FileDocCategorySizeDatePackage
ExpandableList1.javaAPI DocAndroid 1.5 API5972Wed May 06 22:41:08 BST 2009com.example.android.apis.view

ExpandableList1

public class ExpandableList1 extends android.app.ExpandableListActivity
Demonstrates expandable lists using a custom {@link ExpandableListAdapter} from {@link BaseExpandableListAdapter}.

Fields Summary
android.widget.ExpandableListAdapter
mAdapter
Constructors Summary
Methods Summary
public booleanonContextItemSelected(android.view.MenuItem item)

        ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo) item.getMenuInfo();

        String title = ((TextView) info.targetView).getText().toString();
        
        int type = ExpandableListView.getPackedPositionType(info.packedPosition);
        if (type == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
            int groupPos = ExpandableListView.getPackedPositionGroup(info.packedPosition); 
            int childPos = ExpandableListView.getPackedPositionChild(info.packedPosition); 
            Toast.makeText(this, title + ": Child " + childPos + " clicked in group " + groupPos,
                    Toast.LENGTH_SHORT).show();
            return true;
        } else if (type == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
            int groupPos = ExpandableListView.getPackedPositionGroup(info.packedPosition); 
            Toast.makeText(this, title + ": Group " + groupPos + " clicked", Toast.LENGTH_SHORT).show();
            return true;
        }
        
        return false;
public voidonCreate(android.os.Bundle savedInstanceState)

        super.onCreate(savedInstanceState);

        // Set up our adapter
        mAdapter = new MyExpandableListAdapter();
        setListAdapter(mAdapter);
        registerForContextMenu(getExpandableListView());
public voidonCreateContextMenu(android.view.ContextMenu menu, android.view.View v, android.view.ContextMenu.ContextMenuInfo menuInfo)

        menu.setHeaderTitle("Sample menu");
        menu.add(0, 0, 0, R.string.expandable_list_sample_action);