17, 2010

is there any way to leave a thread in background when i close the app in android? I read about a Service but implementing it is too much than i need.

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Android :: PopUp Dialog From Background Thread

Jun 22, 2009

I need to popup dialog to be showed when i get a message from differnt thread but the dialog should be not dependent on Activity i.e, it should display the dialog wherever the screen focus is .can it be done ..because the dialog is handled per Activity ,i thought of using service but again it would be one more thread added so want to avoid that.

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Android :: Raise AlertDialog From Background Thread?

Nov 25, 2009

In my activity there's some stuff going on in a background thread, which gets started in Activity_1. The processing of the background thread takes a while and I want to notify the user when it's completed via an AlertDialog. However, the user might have changed to Activity_2 or Activity_3 in the meantime and I would like to pop up the AlertDialog always in the current Activity.

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Android :: How To Get Number Type For Contacts Number

Sep 6, 2010

it is opening phone contacts and when i choose one contact i can get all detail of the contact but not getting the number type of numbers; more specific >> if the user have four numbers, i can get all number but not getting number type of these numbers i.e. HOME,WORK,MOBILE)

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Android :: Create Thread In Background For Playing Sound?

Nov 4, 2010

how create thread in background for playing sound?

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Android :: How To Stop A Background Thread On Keyboard Flip?

Oct 24, 2009

How can I stop a background thread on keyboard flip in android?

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Android :: Modifying Adapter Content From Background Thread

Sep 14, 2010

I've read up quite a bit on the exception thrown while using BaseAdapter, but i can't seem to find an alternative solution: Make sure the content of your adapter is not modified from a background thread. What i want to achieve is to keep a copy of a message queue in memory, and use this message queue to populate the BaseAdapter for my ListView. The reason im doing this is that the message queue will keep getting messages from a socket even when the ListView is not currently present (for example a chat window).

The problem comes when i have the Activity with the ListView in foreground, BaseAdapter binded to the message queue's data, and a message comes in the socket. Adding the new message into the queue will throw the exception mentioned above. Unless i pre-populate my BaseAdapter with the message queue (as in the BaseAdapter having its own message queue) and updating both of them when a new message come in, i can't really find a way around this issue. I don't really want to double up the effort on keeping those 2 queues up-to-date like this, surely there is a better way of doing this? Send broadcasts around doesn't work either because of the potential delay in the adapter serving a scroll and the notifyDataSetChanged call is made.

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Android :: How To Update View Object On Main Thread By Background?

Mar 3, 2009

My purpose is very simple : each 1second, I want to redraw an object on different place on background. I do not know where my error on this code below. Here is my code:
public class My_View extends View{ private Bitmap mBackground_img;
private Drawable mMoveObject; private int mObjectw,mObjecth; private int Dx,Dy;
private Handler myHandler = new Handler(); private long lasttime;
public My_View(Context context,AttributeSet ats,int ds) {
super(context,ats,ds); init(context);
} public My_View(Context context,AttributeSet ats) { super(context,ats);
init(context); } public My_View(Context context) { super(context);
init(context); } public void change() { invalidate();
} private void init(Context context) {
Resources res = context.getResources();
mMoveObject = res.getDrawable (R.drawable.lander_firing);
mBackground_img = BitmapFactory.decodeResource(res, R.drawable.my_pic);
mObjectw = mMoveObject.getIntrinsicWidth();
mObjecth = mMoveObject.getIntrinsicHeight();
Dx = Dy = 0; lasttime = System.currentTimeMillis() + 1000;
Thread mthread = new Thread(null,doBackground,"Background");
mthread.start(); } private Runnable doBackground = new Runnable() {
public void run() { long now = System.currentTimeMillis();
if(lasttime < now ) { Dx = Dx + 10; Dy = Dy + 10;
lasttime = now + 1000; myHandler.post(change_view);
} } }; private Runnable change_view = new Runnable() {
public void run() { change();
} };
@Override public void onDraw(Canvas canvas) {
canvas.drawBitmap(mBackground_img,0 ,0 , null);
mMoveObject.setBounds(Dx, Dy, Dx+mObjectw, Dy+mObjecth);
mMoveObject.draw(canvas);
} }

