Android :: Custom ListView Selected Item Children?

Oct 27, 2010

I have a custom listview row that contains a number of textView components. Instead of the "standard" single text item, I have created a item where each listview row contains several bits of information. For this example, I have a record id, a name, and a description for each row in the listview. I have my listview populated via
this.mDbHelper = new RecordDBAdapter(this); this.mDbHelper.open();
Cursor c = this.mDbHelper.fetchAllRecords(); startManagingCursor(c);
String[] from = new String[] {RecordDBAdapter.ROW_ID, RecordDBAdapter.NAME,
RecordDBAdapter.DESCRIPTION};
int[] to = new int[] {R.id.recordId, R.id.lblName, R.id.lblDescription};
// Now create an array adapter and set it to display using our row
SimpleCursorAdapter records = new SimpleCursorAdapter(this, R.layout.record_row, c, from, to); this.list.setAdapter(dives);

Now what I want is to be able to access the recordId value within each clicked item. I've tried to follow the Android tutorials to no avail. They do something like
Object o = adapter.getItemAtPosition(position);
but that still doesn't help either. What I really want is to get the value of the recordId within each selected listItem. Does anyone know how this would be accomplished? Here is my onItemClick event:
protected OnItemClickListener onListItemClick = new OnItemClickListener() {
@Override public void onItemClick(AdapterView<?> adapter, View view, int position, long rowId) {
// My goal is either to grab the value of the
// recordId value from the textView, or from the adapter.
//Object o = adapter.getItemAtPosition(position);
//Tried this, no joy
Intent intent = new Intent(NeatActivity.this, SomeOtherActivity.class);
// intent.putExtra("selectedRecordId",val); //val here is a numerical record row id being passed to another activity.
startActivity(intent); } };

Android :: Custom ListView Selected Item Children?


Android :: How Do I Get Value Of Item Selected In ListView

Jun 3, 2010

I thought I could use the position int, but when I click on the item in the list view, nothing happens. Please help. Code...

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Android :: Listview's First Item Is Always Selected

Jun 8, 2010

I'm using a custom view to display items in a listview. For some reason every time the list is populated; the first item is shown as selected (ie; orange highlight). I've tried everything I can think about to solve it; any ideas?

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Android :: What Is Best Way To Get Item Selected In Listview

Jun 24, 2010

I have a listview which has a bunch of selections. I want to keep the focus on the listview in touchmode and get the item selected. What is the best way to do that?

I found this blog:
http://bestsiteinthemultiverse.com/2009/12/android-selected-state-listview-example/ and

http://developer.android.com/resources/articles/touch-mode.html

What does the community suggest?

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Android :: Need To Get Selected Item From ListView

Sep 11, 2010

I need to get the selected Item from a ListView in adnroid .

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Android :: Getting Selected Item From A ListView

Sep 14, 2010

Please Help me for getting the selected Item from a ListView. Items for the ListView are getting from a xml file. Elements of the ListView are filled up by the adapter(adpter contains ImageView and textView). I only need the TextView content from the ListView.By using the onItemClick i get only the index of the item.

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Android :: ListView Scroll To Selected Item

Aug 17, 2010

I have a ListView with an edit text and a button below it. When I click on a listView item the keyboard appears and push up the edit text and the button. I want the list to scroll to the selected item.

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Android :: Can Not Get Text From A Selected Item In A Listview?

Mar 30, 2010

I always get an ClassCastException error... i do not what else to do...
- I'm using a data biding concept to populated the listview from a sqlite3 database.
- I just want to get the selected item text after a long press click.

This is the code of the activity:

CODE:........

This is the xml where a define the rows to show on the listview:

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

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Android :: Set An Item As Selected When The ListView Opens?

Oct 8, 2010

An activity has a Button and a ListView. Initially, only the Button is visible. When the button is pressed, the ListView is displayed. When displayed, is it possible for me to show one particular item as selected/focussed?

A use case could be that suppose it is a list of language settings and when the list opens, the currently selected language must be shown as highlighted. If I know the index of the item, how to set it as focused on display?

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Android :: How To Style Selected Item In ListView

Oct 29, 2010

I am an Android newbie trying to learn the UI side of things and it's doing my head in. Here's what I have right now:

CODE:.....

What I am struggling to figure out is how do I style the selected item? At the moment the selected item has a ghastly orange background which, under the rounded green rectangle, gives an orange outline effect.

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Android :: How To Keep The Selected Item Of A ListView Vertically Centered

Nov 18, 2009

1) A ListView with many items (i.e. scrolling will occur at some point)

2) At the beginning, the selection is at the top (item #0)

3) User is scrolling down (i.e. we're not in touch mode)

4) For the first items, the selection is moving down without the list to scroll.

