listview selected item

Notifydatasetchanged (): Refreshes the data only and does not refresh the control. For example, controls are displayed and hidden. Selector reference: http://dev.10086.cn/cmdn/wiki/index.php?doc-view-6014.html One, selector (background selector) First look at the status in the ListView: How to use: 1) Configure android:listselector= "@drawable/xxx" in the ListView, or add the attribute android:background=

Package com. example. contextmenutest; Import Android. OS. Bundle;Import Android. App. activity;Import Android. util. log;Import Android. View. contextmenu;Import Android. View. contextmenu. contextmenuinfo;Import Android. View. Menu;Import Android. View. menuitem;Import Android. View. view;Import Android. widget. adapterview. adaptercontextmenuinfo;Import Android. widget. arrayadapter;Import Android. widget. listview;Import Android. widget. simpleada

By default, the ListView background color is black, the highlighted color of the item selected is Chrysanthemum Yellow, and many times you have to define the background color or background image.android:cachecolorhint= "@android: Color/transparent", meaning to go black background, such as the ListView when scrolling wi

In Android Application Development, this is often the case that a listview contains N items. When you click an item, this item is expanded to show some hidden controls in this item, click again. This item is removed and some controls are hidden again. When one

In Android Application Development, this is often the case that a listView contains N items. When you click an item, this item is expanded to show some hidden controls in this item, click again. This item is removed and some controls are hidden again. When one

In this article, you can add the checkbox control to the custom listview layout and perform operations on the selected items of the listview by determining whether or not to select the checkbox. This function is displayed in a demo. Select an item in listview and click the b

# Region increase position/// /// Raise Method/// /// Private void listviewupmove (listview){If (listview. selecteditems. Count = 0){Return;} If (listview. selecteditems [0]. index> 0){Foreach (listviewitem LVI in listview. selecteditems){Listviewitem lviselecteditem = LVI;Int indexselecteditem = LVI. index;//

When a ListView is selected, the background color is set to the same time as the other item:can use Listview.setonfoucschangelistener (listener);/*** The background color changes when the ListView gets focus and loses focus* @author Long**/Private class Myonfocuschangelistener implements onfocuschangelistener{@Overridepublic void Onfocuschange (View V, Boolean ha

When a ListView is selected, the background color is set to the same time as the other item:can use Listview.setonfoucschangelistener (listener);/*** The background color changes when the ListView gets focus and loses focus* @author Long**/Private class Myonfocuschangelistener implements onfocuschangelistener{@Overridepublic void Onfocuschange (View V, Boolean ha

When a ListView is selected, the background color is set to the same time as the other item:can use Listview.setonfoucschangelistener (listener);/*** The background color changes when the ListView gets focus and loses focus* @author Long**/Private class Myonfocuschangelistener implements onfocuschangelistener{@Overridepublic void Onfocuschange (View V, Boolean ha

When a ListView is selected, the background color is set to the same time as the other item:can use Listview.setonfoucschangelistener (listener);/*** The background color changes when the ListView gets focus and loses focus* @author Long**/Private class Myonfocuschangelistener implements onfocuschangelistener{@Overridepublic void Onfocuschange (View V, Boolean ha

if (This.lsvSortingHeadList.Items.Count > 0) { this.lsvSortingHeadList.Focus (); This.lsvsortingheadlist.items[0]. Selected = true; This.lsvSortingHeadList.HideSelection = false; This.lsvSortingHeadList.FocusedItem = this.lsvsortingheadlist.items[0]; This.lsvsortingheadlist.items[0]. Focused = true; }Only the above code can make the first

Today, when the selectedindexchange event or itemselectionchanged event of the listview control is used, the value of the selected item remains abnormal. argumentoutofrangeexception exception. The {"invalidargument =" 0 "value is invalid for" Index. \ R \ n Parameter Name: Index "}. The problem has been found for a long time. It turns out that this event is trigg

ListView { public MyListView(Context context) { super(context); } public MyListView(Context context, AttributeSet attrs) { super(context, attrs); } /span>public mylistview ( context Context attributeset Attrs int defstyleattr ) { super(context, attrs, defStyleAttr); } @Override /span>public void Onmeasure ( int Widthmeasurespec

Ultra-Simple Single-choice listview mode SingleMode (custom listview item) and listviewsinglemode Source: https://stackoverflow.com/questions/8337180/custom-single-choice-listview/12823457#12823457 1. Set in listview item Set ch

=============== Problem description ==================== It is similar to the chat interface in QQ. The listview item has no selected effect, but the textview in the item can be selected. How can this problem be achieved ?? Help... ============= Solution 1 ===============

　In the development often need to customize the ListView, to inherit the Baseadapter, in adapter in accordance with the requirements of the writing, the problem arises, there may be clicks on each item when there is no response, unable to get the focus.Suppose you have a button in your own definition ListViewItem, ImageButton or a checkable control, the default focus is given to the child control, and th

My Android advanced tour ------> solution to the problem that the item click event cannot be performed when the ListView is nested (ListView) Control in Android, androidlistview 　 During development, you often need to define the Listview by yourself to inherit the BaseAdapter and write it as needed. The problem arises

Encountered a problem: The onitemclicklistener of listview listens to events. If a button in the item also listens to events, it cannot listen to events at the same time, but it does not respond. Solution: The essence of the solution is to transfer the event to a view in the item without The onitemclicklistener event. Solution 1. Obtain the view of the ou

1, custom adapter in the configuration:1 Public classMyadapterextendsbaseadapter{2 3 intMselect = 0;//Selected Items4 5 ......6 7 Public voidChangeselected (intPositon) {//Refresh Method8 if(Positon! =mselect) {9Mselect =Positon;Ten notifydatasetchanged (); One } A } - - the - PublicView GetView (intposition, View Convertview, ViewGroup parent) { - //if (convertview==null) { -Layoutinflater factory =Layoutinflater.from (cont