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Android :: Game Doesn't Work Due To Thread Background Processes

Mar 8, 2010

I have written a very simple game with some simple animations, but I've noticed that when the phone checks email, or several other apps are running, the animations that update in my thread start behaving slowly or choppy. This is a problem as the game mechanic requires some careful timing of your screen touches based on the animations. So if it starts behaving erratically, the game doesn't really work well - and isn't much fun.
Is there a way to prevent this? Can my threads have a higher priority when they need to run?

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Android :: Run Query On Background Thread On Cursoradapter Doesn't Get Called?

Jul 25, 2010

I have a listactivity as a startup screen in my application. Which is displaying database records using custom cursor adapter. On create I set the filterable flag - getListView().setTextFilterEnabled(true)

My cursoradapter overrides runQueryOnBackgroundThread which runs corresponding query. The problem is that after typing some text and hitting enter, runQueryOnBackgroundThread never gets called. However, when the item click in the same view launches another activity(detail view of the record) and I come back to the original list activity, hitting back button, then text filtering works just fine. I don't call setTextFilterEnabled anywhere except during the initialization process and I can't really find any other API affecting this behavior, so any guesses why text filtering doesn't work initially, but all of the sudden starts working when I come back to the list activity from child activity?

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Android :: ASync Task Progress Dialog Not Showing Until Background Thread Finishes

Apr 24, 2010

I've got an Android activity which grabs an RSS feed from a URL, and uses the SAX parser to stick each item from the XML into an array. This all works fine but, as expected, takes a bit of time, so I want to use AsyncActivity to do it in the background. The line items = parser.getItems() works fine - items being the arraylist containing each item from the XML. The problem I'm facing is that on starting the activity, the ProgressDialog which i create in onPreExecute() isn't displayed until after the doInBackground() method has finished. i.e. I get a black screen, a long pause, then a completely populated list with the items in. Why is this happening? Why isn't the UI drawing, the ProgressDialog showing, the parser getting the items and incrementally adding them to the list, then the ProgressDialog dismissing?

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Android :: How To Handle Screen Orientation Change / When Progress Dialog And Background Thread Active?

Jul 10, 2009

My program does some network activity in a background thread. Before starting, it pops up a progress dialog. The dialog is dismissed on the handler.This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either crashes, or deadlocks, or gets into a weird stage where the app does not work at all until all the threads have been killed.How can I handle the screen orientation change gracefully?

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Android :: Contacts - Fetch Contacts Number From Phone

Aug 2, 2010

when i am using this class it is written there use contactscontract but am not getting how to use this class to fetch contacts number from phone.....

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General :: Droid 3 Contacts Have Phone Number - Same Contacts In Gmail Do Not

Jun 22, 2013

I have contacts on my Droid with phone numbers that the same contact in Gmail do not have. Some history:

I have a Droid 3. My Accounts include my main Gmail acct, a gmail acct I hardly ever use (no contacts issues there), a pop3 account and a Touchdown-Exchange account which I dont need because Im not connected to that Exchange server any longer. Some time ago, since I wasnt on the Exchange server any more, I deleted the Touchdown account. Then I realized some or most of my Google contacts had disappeared from the phone. Thinking that this would delete the same contacts from the Gmail servers when it synced, I immediately restored the Touchdown account, restoring the lost contacts to the phone. Are these 2 issues related?

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Android :: Sync Between Local Service With Thread And Activity

Jun 1, 2010

I'm trying to think of a way on how to sync in between a local service and the main activity.

The local service has,

A thread with a socket connection that could receive data at any time.
A list/array with data.
At any time the socket could receive data and add it to the list.

The activity needs to display this data. So when the activity starts up it needs to attach or start the local service and fetch the list. It also needs to be notified if the list is updated.

I think I would need to sync my list somehow so the local service does not add a new entry to it while the activity fetches the list when connecting to the service.

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Android :: How Do I Sync Message Queue Thread In Unit Test?