5) Once the selected item is reaching the middle of the list's viewport: the list starts to scroll-down.

6) Then, toward the end of the list: scrolling stops and the selection keeps moving down until the last item is reached.

It's a common feature in (keyboard-enabled) UI frameworks but I don't believe it's possible to achieve with Android, as for now... Right?

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Android :: How To Pass Selected Item's ID From A ListView To An AlertDialog

Jul 20, 2009

I have a ListActivity, and long-pressing on an item brings up a context menu. One item in the context menu is "delete", and that brings up a confirmation box (and AlertDialog). When the user presses OK in the confirmation dialog, I need to know the ID of the item that was originally selected, so that I can actually delete it.

The flow looks like this:

This event: Causes Android to call:
-----------------------------------------------------
Long press an item -> onCreateContextMenu()
Select context menu item -> onContextItemSelected()
call showDialog()-> onPrepareDialog()
user clicks OK -> onClick()

In onCreateContextMenu and onContextMenuSelected, I can get at the id of the selected item from the ContextMenuInfo. In onPrepareDialog, however, I no longer have access to that information. The rub is that onPrepareDialog needs this information to set up an onClick listener on its POSITIVE button.

I know that, during onContextMenuSelected, I can stash the selected item's ID away into a field of my activity. I have done that, and it works. But it's also really ugly. The statefulness that it introduces makes me uneasy. Has anybody else seen a better way to pass such information around than to use fields in the activity?

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Android :: GetItemAtPosition() How To Get Readable Data From The Selected Item In A ListView

Oct 7, 2010

I have a listView of contacts that I got from the Android ContactManager sample. This list is showing up fine, but I can't figure out how to get info from the selected item, like "name" and "phone number".

I can get the selected position, but the result of the mContactList.getItemAtPosition(position) is a ContentResolver$CursorWrapperInner and that doesn't really make any sense to me. I can't get heads or tails from that.

Anyone know how I can get the name/id/phone number from the selected item in the listView?

Here is my code.

code:................

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Android :: How Can Button Click Method Find Out / Which Item Is Selected In ListView?

Sep 8, 2010

I have a single screen with a bank of buttons below a ListView. Entries on the ListView light up in orange when I scroll so I assume that are selected. When I then press the "Delete" button I want the onClickListener to remove the currently selected entry. But getSelectedItemPosition() always gives me -1. If I can't hope to use the GUI controls in this way, please give me another way of getting the same result.I have even tried setting the onClickListener of the List View to store the index before the button is pressed (in case pressing the button unselects the entry) but even that is always -1 it seems.

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Android : Way To Maintain Orange Background Of Selected Listview Item In GetView?

Jun 28, 2009

If you derive a class from ArrayAdapter for the purpose of customizing the views of listview items, and you vary the background color of those items by doing something like this in getView()...

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Android :: Custom List View / Set On Item Selected Listener Not Working

Sep 2, 2010

I'm just beginning Android development, and I'm working to get a Custom list view with a checkbox working. I've created a base class that extends Activity, Created an Adapter and overrode the getView() method to add the checkbox to the list view. I'm assuming I need to do this because I need something equivalent to didSelectRowIndexAtPath from Obj C to update my model. Please let me know if there's an alternate way of doing this too Code...

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Android :: ListView And Selected Items With A Custom ListAdapter

Oct 13, 2010

Android has ListView component which is quite nice. The problem is that I created my own adapter to supply viewitems for each item displayed and I don't get anymore: Background color change when i scroll the items using up/down arrows. Background color change when I select an item. How do I do that?

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Android :: ListView Item From Custom Adapter Not Selectable

Jul 1, 2010

I'm making a custom adapter so that I can display a list of items with icons which looks like the menu that comes up when you long click the home screen. For some reason though the list items are not clickable. The can be navigated to with the D-pad but they cannot be clicked in any way. I thought maybe the problem was with the AlertDialog I was using so I replaced a working adapter I had elsewhere but I have the same issue there. My adapter looks like this:

ArrayList<IconListItem> mItems; LayoutInflater mInflater;
public IconListAdapter(Context context, ArrayList<IconListItem> items) {
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mItems = items;
} public IconListAdapter(Context context) {
this(context, new ArrayList<IconListItem>());
} public void add(IconListItem item) { mItems.add(item);
notifyDataSetChanged(); return item;
} public void remove(IconListItem item) { mItems.remove(item); notifyDataSetChanged();
} @Override public int getCount() { return mItems.size();
} @Override public IconListItem getItem(int position) { return mItems.get(position);
} @Override public long getItemId(int position) { return position;
} @Override public View getView(int position, View convertView, ViewGroup parent) { View view;
if(convertView == null){ view = mInflater.inflate(R.layout.two_line_icon_list_item, null);
} else { view = convertView; } IconListItem item = mItems.get(position);

