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.

Android :: Calling notifyDataSetChanged doesn't fire onContentChanged event of SimpleCursorAdapter


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 :: 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 :: Buttons OnClick Event Fails To Fire?

May 18, 2010

I have an activity, where the ListView holds customized linear layout elements for each row. One of the rows has a button defined as:

<Button
android:text="Pick a contact"
android:id="@+id/btnPickContact"
android:layout_width="wrap_content"
android:gravity="center_vertical"
android:layout_height="wrap_content"></Button>

Then in java, I have 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 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 :: 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 :: Telephony Manager Event Off_hook / Not Giving Calling Number In Emulator

Nov 9, 2010

I am not getting call in number in off_hook state when it is only coming in dialing state. According to documentation it should provide call in number for off_hook state as well. Is it a bug?

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Android :: OnKeyDown Doesn't Capture Event

May 26, 2009

I have a proble with onKeyDown: my activity consists in a simple textView (as header) and a ListView below it, I need to go back to the previous screen when the user presses the back button.Thus, I implemented the onKeyDown method. Everything works fine if the list contains some elements, but when the list is empty the onKeyDown method is never called.

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Android :: Browser Doesn't Respond To Trackball Click Event

Jun 11, 2009

We encountered a strange problem in Browser. When browsing certain web page with CGI form, browser doesnt respond to trackball click event unless we play around the UI ormove cursor around or switch between application. However, tocuh screen works all the time. I can't give an example of problem making web site yet. Just wodering is it an isolated case to me.

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HTC Magic :: Doesn't Display Name Of Person Who's Calling

Sep 7, 2009

Got new magic with rogers network and have caller i.d on it. for some reason it doesn't display the name of the person who's calling,only the number.talked to tech support in rogers,was told device doesn't support name display,which doesn't make any sense.please advise if anybody has the same issue.

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Android :: Android: Why Doesn't Activity Appear Immediately After Calling StartActivityForResult

Sep 25, 2009

The application I'm currently working on consists of several dialogs and there is an issue with one dialog I still haven't found the cause.

Running the debugger the execution reaches the following two lines:

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

And then the onCreate() method in DlgLogin class executes as well

But the login dialog doesn't appear. If I leave the device idle for such long period of time that the screen turns off and then press any button on the device to turn it on the login dialog appears.

The dialog of course should appear immediately but so far haven't found the cause of the problem.

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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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HTC Incredible :: Notification Screen Doesn't Hide When Selecting A Notification Event

Sep 14, 2010

So when I get texts, gmail, completed app downloads, etc I get notification icons at the top as usual. When I slide the notification bar down to reveal the nofications and click on an item, the notification screen doesn't hide back to the top of my phone -- it just stays open. I either have to hide it manually or I have to hit the back button, which sometimes exits the app I was trying to open. 2.1 never did this for me, it always hid when choosing an item. Anyone have a solution to this? I've done a factory reset after 2.2 btw. I've also searched support to see if there was a similar problem, no similar threads.

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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 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 : LongClick Event Also Triggers Click Event

Apr 12, 2009

I use onLongClick and onClick events of a button to get user inputs. Whenever; the user long click and triggers onLongClick event, the onClick event is also triggered. I couldn't find my problem. The code of two methods are shown in below: Code...

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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.

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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 :: SimpleCursorAdapter

Jun 25, 2009

I am trying to pull data from a cursor which is initialized as follows:

Uri inboxUri = Uri.parse("content://sms/"); Cursor c = managedQuery(inboxUri, null, null, null, null);

This effectively gets me to latest text message that has been sent/ received. I am now trying to put certain fields into a listView, but need to format them before displaying them. The date is represented in the table in milliseconds and I want to convert it to a date before placing it in the list.

Here is where I am trying to place the date in my list. How can I format these fields before placing them into my listview?

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

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Android :: Spinner - SimpleCursorAdapter

Apr 27, 2010

I'm having problems with spinner. I'm using spinner that is bound to a SimpleCursorAdapter. I want to retrieve the text value of the selected item. So i tried

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

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Android :: AutoCompleteTextView And SimpleCursorAdapter

Apr 14, 2009

I am trying to connect a AutoCompleteTextView with a SimpleCursorAdapter, which narrows down the selection of a list of words, when the user starts typing.

Following some other posts here, I've come up with the following code, but it doesn't work. I defined a FilterQueryProvider runQuery() method for the SimpleCursor Adapter, but when I use the debugger in the code, the response from the ContentResolver.query((0 method call is null.

I think the problem is that there is no relationship between the CONTENT_URI and the SQL database, but I can't be sure.

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

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Android :: SimpleCursorAdapter And Blobs

Mar 24, 2009

The favicon field returned by the browser bookmark provider is a sqlite blob. I want to display the bookmarks in a listview with the favicon but couldn't find a way to do it. I tried using a SimpleCursorAdapter.ViewBinder but I get an exception.

This is what my code looks like :

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

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Android :: How To Use AutoCompleteTextView With SimpleCursorAdapter

Apr 8, 2009

I have an application that involves reading a text dictionary file with about 7000 entries, and allowing the user to choose one of these. My first approach was to allow the user to select one of these by using a AutoCompleteTextView together with ArrayAdapter<String>. This works, but is very slow (~10 seconds to update the word list each time the user enters a character to narrow down the choice).

I was wondering how to rework it so that I could use a database using a SimpleCursorAdapter instead. In other words, to hope that a SQL database could provide a more efficient ordering and access for the elements. Is this the best way to do it? I've also seen several references to SQLiteDatabase, but don't know which one to use.

I found this code fragmant consisting of an extended SimpleAdapter. http://sacoskun.blogspot.com/2008/08...leadapter.html<http://sacoskun.blogspot.com/2008/08/autocompletetextview-with-simple...>

Unfortunately, this is not a complete worked out example. Could someone forward me a more complete example? I've found lots of code fragments, but no code that shows how to initialise the SimpleCursorAdapter contents, or how it works together with the AutoCompleteTextView.

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Android :: Sqlite And SimpleCursorAdapter

Apr 1, 2010

I want to create a table whose primary key will be some other field and not _id . The below table gets created but the value of _id remains null :

"create table accounts ("+BaseColumns._ID+" integer , profile_name text primary key" +" name text not null);";

My doubt is wont _id get auto incremented if we do not place "+BaseColumns._ID integer primary key autoincrement+" .

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Android :: SimpleCursorAdapter.bindView - And Row Views

Oct 22, 2009

I have a problem with bindView() that has me puzzled. I am using it to customize each row, including setting icons, coloring the background and setting up listeners for buttons. It mostly works as expected, but not quite.

When I fill the ListView with SimpleCursorAdapter, I get multiple calls to bindView() for position 0, but only 1 call for the other rows. The problem is that when all is said and done, I have 2 rows (LinearLayout) created for position 0. Here is a sample log extract:

CODE:........

I use a view holder class to hold the view, position and other data so that when a button is clicked, I can retrieve the holder with view.getParent.getTag(). This all works fine. The problem is that there are two views for position 0, but it's the first one in the above logcat that seems to be displayed. My code which acts on the rows when a button is clicked (especially setting background color) does not reliably hit the position 0 row that is actually displayed.

I can see what's happening but I am at a loss about what to do about it. Why are two view created for position 0? Is it something that I can control? How? If not, how should I deal with it so that the results when I modify the views are predictable?

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Android :: Simplecursoradapter - Close Cursor

Jul 19, 2010

If I pass a cursor to a simplecursoradapter, do I still need to close the cursor? if so when: after I pass it to the adapter or when the adapter is finished?

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