I would like to have expandable text categories which reveal children
that are checkable entries.
I've used the "simple_list_item_multiple_choice" layout for the
childLayout argument of SimpleExpandableListAdapter.
The activity shows up correctly, but when a child item is clicked, the
check box will not toggle.
I haven taken code from List11.java and ExpandableList3.java from the
ApiDemos project.
====================================================
package com.kostmo.android.test;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.app.ExpandableListActivity;
import android.os.Bundle;
import android.widget.ExpandableListAdapter;
import android.widget.ListView;
import android.widget.SimpleExpandableListAdapter;
public class ExpandableFeatureSelector extends ExpandableListActivity
{
private static final String NAME = "NAME";
private ExpandableListAdapter mAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
List<Map<String, String>> groupData = new
ArrayList<Map<String, String>>();
List<List<Map<String, String>>> childData = new
ArrayList<List<Map<String, String>>>();
for (String database_name : AvailableCategories) {
Map<String, String> curGroupMap = new HashMap<String,
String>();
groupData.add(curGroupMap);
curGroupMap.put(NAME, database_name);
List<Map<String, String>> children = new
ArrayList<Map<String, String>>();
for (String download_option : AvailableFeatures) {
Map<String, String> curChildMap = new HashMap<String,
String>();
children.add(curChildMap);
curChildMap.put(NAME, download_option);
}
childData.add(children);
}
mAdapter = new SimpleExpandableListAdapter(
this,
groupData,
android.R.layout.simple_expandable_list_item_1,
new String[] { NAME },
new int[] { android.R.id.text1 },
childData,
android.R.layout.simple_list_item_multiple_choice,
new String[] { NAME },
new int[] { android.R.id.text1 }
);
setListAdapter(mAdapter);
final ListView listView = getExpandableListView();
listView.setItemsCanFocus(false);
listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
}
private static final String[] AvailableCategories = new String[] {
"Books", "Clothes", "Cars"
};
private static final String[] AvailableFeatures = new String[] {
"Damaged", "Used"
};
}
====================================================
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