TextView lineOne = (TextView) view.findViewById(R.id.firstLine);
TextView lineTwo = (TextView) view.findViewById(R.id.secondLine);
ImageView iconImage = (ImageView) view.findViewById(R.id.icon);
lineOne.setVisibility(View.VISIBLE); lineTwo.setVisibility(View.VISIBLE);
iconImage.setVisibility(View.VISIBLE); lineOne.setText(item.getText());
if (item.getSubtext() == null) lineTwo.setVisibility(View.GONE);
else lineTwo.setText(item.getSubtext());
if (item.getIcon() == null) iconImage.setVisibility(View.GONE);
else iconImage.setImageDrawable(item.getIcon());
return view; }

And the XML it's inflating:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="6dip" >
<ImageView android:id="@+id/icon" android:layout_width="wrap_content"
android:layout_height="fill_parent" android:layout_marginRight="6dip" />
<LinearLayout android:orientation="vertical" android:layout_width="wrap_content"
android:layout_weight="1" android:layout_height="fill_parent" >
<TextView android:layout_width="fill_parent" android:layout_height="wrap_content"
android:layout_weight="1"android:gravity="center_vertical"
android:id="@+id/firstLine" android:ellipsize="marquee" android:inputType="text" />
<TextView android:layout_width="wrap_content" android:layout_height="0dip"
android:layout_weight="1" android:ellipsize="marquee"
android:id="@+id/secondLine" android:inputType="text" />
</LinearLayout> </LinearLayout>

When I say they are not clickable, I mean that they items do not highlight in orange when I press them nor does onItemClick ever get called. In my code I have this, a different adapter for another purpose and it works perfectly

this.foos= foos; fa = new FooAdapter(this.foos); fooList.setAdapter(fa);
// View the details for an item when it is selected
fooList.setOnItemClickListener(new OnItemClickListener() {
@Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
Intent i = new Intent(MyActivity.this, MyOtherActivity.class);
i.putExtra("foo", ((fooAdapter)arg0.getAdapter()).getItem(arg2));
i.putExtra("list_position", arg2);
MyActivity.this.startActivityForResult(i, 0);
} } );

But when I swap out the first 3 lines for
IconListAdapter ila = new IconListAdapter(this);
ila.add(0, "Test 1", android.R.drawable.ic_menu_mylocation);
ila.add(0, "Test 2", android.R.drawable.ic_menu_edit);
ila.add(0, "Test 3", android.R.drawable.ic_menu_search);
groupList.setAdapter(ila);
I t stops working.

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Android :: ListView Item Background Via Custom Selector

Apr 1, 2010

Is it possible to apply a custom background to each Listview item via the list selector?

The default selector specifies @android:color/transparent for the state_focused="false" case, but changing this to some custom drawable doesn't affect items that aren't selected. Romain Guy seems to suggest in this answer that this is possible.

I'm currently achieving the same affect by using a custom background on each view and hiding it when the item is selected/focused/whatever so the selector is shown, but it'd be more elegant to have this all defined in one place.

For reference, this is the selector I'm using to try and get this working:

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

And this is how I'm setting the selector:

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

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Android :: Custom Separator In ListView Depening On Content Of Item

Oct 22, 2009

I've a ListView with items containing information about places with a rating and the distance to the current location.

The items are sorted into groups:

Group 1: within 500m
Group 2: 500m - 1km
Group 3: 1km - 1.5km

Withing these groups the items are sorted by their rating.Now I put out these items via my custom adapter (extension of BaseAdapter) into the ListView, which works perfectly.

However, what I'd like to do is to put a separator before the each first item of each group. This separator can be a TextView saying e.g. 500m - 1km followed by all the ListView items in that group. Any idea on how to realize this?

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Android :: OnClick() Event On An Item Of ListView Custom Row Layout

Nov 15, 2010

I have a ListView whose rows are formatted by me. Each row has a mix of ImageView and TextView. I have also implemented my own adapter and am able to draw each row through it.

Now, I would want something like this-

User clicks on an ImageView (not anywhere else on the row, but only this ImageView should respond to clicks)
I get to know the position of the row whose ImageView was clicked.

I have tried many things for this and have wanted my code to be as efficient as possible (in terms of overkill).
Currently i can capture the click event on that particular ImageView only, but I can't know which row was clicked.

I have provided an attribute in the Row XML like this-

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

And in my code, I have a method like this:

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

I can get the parent row (perhaps) but am not sure how to go further from here.

