Android : Change Item In Listview After Clicking?
Apr 10, 2010
I've created a rather complex layout for listview rows where only the first line is visible (the rest use android:visibility="hidden"). When an item is selected, I want all the invisible objects to appear (selected.setVisibility(1)) - checking first if I have to hide again the previous selection.
Here's the (simplified) code..
The problem is that this only retrieves the invisible items in the first Listview row. What's the way to access ListView rows and change 'em?
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Aug 30, 2010
I have a ListView with few items. Is it possible to change size of the selected item in the ListView. For example, I want to expand selected item to show some buttons.
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Sep 11, 2009
I populate ListView Using ArrayAdapter, constraint: each item Text in ListView represting some actions, and each action (Item text in ListView) represent its individual color. problem: i cant change the color of each item text in ListView, according to supplied color formula. using ListView thanks i am waiting ur reply?
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Oct 22, 2009
I have a ListView backed by customized ArrayAdapter where each item has 2 LinearLayouts - one I call head, and the other one - body. The body is hidden (gone) until user clicks on the row at which time it slides out. The second click (on the head) will hide the body. However if user clicks on the body it brings another activity. All of this works just fine, here comes the problem.When user presses on body I want a visual indication of the action just the same way as regular list item will flicker an orange background when pressed. I'm not getting this by default since (my theory) the onPress event is intercepted by body's view and not processed by the list item.The first thing I tried was to execute body.setBackground('#ff00ff') (never mind the color) in onPress event. That didn't work since (I suspect) there's no repainting after the call. Then I dig a little bit more and decided to use <selector/>-based background. I defined body_background.xml in drawable folder and assigned that to the body's background property.
There I noticed that background will only change if the even is processed by the list. For example if I set <item android:state_selected="true" android:drawable="@drawable/selected"/> then when I press on the head - the background of both elements (head and body) will change, however when I press on body - nothing. So to summarize my question.how do I change background of the child element in the list item if I assign custom onClick handler to it?
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Mar 15, 2009
From the reference of SDK, AlertDialog information as below. I want to create a dialog but I don't want to have any buttons in the dialog, then I hope to dismiss the dialog after I click any item in the dialog, how should I dismiss the dialog ? When the user click the "back" button, it will dismiss the dialog. So I need to send the key message in hard code? Is there any other way?
public AlertDialog.Builder<http://developer.android.com/reference/android/app/AlertDialog.Builde...>
setSingleChoiceItems (CharSequence[]<http://developer.android.com/reference/java/lang/CharSequence.html>items,
int checkedItem, DialogInterface.OnClickListener<http://developer.android.com/reference/android/content/DialogInterfac...>listener)
Set a list of items to be displayed in the dialog as the content, you will be notified of the selected item via the supplied listener. The list will have a check mark displayed to the right of the text for the checked item. Clicking on an item in the list will not dismiss the dialog. Clicking on a button will dismiss the dialog. Parameters items the items to be displayed. Checked Item specifies which item is checked. If -1 no items are checked. Listener notified when an item on the list is clicked. The dialog will not be dismissed when an item is clicked. It will only be dismissed if clicked on a button, if no buttons are supplied it's up to the user to dismiss.
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Sep 13, 2010
if I have an Options menu in Android that has more than 6 items, Android adds a More item that shows the other hidden items, AS text!But I want the More button to display the extra items both in their text AND icon, how do I do that?
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Feb 25, 2010
If I have a checkable item in a Context Menu or ordianry Menu, how do I prevent the menu from closing when the item is selected?
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Mar 11, 2009
I'd like to use the standard selection color when clicking on a list item. Where do I get it from?
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Apr 18, 2013
I have to develop one android application.
Here is the scenario:There are many images in a linearlayout. When selected, the layout should be displayed with another(gradient_bg_hover.xml) background. This works well now.
Now, I would like that when I open a new activity and come back to this one, the last selected layout should still be the highlighted one (with the (gradient_bg_hover.xml) background).
Now i have used below code for highlighting the image when pressed:
[HIGH]
LinearLayout ar = new LinearLayout(this);
ar.setOrientation(LinearLayout.VERTICAL);
ar.setPadding(3, 3, 3, 3);
ar.setLayoutParams(artiLayoutParams);
ar.setGravity(Gravity.CENTER);
ar.setBackgroundColor(Color.parseColor("#666666")) ;
[Code]...
In OnClick function i have wrote the below code:
[HIGH]
private OnClickListener mArticleClick = new OnClickListener()
{
@Override
public void onClick ( View v )
{
int object = v.getId();
v.setSelected(true);
[Code]...
