Android UI How to - Select multiple items in the ListView

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You can allow multiple items in the ListView to be selected.

Example

/*from  w  w  w  .ja va  2  s .  c  o m*/
package com.java2s.myapplication3.app;

import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends ListActivity  {
    String[] presidents = {
            "XML",
            "HTML",
            "CSS",
            "Java",
            "Javascript"
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ListView lstView = getListView();
        //lstView.setChoiceMode(ListView.CHOICE_MODE_NONE);
        //lstView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        lstView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

        setListAdapter(new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, presidents));
    }

    public void onListItemClick(
            ListView parent, View v, int position, long id)
    {
        Toast.makeText (this,
                "You have selected " + presidents [position],
                Toast.LENGTH_SHORT).show();
    }

}

Note

To programmatically get a reference to the ListView object, you use the getListView() method, which fetches the ListActivity's list view.

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