Mar 30, 2010

I'm writing unit tests for a ListActivity in Android that uses a handler to update a ListAdapter. While my activity works in the Android emulator, running the same code in a unit test doesn't update my adapter: calls to sendEmptyMessage do not call handleMessage in my activity's Handler. How do I get my ActivityUnitTestCase to sync with the MessageQueue thread and call my Handler?

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Android :: Moving Cursor Adapter Cursor Creation To Background Thread

Mar 29, 2010

The structure of some of my activities is a simple ListView with a custom CursorAdapter. The cursor is created in onCreate() on the activity from a SQLite database. The problem is that querying the SQLite database can be quite slow at times with lots of data (and let's assume I've already optimized the sql query as much as possible). Because it occurs in onCreate() on the UI thread, I get ugly black screens when opening the activity, which sometimes turn into ANRs, on a slow phone like the G1. I want to load the cursor in a background and show "Loading.." on screen while doing so. I saw AsyncQueryHandler used extensively in the framework, but this seems a solution geared more towards Content Providers and not application-local SQLite databases. I then thought of trying to load the cursor in a background thread, but realize that this might be problematic, as the CursorAdapter should be instantiated in onCreate() and should take a cursor as a parameter. The latest thought I had was to instantiate an empty MatrixCursor in onCreate() and pass that to the cursor adapter, while kicking off a thread/TimerTask to query the database. Then, on database cursor load, call cursorAdapter.change Cursor to the properly filled cursor. This doesn't seem very elegant and seems quite wasteful, however.

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General :: Largest SD Card Work With Transformer Prime?

Mar 2, 2012

What is the largest SD card that will work with the Transformer Prime? Going to be doing a lot of traveling next week and want to load up a bunch of movies.

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Android :: Contacts Disappearing - Sync Out Of Sync

Oct 11, 2010

Anyone else having Sync problems. My contacts started disappearing and when I went into my accounts settings there is a message at the bottom that says that Sync is currently experiencing problems and will be back shortly. This started yesterday.

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Android :: Useless Application Thread

Jan 15, 2010

I've seen talk of some of the more "useless" apps for the iphone lately(Champagne bottles, bottle caps, farts, etc), and thought may be a thread on them here would be interesting, so here goes. Please list here any apps that you may have that are basically useless functionality-wise, but are gag apps, funny, strange, or even just plain stupid. Please note they have to be compatible with the Moto Droid(which is why this thread is in this subforum).
On my Droid are:
FartDroid Champagne Dildroid Spark Beavis and Butthead Soundboard Sound Grenade Tricorder

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Android :: Separate Thread Within Application For Bluetooth Connection?

Aug 4, 2010

I want to write a separate Thread within my application (to do Bluetooth connection). Any idea where I can find any reference for help to write Threads in Android? I searched online but could not find any proper reference.

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Android :: At Time Of Closing An Application / How To Stop A Thread?

Jul 5, 2010

I use the following code to receive the data using UDP. When I click the back button my screen visual is closed and it shows the home screen. But a thread is working in the background (it receives the data from the UDP server). When I close the application I also need to stop the thread. How to stop a thread? Code...

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Android :: Stop Thread At Time Of Closing Application

Jul 4, 2010

I am new to android.At the time of closing application i need to stop the thread in android. Can anyone help me to solve this?

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Android :: Update View Only From Application Main Thread

Oct 19, 2010

Curious to know the reason behind not allowing updating UI elements from background thread in Android. Will main thread does something more (probably interacting with framework) after updating the UI elements so that changes can be seen on the screen? Is it the same case with other GUI tool kits?

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HTC Desire :: Android 2.2 - Sync Phone Number With Gmail Account

Sep 14, 2010

I want to sync my phone contacts with the gmail account. I read several threads from this forum and tried to change from phone contacts to google contacts instead. However, nothing happen when I manually sync. The icon rotating indicated that sync was in process. Afterward, I checked on my gmail's contacts, nothing change. No contact has phone number. I even tried to create some dummy contacts but not work either.

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