Here i have to clicked one item means it is go to next activity.afterthat i have clicked back button means the selected item is stay on highlighted with another background.afterthat i have selected another item means its go to next activity.now i have to click back button means these item only highlight with background....but the pervious item also highlighted....
I wish to need the o/p like :
The last selected item only highlighted after click the back button...
So i have used sharedpreferences :
I have declared int prevPosition = -1; globally...
[HIGH]
ar = new LinearLayout(this);
ar.setOrientation(LinearLayout.VERTICAL);
ar.setPadding(3, 3, 3, 3);
ar.setLayoutParams(artiLayoutParams);
ar.setGravity(Gravity.CENTER);
[Code]...
In Onclick method:
[HIGH]
private OnClickListener mArticleClick = new OnClickListener()
{
@Override
public void onClick ( View v )
{
int object = v.getId();
[Code]...
But my background color is not staying after press the back button...
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Sep 13, 2009
1. When does OnItemSelectedListener get called?My expectation was that when an element of a ListView was clicked/ touched that the OnItemSelectedListener would be called. My OnItemSelectedListener is not called when a list element is clicked/ touched. (It is called if the list has focus and I move through the list with the arrow keys in the emulator) Is that the way it works? This ListView has an adapter that supplies TextViews for drawing the list elements.
2. With a ListView set up this way who handles display of selected list items? Does the ListView do it or should the adapter configure the views it supplies to make them look "selected?"
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Nov 24, 2009
How do I connect to a URL when clicking on a ListView?
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Aug 25, 2010
I have a ListView that can have one or more clickable items. When I apply a rotate animation the coordinates that are clicked correspond to the original position of the ListView items. For example a list with one item in portrait mode rotated 180 degrees will have the item upside down on the bottom of the screen, but the item gets the click event when I click the top of the screen. 180 degrees is just an example I want to be able to move an arbitrary angle.
I've looked through all the listView properties but none seem to have any effect on the clickable coordinates. I would assume willChangeTransformationMatrix would do the trick but it doesn't, neither does invalidate or invalidateViews. Is there a property I'm overlooking or how would I go about moving the coordinates to the right place?
sample code- list items highlight correctly when clicked, rotate with dpad_center, after rotated items highlight when original position is clicked. I've tried animating the animation, animationSet, and layoutAnimationController all same result.
CODE:...............
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Dec 12, 2009
How to get custom dialog activity while clicking on listview in android?
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Jun 21, 2010
I would like to open a custom dialog when someone clicks on a listview entry. That dialog will need to know the text that was clicked on in order to display additional information on that particular entry. Can anyone point me in the right direction on how to accomplish that?
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Sep 21, 2010
I've list view item as a object, I want to fetch item details as web to show.
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Sep 6, 2010
I was curious if there was a way that I can assign each menu item in a ListView its ID from the SQLite database, so that when I do something like onClick, or using a ContextMenu, I can tell what item / row I am referencing to.
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Jun 21, 2010
I have an issues, I want to show 20 items in the list.
But there is a catch: if the user scrolls down to the bottom of the list, there will be an item that says: "Show more items", and when the users click on it, more items will be added to the list.
My question is how is poosible to have a last item, that has a different style and looks different: and does different things,(I think this is used in QuickSearchbox)
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Jul 2, 2010
Now i want the first item of the list to be automatically focused when i launch the application How can i set the focus on any item of the list when i click on the some other view for example a button?
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Apr 23, 2010
I'm writing an app with ListView layout and i want to add to any line in this ListView CheckBox. How can i do this?
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Sep 26, 2010
I would like to change the background color of a ListView Item after it has been touched until a further event.
This is my code:
CODE:............
Changing the background color of view yields weird results.
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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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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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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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Aug 14, 2010
This is my list view item: I want to put an OnClickListener on the Checkbox. But I need to get the list item that the CheckBox is in, via row id. How can I do that in the onClick method.
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Sep 11, 2010
I need to get the selected Item from a ListView in adnroid .
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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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Aug 2, 2010
I am trying to make a listview with icon in every item of this list view. i mean i want to put an icon in every item of listview. please let me know wot should i do for that.
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Jun 1, 2010
I'm wondering if it is possible to rerender just one element in a listview? I assume by calling notifyDatasetChanged() is gonna rerender the whole list?
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Feb 3, 2010
I want to remove the first line from my ListView.
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Aug 27, 2010
When I have a list view and there are 3 items which can choose by user, I wanna show only choosable items to user because of some reason. but I could not find any method in ListView or ArrayAdapter class. Is there a solution? Code...
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