Here my class in extends from ExpandableListActivity. therefore I have
implemnts ExpandableListAdapter and override getChildView(int
groupPosition, int childPosition, boolean isLastChild, View
convertView, ViewGroup parent).
But when I from where should I call this method and what parameter
should I pass at the time of calling this method. My code is like:
SQLiteDatabase sampleDB = null;
String SAMPLE_DBNAME = "NewHomeAutoDataBase";
String ROOM_TABLE_NAME = "RoomTable";
String SWITCH_TABLE_NAME = "SwitchTable";
int idVal;
private ExpandableListAdapter mAdapter;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
sampleDB = this.openOrCreateDatabase(SAMPLE_DBNAME,
MODE_PRIVATE, null);
Cursor groupCursor = sampleDB.rawQuery ("SELECT _id,
RoomName ,SwitchFullName FROM SwitchTable GROUP BY RoomName",null);
System.out.println ("#######"+groupCursor.getCount());
System.out.println ("_____"+groupCursor.getPosition());
System.out.println (groupCursor.getColumnIndex("RoomName"));
groupCursor.getColumnIndexOrThrow("_id");
// Set up our adapter
mAdapter = new MyExpandableListAdapter(groupCursor,
this,
android.R.layout.simple_expandable_list_item_1,
android.R.layout.simple_expandable_list_item_2,
new String[] {"RoomName"}, // Name for group layouts
new int[] {android.R.id.text1},
new String[] {"SwitchFullName"}, // Number for child
layouts
new int[] {android.R.id.text1});
setListAdapter(mAdapter);
System.out.println ("%%%%
%"+getExpandableListAdapter().getGroupCount());
System.out.println ("::::::::::::::"+this.getSelectedId());
//getChildView();where should I call this and how parameter
pass to this?
}
@Override
public View getChildView(int groupPosition, int childPosition,
boolean isLastChild, View convertView, ViewGroup parent)
{
View v = getChildView(groupPosition, childPosition, isLastChild,
convertView, parent);
return v;
}
@Override
public void onGroupExpand(int groupPosition)
{
System.out.println ("Inside onGroupExpand~~~~");
// TODO Auto-generated method stub
super.onGroupExpand(groupPosition);
idVal = groupPosition;
System.out.println ("``````````````");
// System.out.println
("``````````````"+getString(groupPosition));
Toast.makeText(this, "Group Clicked on pos = "+ groupPosition,
Toast.LENGTH_SHORT).show();
}
public class MyExpandableListAdapter extends
SimpleCursorTreeAdapter
{
public MyExpandableListAdapter(Cursor cursor, Context context,
int groupLayout,
int childLayout, String[] groupFrom, int[] groupTo,
String[] childrenFrom,
int[] childrenTo){
super(context, cursor, groupLayout, groupFrom, groupTo,
childLayout, childrenFrom,
childrenTo);
}
@Override
protected Cursor getChildrenCursor(Cursor groupCursor)
{
System.out.println ("Inside getChildrenCursor");
String roomname =
groupCursor.getString(groupCursor.getColumnIndex("RoomName"));
System.out.println ("@@#...@#@#...@#"+idVal);
Cursor groupCursor1 = sampleDB.rawQuery ("SELECT
_id,SwitchFullName FROM SwitchTable where RoomName='"+roomname
+"'",null);
return groupCursor1;
}
}
On Dec 17, 8:28 am, "pramod.deore" <[email protected]> wrote:
> TreKing, Thanks for quick response.
>
> On Dec 17, 8:11 am, TreKing <[email protected]> wrote:
>
> > On Thu, Dec 16, 2010 at 9:00 PM, pramod.deore
> > <[email protected]>wrote:
>
> > > TreKing, Thanks .Normally we do this by changing in xml file but here
> > > there
> > > is no xml file. so how to do this.
>
> > Oh, durf - didn't read closely enough.
>
> > Well then, try overriding getChildeView and getGroupView, calling super to
> > do the work, get the returned View, change the properties on it, then return
> > it.
>
> > -------------------------------------------------------------------------------------------------
> > TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago
> > transit tracking app for Android-powered devices
>
>
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