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Android :: Cannot Display Image Correctly Using Custom Item Layout In ListView

Apr 22, 2010

I am using a ListView to display my custom item layout, which may contain some TextViews and an ImageView.

This is the item layout I made (post_item.xml):

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

I don't put the ImageView initially in the xml layout, but I will insert it when I need to the FrameLayout programmatically (I also put another views in it when needed). So, there will be some items which has ImageView in it and which don't.

I get the image to fill the ImageView from the Internet (through URL), decode it as Bitmap, and keep it as a Bitmap variable in a class represents the custom item layout (class PostItem).

When the activity shows for the first time it looks fine, but as I scrolled through the items then a problem showed up, the items which shouldn't show any image show the image from the other item which should, although they don't have any ImageView (because I didn't insert it).

I am using SDK 1.6 and the emulator. Haven't tried it in real device because I don't have it.

Here is my code for the Adapter:

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

And this is the code to prepare the items:

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

Is this the bug in the emulator or there is some mistake in my code (probably memory problem for the Bitmap)?

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Android :: ListView - Making The Parent Expand To Show All Children When AddingListViews Within ListViews

Feb 9, 2010

Basically, I have a custom ListView in which each item looks like:

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

The ListView in each item is GONE by default and is set to VISIBLE when the button is clicked. Everything seems to work fine with the exception that when the ListView is long enough to scroll, it is just kind of truncated. http://img38.imageshack.us/img38/3269/listviewproblem.png

Is this a problem with the maximum height of an individual list item? Is there a way to force the list item to expand and force the child listview to expand to show all children?

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Android :: How To Make Listview With Selectable Children Stop Scrolling On Touch Event

Oct 20, 2009

As a work around to the issue where a list item isn't focusable if it has a focusable child item (a comment by Romain Guy was that this was intended behavior, for accessibility reasons) I simply filled the listItem with two children, each of which is focusable - There's nowhere to directly touch on the listItem anymore, just it's children.

For the most part this is a useable workaround, effectively invisible to the user, except for one thing- Although you can scroll by swiping without issue, touching to *stop* the scroll no longer works- I imagine because the child item is capturing the touch event and not passing it to the parent listitem, at least while the scroll is in effect.

Is there a known workaround for this? Perhaps someway to "pass the baton" of the touch event back up to the parent listItem, or a way to change my design?

BTW- I know there's some built-in functonality for single/multiple choice listviews (checkbox listviews) - That doesn't actually help in my case. The app is a contact list, and the row children are a relativelayout (populated with contact info) and a clickable phone icon (a one-touch dial for the contact), which needs to be visible or invisible depending on whether the stored contact has a phone number.

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Android :: Drawing Children In Custom Linear Layout

Feb 9, 2010

I have a linear layout that I have overridden because I want to > dynamically add other views to it. I am trying to add some textviews > to it and I call addViewToLayout in the onLayout method. Can't you just add your views to the layout using addView()? I have one custom LinearLayout and this is what I do and it works fine. No need to override onLayout() or onDraw(). Maybe try that

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Android :: How To Keep Selected Item Highlighted?

Jan 20, 2009

I have list of items displayed in List Activity.

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Android :: Pop-up Bar On Selected List Item

Feb 1, 2010

I'm trying to find out how I can create a pop-up menu bar, after I press on a checkbox item, so I can do multiple things like delete.If anyone know about any tutorial, or article it will be fully estimated!

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Android : Need Item Selected From Spinner

Mar 11, 2010

I am a newbie coder and new to the SDK. I was just playing around with an app that i made. I wanted to know as to how to retrieve the item id of the selected item from the spinner when the spinner is re- populated.

For example, I created 2 spinners, if you selected item 0 from spinner1 then spinner2 will have a bunch of items and if you selected item 1 from spinner1 then spinner2 will have a different set of items. Now, my question is that when i select item 1 from spinner 1 then the items in spinner2 dont have different ids. So how do i differentiate from the two sets of data?

To illustrate,

User selected item 0 in spinner1 -> spinner2 gets data from array1 -> item 0 in spinner2 has id '0' and item text is "apple"

User selected item 1 in spinner1 -> spinner2 gets data from array2 -> item 0 in spinner2 has id '0' and item text is "oranges"

I know this sounds confusing but i hope the right people understood it..

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Android :: How To Get Selected Item From List Adapter?

Aug 28, 2009

How i get the Selected item from the list Adapter.In this above code if i selected March from the Dropdown Adapter means then how can i retrieve the Manth March to show in a textview.

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Android :: List Item Selected Behavior

Sep 28, 2010

When I change the background color of a list item it no longer flashes green when selected. Is there a way to retain this default behavior when the background is changed?

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