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?

Android :: expandablelistview can not use notifyDataSetChanged()?


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.

View 1 Replies View Related

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:...............

View 11 Replies View Related

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:.................

View 1 Replies View Related

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.

View 3 Replies View Related

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.

View 2 Replies View Related

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:...............

View 2 Replies View Related

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:...............................

View 1 Replies View Related

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.

View 2 Replies View Related

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.

View 1 Replies View Related

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?

View 2 Replies View Related

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.

View 1 Replies View Related

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.

View 1 Replies View Related

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.

View 1 Replies View Related

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?

View 1 Replies View Related

Android :: Xml Parser With Expandablelistview

Oct 27, 2010

I need to implement an xml parser and the parsed result into an expandablelistview.

View 1 Replies View Related

Android :: ExpandableListView Won't Redraw

Jul 29, 2009

I have an expandable list view with a static array for the group data and an SQLite database for the child data. It is implemented with the BaseExpandableListAdapter and works great, except, when I edit the database to delete or add children to the list I do not see the changes onscreen. It looks like I can use the registerDataSetObserver method to notify the adapter and expandable list of a data change. What I have to do in the callback to make Android redraw the list after data changes is what I need to know. Can I do it? Documentation on this part of the SDK is a bit sparse and expandable list view example code is not a good match. Can anyone offer advice on how to use a DataSetObserver? It feels like I have to switch over to a Cursor type adapter.

View 2 Replies View Related

Android :: Set ChlidDivider In ExpandableListView?

Dec 15, 2009

This is my ExpandableListView

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

When I execute this in emulator, green(childDivider color) is all over the place.

It seems if childDivider is ColorDrawable, it has no bound.

View 2 Replies View Related

Android :: Filter In ExpandableListView?

Mar 18, 2010

I have an ExpandableListView with several groups and each group contains several children. I want to make this list searchable, just like a regular list view. I have a SimpleCursorTreeAdapter (mAdapter) for this expandlable list.

I tried to use the built in list filter using:

CODE:.......

The above code does not work for filtering.

How can I implement the search/filter functionality?

View 2 Replies View Related

Android :: Animating The ExpandableListView?

Sep 17, 2010

Is it possible to animate the expanding and collapsing of the groups in a ExpandableListView.

View 3 Replies View Related

Android :: Onchildclick In ExpandableListView?

Jun 17, 2009

I need a solution how to get the OnChildClick working for my ExpanableListActivity.

when starting of this project the Listener was working, but now i get nothing out of it?

i tried setting the listener through: "getExpandableListView().setOnChildClickListener(this);" at several point, but it isn't responding.

Here's the source code:

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

View 3 Replies View Related

Android :: LinearLayout In ExpandableListView

Jul 18, 2010

I want to inflate a childView of ExpandableChildView component.

Code:.............

Where linearOpt is a vector that contains a lot of LinearLayout objects that I have instantiated.

CODE:..

This is R.layout.itemrow xml:

But I received this error:

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

View 1 Replies View Related

Android :: ExpandableListView Context Menu

May 14, 2010

I'm trying to add a context menu to my ExpandableListView. I've implemented onCreateContextMenu() and onContextItemSelected() but if I hold my finger on a menu item context menu doesn't appear. What's my mistake?

View 1 Replies View Related

Android :: ExpandableListView - Is Conditional Expansion Possible

Aug 12, 2010

I have an ExpandableListView bound to a SQLite database. To simplify things, lets assume the database contains two columns: title and body. In the ExpandableListView, there is a group for each title, and a childfor each corresponding body.

Now to make things more interesting, some of the rows in the SQLite database do not have a body (that is... they only have a title). As you can see, if there is no body, then there is no reason to expand the group... because the child will be empty (i.e. String body == "").

I'm searching for a way to catch a situation like this, and skip the group's expansion. I don't want a blank child to be expanded. To put it in psuedo code, I want something like this:

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

View 1 Replies View Related

Android :: Refreshing Data In ExpandableListView?

Apr 24, 2010

My problem is when I want to refresh data in ExpandableListView while being in that current activity. I create adapter and when I want to add new data to list I call again constructor of that adapter(it is my private variable) with all new data....and then I call onContentChanged() method to redraw my list.
But what happens is that I cant expand my list any more...like it is blocked or something and logcat isn't saying anything...

This is the code that i call after setting new data in arraylists and maps:

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

View 1 Replies View Related

Android :: Create A ExpandableListView In One Activity?

Nov 2, 2010

I'm trying to create a ExpandableListView in one activity. I've looked in apis demos, and I've created ExpandableListView. The problem is, that I need to have this ExpandableListView in activity that is already created, and not in a new one.

I've used this code:

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

View 3 Replies View Related

Android :: Possible For The Child Of An ExpandableListView Also Be A Parent?

Nov 5, 2010

Is it possible for the child of an ExpandableListView also be a parent?

For example, I need something like the following: ParentA ChildA ChildB ParentB ChildC GrandchildA? GrandchildB? ParentC

View 4 Replies View Related

Android :: ExpandableListView Indicator Over My Text

Dec 2, 2009

I'm using an ExpandableListView in one of my activity in a RelativeLayout

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

And I'm using a custom expandableListAdaptaer which group view is:

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

(Found on examples of API_Demos, ExpandableList1)

A user of my application report me this photo http://binomed-android-project.googlecode.com/issues/attachment?aid=-... As you can see, the indicator of group items is over the text of group item despite the padding of 36...

And if I'm running emulator WVGA800 or an emulator with "abstracted LCD density" to 240 I have the same problem, but with my phone (HTC G1), I don't have any problem.

What is strange is that I try the application API_Demo with an emulator WVGA800 or an emulator with "abstracted LCD density" to 240 and I go to ExpandableList1 activity and all is alright !

I also try to copy the inner class available in ExpandableList1 for adapter and I launch it into my activity and I also have the problem see on photo

I am forced to manage density into my adapters in order to adjust the padding?

View 3 Replies View Related

Android :: Customize The Parent In An ExpandableListView?

Sep 16, 2010

I'm trying to customize the parent(or header) for an expandablelist and I haven't found a solution yet. I want an imageview and two textviews in the parent. This is driving me insane atm.

View 2 Replies View Related

Android :: ChoiceMode Compatible With ExpandableListView?

May 12, 2010

Is it possible to make a multiple choice list with android:choiceMode="multipleChoice" or setChoiceMode(ListView.CHOICE_MODE_MULTIPLE) on an ExpandableListView? I am able to do this with CheckBoxes on a plain ListView, but it doesn't seem to be working with ExpandableListView. In the latter, clicking the list item (either parent or child) does not affect the checkbox as it does in the former.

I have noticed that it is possible to click exactly on the checkbox to make it toggle, but this is a very small target.

View 1 Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved