Android :: How To Call NotifyDataSetChanged() From A Generic Adapter

May 19, 2010

An OnItemClickListener for a ListView has the following method:

CODE:.......

I'd like to have the adapter behind the ListView refresh, and I believe this is done through the use of:

CODE:.........

How do I use the parent parameter in the onItemClick method to do this? So far I've tried:

CODE:.................

This throws an error because the object returned is of class HeaderViewListAdapter, which for reasons unknown isn't a subclass of BaseAdapter.

Android :: How to call notifyDataSetChanged() from a generic Adapter


Android :: IllegalStateException When Adapter.notifyDataSetChanged() Is Called

May 27, 2010

I have a very simple application. There is a refresh button, everytime it is being clicked, the adapter will call notifyDataSetChanged() to update a ListView. However, I got IllegalStateException all the time.

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Android :: Generic Adapter

Jul 29, 2009

Generic android.widget.Adapter iface has getCount() method which tells e.g. ListView how many items adapter has. what if my Adapter's data source cannot tell me it's size and has only method Object getItem(int position) returning e.g. null when there is no item for that position? in other words i can get some object at given position but don't know maximum value for position so, is it possible to create Adapter not knowing apriori its size?

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Android :: Build Fingerprint - Generic - Google Sdk/generic - 1.5/CUPCAKE - 147336 - Eng - Test-keys

Aug 4, 2009

While running i am getting this error in my logcat and my app exiting automatically...

CODE:....................

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Android :: Sound Doesn't Go Out The Adapter On G1 When Disconnect Call

May 28, 2009

I have my G1 connected to a FM transmitter in my car with my bluetooth headset connected. Music has no problem going out the G1. A call comes in and I connect it. After I disconnect the call, the sound does not go out the adapter on the G1, but out the phone's speaker. Is there any setting to make sure the sound goes out the bottom adapter and not the phone's speaker?

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Android :: NotifyDataSetChanged Example

Sep 8, 2010

I'm trying to use in my Android Application the notifyDataSetChanged method for an ArrayAdapter but it doesnt't work for me.

I found as answer here, that notifyDataSetChanged should run in the main thread, but there was no example for that.

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Android :: Expandablelistview Can Not Use NotifyDataSetChanged()?

Oct 20, 2010

I want to refresh my expandablelistview, but it seems there is no way to use notifyDataSetChanged()? how can i refresh my expandablelistview?

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Android :: Bug With NotifyDataSetChanged() In ArrayAdapter ?

Jun 16, 2010

I have a strange problem with one of my ListActivity. I have overrided the default ArrayAdapter in order to customize my list. I have then filled the adapter with an ArrayList.

If I insert an element on the list and then call notifyDataSetChanged() on the adapter everything works fine.

But if I insert an element at the END of the list and then call notifyDataSetChanged(), the new element doesn't appear ...

And finally if I override getCount() on my adapter like this :

CODE:...............

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Android :: NotifyDataSetChanged Doesn't Work?

Sep 8, 2010

I write following application:

There is an AutoCompleteTextView field as Adapter I'm using ArrayAdapter with ListArray the ListArray consists of some constant string item and one item, which will be changed dynamically everytime user typed something in the field

I took TextChangedListener to update this last list item. But it seems, that update occurs only once.

I add a bit code of me. May be somebody can show me, what did i do wrong.

CODE:.................

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Android :: NotifyDataSetChanged Not Working As Expected

Jan 25, 2010

The problem is that notifyDataSetChanged() is not firing up getView() of listView class.

I have an activity class in which i have Gallery Adapter and custom List Adapter (extending base class and overriding getView). What i want is, if i select any picture from gallery then, the list should get updated (dont worry about the data source now, as i am using static images for gallery and static string array for listview). After getting onClickevent from gallery i am calling notifyDataSetChanged via listView Adapter Context so that getView of listView should be called and i can supply another static string array to change the list, but getView of listView is not being called.

If i call notifyDataSetChanged from onClickEvent of listview, then getView of listView is being called. How shall we use notifyDatasetChanged to update the listview using event from another adapter.

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Android :: Difference Between NotifyDataSetChanged() And NotifyDataSetInvalidated() ?

Aug 4, 2010

I have a doubt that what is the difference between adapter.notifyDataSetChanged(); adapter.notifyDataSetInvalidated();

Because when i used both one by one, both worked exactly same. Please let me know what is the exact difference between these two.

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Android :: Adapters NotifyDataSetChanged Does Not Work

Oct 18, 2010

I have a list view which I'm trying to refresh to update it self when i add an element to the underlying array list.

Here is the code snippet:

CODE:.....

The arrlEvents is the underlying arraylist with the events, and im adding one event, trying to update the list view with notifyDataSetChanged(), but it doesnt work.

Here is the source code for the adapter:

CODE:...............

