Auto completion for multiple selections from stored contacts on phone in android?

A user can choose multiple entries from their stored contacts and a comma will be inserted after each selection. The full source of this example can be checked out from here: http://github.com/novoda/android/tree/master/MultipleContacts



/***
* AndroidManifest.xml
* 
<uses-permission android:name="android.permission.READ_CONTACTS"/>




/***
* AutoMultipleContacts.java
*


import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.Contacts;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.Filterable;
import android.widget.MultiAutoCompleteTextView;
import android.widget.TextView;


public class AutoMultipleContacts extends Activity {


@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.multipleselect);

   Cursor peopleCursor = getContentResolver().query(Contacts.People.CONTENT_URI, PEOPLE_PROJECTION, null, null, Contacts.People.DEFAULT_SORT_ORDER);
   ContactListAdapter contactadapter = new ContactListAdapter(this,peopleCursor);
   
MultiAutoCompleteTextView textView = (MultiAutoCompleteTextView) findViewById(R.id.contacts);
        textView.setAdapter(contactadapter);
        textView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
    }




    public static class ContactListAdapter extends CursorAdapter implements Filterable {
        public ContactListAdapter(Context context, Cursor c) {
            super(context, c);
            mContent = context.getContentResolver();
        }


        @Override
        public View newView(Context context, Cursor cursor, ViewGroup parent) {
            final LayoutInflater inflater = LayoutInflater.from(context);
            final TextView view = (TextView) inflater.inflate(
                    android.R.layout.simple_dropdown_item_1line, parent, false);
            view.setText(cursor.getString(5));
            return view;
        }


        @Override
        public void bindView(View view, Context context, Cursor cursor) {
            ((TextView) view).setText(cursor.getString(5));
        }


        @Override
        public String convertToString(Cursor cursor) {
            return cursor.getString(5);
        }


        @Override
        public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
            if (getFilterQueryProvider() != null) {
                return getFilterQueryProvider().runQuery(constraint);
            }


            StringBuilder buffer = null;
            String[] args = null;
            if (constraint != null) {
                buffer = new StringBuilder();
                buffer.append("UPPER(");
                buffer.append(Contacts.ContactMethods.NAME);
                buffer.append(") GLOB ?");
                args = new String[] { constraint.toString().toUpperCase() + "*" };
            }


            return mContent.query(Contacts.People.CONTENT_URI, PEOPLE_PROJECTION,
                    buffer == null ? null : buffer.toString(), args,
                    Contacts.People.DEFAULT_SORT_ORDER);
        }


        private ContentResolver mContent;        
    }


    private static final String[] PEOPLE_PROJECTION = new String[] {
        Contacts.People._ID,
        Contacts.People.PRIMARY_PHONE_ID,
        Contacts.People.TYPE,
        Contacts.People.NUMBER,
        Contacts.People.LABEL,
        Contacts.People.NAME,
    };


}










/***
* res/layout/multipleselect.xml
*


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical">

<MultiAutoCompleteTextView 
android:id="@+id/contacts" 
android:textSize="18sp"
android:layout_margin="8px"
android:layout_width="0px"
android:layout_height="wrap_content"
android:layout_weight="1" />
    
    </LinearLayout>
</LinearLayout>