package com.mh.android.test;

import android.app.ListActivity;
import android.os.Bundle;
import android.util.Log;
import android.util.SparseBooleanArray;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class ListAdapterTest extends ListActivity {

    String[] items= {“lorem”, “ipsum”, “dolor”, “sit”, “amet”,
        “consectetuer”, “adipiscing”, “elit”, “morbi”, “vel”,
        “ligula”, “vitae”, “arcu”, “aliquet”, “mollis”,
        “etiam”, “vel”, “erat”, “placerat”, “ante”,
    “porttitor”, “sodales”, “pellentesque”, “augue”, “purus”};

    TextView selection;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setListAdapter(new ArrayAdapter<String>(this,
        android.R.layout.simple_list_item_multiple_choice,
        items));
        selection = (TextView) findViewById(R.id.selection);
    }
    @Override
    protected void onListItemClick(ListView parent, View v, int position, long id) {
        // Clear the TextView before we assign the new content.
        selection.setText(” “);
        // get array of booleans for which positions are selected in the items.
        // This SparseBooleanArray object contains an array of boolean values paired with keys,
        // which can be accessed using valueAt(index) and keyAt(index) respectively.
        SparseBooleanArray chosen = parent.getCheckedItemPositions();
        for(int i=0; i<chosen.size(); i++) {
            Log.d(“selection”, “index: “+i+”; key: “+chosen.keyAt(i)+”; value: “+chosen.valueAt(i)+”; “+items[chosen.keyAt(i)]);
            // if the item is selected by the user, we display it on the TextView.
            if(chosen.valueAt(i)) {
                selection.append(items[chosen.keyAt(i)]+” “);
            }
        }
    }
}