I cant figure out how to perform an onClick on my ListAdapter.
Here is my code:
CODE:.....................
I want to be able to click on an item from the database, then go into a view that only contains info for that item. My class currently extends ListActivity. I've tried OnItemClickListener, but I dont know what else to use to make it work.
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I'm trying to do the one click lag fix, but I don't know how to perform a reboot. Do I just turn the phone off then on?
View 1 Replies View Relatedwhen I click on one item in the ListView that item's background changes to light gray, but when I continue to scroll through the list every 4th item has the background changed to light gray even though those other items have not been clicked. How do I make only the item I clicked be effected by the click?
ListView lv = (ListView) findViewById(R.id.resultsList);
lv.setAdapter(new ArrayAdapter(this, R.layout.resultitem, (String[])labelList.toArray(new String[labelList.size()])));
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView parent, View view, int position, long id) {
TextView tv = (TextView)view.findViewById(R.id.result);
tv.setBackgroundColor(Color.LTGRAY);
tv.setTextColor(Color.BLACK);
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?
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i have the following problem. I fill a ListView with a custom ArrayAdapter with data from a BD. However, in background, i'm updating those datas from the info provided by an API, so the idea is when the update finish, the adapter shows the updated data instead its "old version".
The problem is that when i do that, i notice a lag while the adapter is updating itself. Is the any efficient solution to avoid this?
Lets say I have 1 - 1,000 in a list and I click on 250. When I push the back button I want to go back to 250 not all the way back up to 1. Is this possible?
View 1 Replies View RelatedIs there a way to use ListAdapter in preferences screen ? or i must use only chekboxpreference, textpreferences, etc....
View 1 Replies View RelatedI've built an application that loads XML from a server, then creates a list of items and with that I create and adapter that I set with setListAdapter(my adapter);
The problem I'm having now is that creating the list and adapter takes time, so I was thinking on creating just like 20 entries and populate the list, then create the rest on runs background or maybe when the person gets to the bottom (like gmail application).
I am trying to use ListView and ListAdapter. If I create a simple Android project and add a ListView as the content view, and set it's adapter to my adapter based on ListAdapter, everything seems to work. My ListAdapter's 'getCount' is called, and I return 3, my 'getViewTypeCount' is called and I return 1, my 'getItemType' is called and I return 0, and for each item, my 'getView' is called and I return a TextView. Everything works, and the list is displayed with 3 items.
Now if I try and do the same thing in a more complicated environment, it does not work. My 'getCount', 'getViewTypeCount' and 'getItemType' methods are called, but the 'getView' method is never called and the ListView appears empty.
Now I know that I must be doing something wrong in the more complicated case, but I cannot see what it is. The code is really too involved to post here, but I was hoping that someone could give me some ideas as to why my 'getView' is never called even though I return 3 from my 'getCount' method.
I'm crating tab view using this tutorial: Link<http://developer.android.com/resources/tutorials/views/hello-tabwidge...>. Now I need to reload tab content data when user view that tab. is there any way to notify ListAdapter ?
View 2 Replies View RelatedIs there any way to notify ListAdapter? Because i need to load Tab content data when user click in that Tab.
View 1 Replies View RelatedI have a ListView in my Activity. I am trying to catch both a click and a long click (which should bring up a context menu).
ListView lv = (ListView) findViewById(R.id.MyListView); ... lv.setOnItemClickListener(this); lv.setOnCreateContextMenuListener(this); ...
I notice that if I have both the click and long click listeners up, I won't ever get the long click listener (i.e. the context menu). If I remove the setOnItemClickListener() call, i get a call into
@Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
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I have just started my career as an android programmer, and am currently relying heavily on the sample code and api examples. I have been working with this api example, to produce an expandable list of items (note this example does not use the ExpadableListView).In playing with the example, I tried to add another widget that would become visible and be gone at the same time as the text (mDialogue in the sample code). This works well with another TextView, but as soon as I tried to add a button widget, it stopped working. The list would expand on first click, showing my hidden TextView and Button, but it will not disappear on further clicks. The button is however, clickable, and I was able to set up an onClick listener to change the button text back and forth.I'm starting to wonder, is it just not possible to have a clickable item inside a clickable list item? Or is there some kind of work around? Would it solve my problem if I used ExpandableListView?