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Android :: Calling NotifyDataSetChanged() Throws Exception

Oct 7, 2010

I have a ListView that I'm binding to an adapter. The adapter is a protected member of my main class. I have a listener thread that receives data and updates the source list for my adapter. When I call the adapter's notifyDataSetChanged() method, an exception is thrown:

Runtime Exception: PhoneLayoutInflater(LayoutInflater).inflate(int, ViewGroup, boolean) line: 322

I've read that the notifyDataSetChanged() method has to be called on the UI thread, and I'm doing that. In fact, just to be sure, I even update the ListView's data source on the UI thread. All I do in my listener thread is update a protected member that houses the data. Here's an example of what I'm doing (note that I don't have the part of the code that calls the AsyncTask, but it's fired from a listener):

CODE:............

Does anyone have any pointers or ideas as to why I'm getting this exception? Any help is much appreciated.

Here are the layout files, as requested:

main.xml:

CODE:....................

row.xml:

CODE:...............................

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Android :: NotifyDataSetChanged Doesn't Update Screen

Apr 26, 2010

I've a question about ListActivity & ListView & CursorAdpater. The problem is that my listview isn't updating when I call notifyDataSetChanged method from adapter, after I delete an item from database.

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Android :: ListView Not Getting Updated On Calling NotifyDataSetChanged()

May 26, 2010

I've created a custom listview which looks the twitter timeline and contains posts. The following function gets a list of posts from server, parses them and adds them to the list used to populate the listview.

CODE:.....

After calling this function, the list adapter was notified of change in data set by calling

CODE:...............

in the main thread. But the listview doesn't updated. For trail purpose I added a button on top of list view and called the populateTimeline() again and then notifyDataSetChanged() when the button was clicked. Surprisingly all the posts pop up in the ListView this time. What should be done so as to update the listview without the button click?

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Android :: NotifyDataSetChanged() Doesn't Update ListView

Aug 30, 2010

CODE:........

My array clearly has been updated, and I can see the change when my app starts, but why doesn't it update in this method? The code enters this method.

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Android :: Calling NotifyDataSetChanged Doesn't Fire OnContentChanged Event Of SimpleCursorAdapter

May 18, 2010

I have this scenario

onResume of an activity:

CODE:............

Adapter has been defined as:

CODE:.............

And the onContentChanged event is not fired, although the onResume and the call to the adapter is issued.

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Android :: Android - NotifyDataSetChanged() Not Updating Listview After Orientation Change

Jun 21, 2010

On a click event I create a thread and start a long-running operation based on this method. After the long-running task is completed, it does a callback to another method, which does a post to the handler:

@Override
public void contentSearchModelChanged(Model_ContentSearch csm, ArrayList<Class_Reminder> newRemindersList) {
remindersList = newRemindersList;
mHandler.post(mUpdateDisplayRunnable);
}...........

This works beautifully when I do this normally. However, if I change the orientation while the long-running operation is running, it doesn't work. It does make the callback properly, and the remindersList does have items in it. But when it gets to this line:

r_adapter.notifyDataSetChanged();

Nothing happens. The odd thing is, if I do another submit and have it run the whole process again (without changing orientation), it actually updates the view twice, once for the previous submit and again for the next. So the view updates once with the results of the first submit, then again with the results of the second submit a second later. So the adapater DID get the data, it just isn't refreshing the view. I know this has something to do with the orientation change, but I can't for the life of me figure out why. can anyone suggest an alternative method of handling threads with orientation changes?

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Android :: Generic DB App

Nov 30, 2009

Is there a generic database application out there? I haven't found any in the market or mentioned in these forums.

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HTC EVO 4G :: MMS / Generic Replacement For Htc Mms On 2.2 Android?

Sep 26, 2010

I wonder if there is generic replacement for htc mms on 2.2 android ? Every time i try to send mms I get unable to resolve send address. I have android plan and I installed apn but I cant get it to work. Does anyone knows how to get evo to send mms on cricket. Also is there generic virtual voice mail app?

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Android :: AsyncTask Not Generic

Jul 18, 2010

When I try to compile to following code, I get two errors:

Description Resource Path Location Type
Syntax error on token "void", invalid Expression AsyncTask.java /AsyncTask Project/src/org/me/asynctask line 19 Java Problem

Description Resource Path Location Type
The type AsyncTask is not generic; it cannot be parameterized with arguments AsyncTask.java /AsyncTask Project/src/org/me/asynctask line 25 Java Problem

CODE:............

Obviously AsyncTask IS a generic (http://developer.android.com/reference/android/os/AsyncTask.html#execute so why do i get those errors?

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Android :: 2.1 Generic Image

May 25, 2010

Does anyone know where I can find a generic image of Android 2.1? I have a Commtiva Z71 a.k.a Cincinnati Bell Blaze (which runs on Qualcomm MSM7227, 600 MHz) and no one has released instructions on how to root it or do really anything fun with it yet.

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Android :: Is There Way To Get / Set Generic Device Name?

Nov 4, 2010

Is there a way to get/set a generic device name ? My app will offer the user an option to use the same app on several devices and they will be aware of each other through server. 1) Is there anything in the APIs to allow me to fetch some kind of friendly device name (cannot be OS/model since user might have the same on both devices) ? 2) AFAICT the only option is to use Bluetooth name but how can I fetch my device name in code?(and it's a nag do explain the user to use bluetooth just to set the name of the device)

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General :: Android 4.2.2 Generic Root?

Sep 25, 2013

can recommend a Root method that might work for the following phone configuration.My phone is custom built by a Sonim OEM, but factory modified to the Companies own brand.. its comparable to the Sonim A3, at least in outward functionality and durability, being waterproof, etc... but the internal hardware compilation is likely different, but I'm not sure how..

Here is my log from Android System Info.. it says at the bottom, user is root? but I dont have root access.. i ran Root Checker Basic, and it said I dont have a rooted phone.. I also did the terminal test & su was unrecognized and returned $ and not #

Here are the specs:

Android version : 4.2.2
Release Codename : REL
API LEVEL : 17
CPU ABI : armeabi-v7a
Manufacturer : alps
Bootloader : unknown
CPU ABI2 : armeabi
Hardware : mt6572
Radio : unknown
Board : mbk72_wet_jb3
Brand : alps
Device : mbk72_wet_jb3
Display : A8_V1.0
Fingerprint : alps/mbk72_wet_jb3/mbk72_wet_jb3:4.2.2/JDQ39/1378194655:user/test-keys
Host : android
ID : JDQ39
Model : A 8
Product : mbk72_wet_jb3
Tags : test-keys
Type : user
User : root

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General :: Can't Get Any Updates / Can Put Generic Android OS On Tab

Apr 21, 2014

I have a pandigital 7 inch tablet since they are out of business and i can't get any updates can i put a generic android operating system on it and how would i do it?

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Android :: Change Generic Windows Icon

Oct 29, 2008

The purpose of this tutorial is to change the generic windows icon of your G1 to an Android icon. What icon you ask? The generic removable disk icon given to your G1 when you plug it in to your PC. i thought it would be fun to create one that differentiates it from the rest. So here we go!
1. First of all we are going to download the pack ive created for you here.
2. Second we are going to rename the drive to Android G1 like i have on this image.
3. Third we are simply going to unpack the files you downloaded using an application like, WinRAR or 7-Zip. WinRAR offers you a 30day trial and 7-Zip is an open source freeware product. Choose one that fits you.
4. Now we are simply going to drag it into the root of the drive. Seeing since mine is the "K:/" drive, im going to place it in there. Once that is done, highlight both icons and choose properties and check off the "Hidden" attribute so that you don't accidentally delete them.
5. You're all set! Enjoy your new icon! Im going to be making a Vista version for all you people that like high quality icons. Stay tuned!

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Android :: Way To Launch Calendar App With Generic Intent

Sep 13, 2009

There's seemingly no way to launch the calendar app in a generic way. I've written a widget which allows you to launch the calendar. I use the following Intent:

Intent intent = new Intent(Intent.ACTION_VIEW); intent.setClassName("com.android.calendar", "com.android.calendar.LaunchActivity"); startActivity(i);

However, this doesn't work on the Hero because HTC has apparently replaced the calendar in their Sense UI. I'm looking for a "standard" way to reach the calendar. I'd like for something like this to be standardized:

Intent i = new Intent(Intent.ACTION_VIEW); i.setType("text/calendar"); startActivity(i);

Does anyone think it would be worth trying to add this to the source? It seems like there is a missing chunk of standards around calendar events and/or iCal / vCal support. Does anyone know why?

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Android :: Mac - Generic Drive Icon With The Title No Name

Feb 10, 2010

I have a Samsung Moment and it is connected to my iMac for file sharing. By default when you connect, you get a generic drive icon with the title NO NAME.

Does anyone know of a way to change the generic icon? Usually you can do this with the 'get info' feature on the Mac, but once I did this, I just get a blank ICO icon file.

Just thought it would be cooler to use the Android robot icon instead whenever I connect my phone.

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Android :: Generic Listener For Buttons In A Layout?

Oct 12, 2010

I have three buttons defined in xml

CODE:..............

In Java one way to listen to them is:

CODE:.............

For second btn , same code has to be repeated with different id? How can I make it generic enough that , it can listen to all buttons (say in for loop) and while handling I should be able to differentiate different btns. (may be get elements id)

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Android :: How To Return AlertDialogs From A Generic Class

Nov 15, 2010

Within a public class that doesn't extend any other class I'm doing some evaluation stuff and I would like to return a Dialog if something needs to be communicated to the user.

I'm using an AsyncTask to run a method of an instance of this class from the main ui:

CODE:.........

Now, the public Dialog start() method of OnlineActivities.java creates a dialog using the Context that was assigned via it's parameter.

When the Dialog is returned to onPostExecute I receive the following exception

CODE:......................

I suppose I cannot use the context like this. But what would be the alternative? How can I outsource some basic stuff I always need to do, even some general Dialogs? Do I need to use custom intents instead?

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