expandablelistview

问题 i am newbie in android development.. i m using expandable listview , In each row of listview i have 3 textview and 1 button ,on button click i want selected child data to be on another activity with his Group header name is that possible in Expandable list view if its then how ? please help... 回答1: For expandable list just implement following code: ExpandableListDemo.java public class ExpandableListDemo extends Activity { private ExpandableListView expandableListView; private ArrayList<Places

问题 I am trying to write multi level tree. I did look at expandablelistview, but it only supports two levels. I did look at other questions(SO) & posts and the most promising post i have found is http://mylifewithandroid.blogspot.com/2011/02/3-level-expandable-lists.html I understand that i will have to write something custom to handle multiple level tree. What is the best recommended approach to take? Can i add an exapandablelistview as a child to an exapanablelistview?? Thanks 回答1: You can

问题 i use in expandable listview and when i open one of the items in the listview my scroll is automatically focus on the item that open, can i prevent from the list to focus on the new item and stay in the same place? i've try to remove the focusable from the open's view but it didn't work. 回答1: You need to override the OnGroupClickListener and consume the event. This will avoid the ExpandableListView doing the default action, which at least when compiling against 4.3 is to smoothScroll to the

问题 I am making a menu which includes a custom ExpandableListView adapter. Despite trying to match my code as close to the API examples and any other examples I've seen online (including multiple closely related SO questions), I still can't get it working. I know the adapter is being used because the group view is being shown (which is made from an xml). Clicking on the group item also calls "getGroupView", but the code never runs "getChildView", "getChild", or "getChildId". I've even went

问题 I am using expandablelistview in my project,and I want to add different images for group view and also in child view I want to do same,but its not working,following is my code.. MainActivity.java public class MainActivity extends Activity { ExpandableTests listAdapter; ExpandableListView expListView; List<String> listDataHeader; HashMap<String, List<String>> listDataChild; private List<Integer> group; private HashMap<Integer, List<Integer>> Child; Expandableimageadapter imgsadadapter; public

问题 I am using expandablelistview in my project,and I want to add different images for group view and also in child view I want to do same,but its not working,following is my code.. MainActivity.java public class MainActivity extends Activity { ExpandableTests listAdapter; ExpandableListView expListView; List<String> listDataHeader; HashMap<String, List<String>> listDataChild; private List<Integer> group; private HashMap<Integer, List<Integer>> Child; Expandableimageadapter imgsadadapter; public

问题 i am using expandableList and each child has its edittext to enter a number... when the child is pressed, the edittext shows. if it is not, the edittext stays invisible.. but when i tap on the edittext, the keyboard shows in number (because i set type input : number) only 1 second. after that it turns to common keyboard. even it backs to common keyboard, still, i cant type on the edittext... here is my code public View getChildView(int groupPosition, int childPosition, boolean isLastChild,

问题 I'm trying to add a header to an ExpandableListView like so: headerView = View.inflate(this, R.layout.header, null); expandableListView.addHeaderView(headerView); expandableListView.setAdapter(new SectionedAdapter(this)); Which gives me the following error: 12-08 16:23:42.354: ERROR/AndroidRuntime(421): Caused by:java.lang.ClassCastException: android.widget.LinearLayout$LayoutParams 12-08 16:23:42.354: ERROR/AndroidRuntime(421): at android.widget.ListView.clearRecycledState(ListView.java:504)

问题 I have an ExpandableListView inside a NestedScrollView (yes I know, it is not good to have a scrolling view inside another scrolling view but I don't know what else to do, please do tell me if anybody knows a better approach). The size of the content in NestedScrollView is still within the screen so it won't scroll, but when ExpandableListView is expanded, the content will leak outside the screen but the NestedScrollView still won't scroll.. Why is this so? Here's my NestedScrollView layout :

问题 i am using expandableList and each child has its edittext to enter a number... when the child is pressed, the edittext shows. if it is not, the edittext stays invisible..the problem is when i pressed child "A", some other childs (for example child "L" and "Z") also show the edittext... here is my code in main activity : protected void onCreate(Bundle konsumsi) { super.onCreate(konsumsi); setContentView(R.layout.konsumsi_user); exKonsumsi = (ExpandableListView) findViewById(R.id.EVkonsumsi