View 1 Replies View RelatedI'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
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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.
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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 :
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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.
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+" .
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:
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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?
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?
View 2 Replies View RelatedSince the query that comprises my ListView basically gets the rowID, name, and a third column from my databases's table, I want to be able to filter the cursor based on the partial value of the name column. However, I am uncertain of whether I can do this directly from runQuery without expanding my DB class since I want to filter the existing cursor, or will I have to create a new query function in my DB class that partially searches my name column, and if so, how would I go about creating the query statement while using the CharSequence constraint argument in runQuery?I am also concerned about the performance issues associated with trying to run multiple queries based on partial text since the DB table in question has about 1300-1400 rows. In other words, would I run into a bottleneck trying to filter the cursor?
View 1 Replies View RelatedI have a problem with adding new items to ListView.
I use custom adapter MyListAdapter. I do that way:
CODE:...................
My code works like this to list all items in my String array - itemsarray
CODE:....................
However, I know by this call that I only want to list the first X number of items from itemsarray. How can I load only the first X items form itemsarray into the ListAdapter?
I'm experimenting with the Android platform, and I'm beginning to love it, but right now I'm stuck, at this cursor/list adapter problem-thing.
The thing is, that I request a function, returning a data object, with several properties I'd like to map to different TextView's.
My list_item.xml
CODE:...........
So what I would like to do is: Map a property of an array of objects to several fields in the file.
public class List_View extends ListActivity {I would like to show stored data from database into a ListView. Code... Title and Date only.
View 1 Replies View RelatedThe problem is as follows: - My app is deriving from TabActivity that has 3 tabs - Each tab has a ListView - Tab1 is populated by an adapter that inherit SimpleCursorAdapter and overrided the bindView() method. This tab is displaying correctly. - Tab 2 is also populated by another adatper that inherit SimpleCursorAdapter and overrided the bindView() method. For some reason that I don't understand, the overrided bindView() is not being called. Thus the tab is not displaying correctly.
Here's my code fragment:
CODE:...........................
Im using the NotePad example as a base for an application. This binds a ListActivity to a Provider.
Its perfect, except it uses SimpleCursorAdaptor, which means the list only binds to and displays one item per row. I want it to display two items, both bound the Provider. Or more accurately display the text from one Content Provider field and an icon which depends on the value of a different field.
This sounds like a pretty simple thing to do, a very slight modification to the NotePad application. Trouble is, I have no idea on *how* to do it. I really need a starting point, and "approach" to use.
So far I have tried (unsuccessfully):
* Hand populating the ListView by reading in the Provider data and populating an array in OnCreate. This works, except as the data is not bound the List does not update when I add an item.
* Extending SimpleCursorAdapter with a custom getViewBinder. Could still only bind to a single column.
* Building my own ListAdaptor. Couldn't get this to work.
* Concatenating both fileds together and "parsing" 2 fields into 1 field read/write.
The next thing I will try is extremely tacky running two separate simpleCursorAdaptors in two views in a Linear Layout, fudged so the row height is identical, and duplicate the logic.
I say this only to show that I really, really have tried.
How I can create a custom CursorAdaptor which binds to two fields instead of just one like SimpleCursorAdapter?
I was poking around in the documentation for the simpleCursorAdapter and I read that if the simpleCursorAdapter doesn't identify your images as resources it will assume they are URIs. My question is how do i retrieve the URI for an image placed into the asset folder of my application?
View 8 Replies View RelatedI know you can set fastScroll for listViews, but currently I would like to use a ListActivity with a simplecursoradapter instead. Is there no way to make such a view fast scroll?
View 1 Replies View RelatedI'm getting some very jerky scrolling while using the code below to create a ListView from a Cursor. Is there something I'm doing wrong, or any way to improve the performance of this ListView?
CODE:.............
Note: bookmarkStore.getCursor() returns an unmanaged cursor from a sqlite database containing the columns from bookmarksColumns.