【工具类】获取android手机联系人的名子和号码，并以List的形式返回

【工具类】获取android手机联系人的名子和号码，并以List的形式返回

package  yinger.firewall.util;

import  java.util.ArrayList;
import  java.util.HashMap;

import  android.content.ContentResolver;
import  android.content.Context;
import  android.database.Cursor;
import  android.provider.ContactsContract;
import  android.provider.ContactsContract.PhoneLookup;

/**
 * ReadContactsUtil
 * 
 *  @author  Ying_er
 * @Email [email protected]
 * @time 2011/03/30 11:57:23
 *  @version  1.00
  */
public   final   class  MyReadContactsUtil {
     /**
     *  @return  contacts list
      */
     public   static  ArrayList getContacts(Context context) {
        ArrayList < HashMap < String, String >>  list  =   new  ArrayList < HashMap < String, String >> ();
        String number  =   "" ;
        ContentResolver cr  =  context.getContentResolver(); //  得到一个ContentResolver对象
         //  得到一个游标查询对象
        Cursor cursor  =  cr.query(ContactsContract.Contacts.CONTENT_URI,  null ,
                 null ,  null ,  null );
         while  (cursor.moveToNext()) {
             //  获取联系人的名字的索引
             int  nameFieldColumnIndex  =  cursor
                    .getColumnIndex(PhoneLookup.DISPLAY_NAME);
             //  获取联系人的名字
            String contact  =  cursor.getString(nameFieldColumnIndex);
            Cursor target  =  context.getContentResolver().query(
                    ContactsContract.Contacts.CONTENT_URI,  null ,  null ,  null ,
                     null );
            target.moveToFirst();
             //  得到联系人的ID
            String contentId  =  cursor.getString(target
                    .getColumnIndex(ContactsContract.Contacts._ID));
            String isPnone  =  cursor
                    .getString(cursor
                            .getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER));
             if  (Integer.parseInt(isPnone)  >   0 ) {
                Cursor phone  =  context.getContentResolver().query(
                        ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                         null ,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID  +   " = "
                                 +  contentId,  null ,  null );
                 while  (phone.moveToNext()) {
                     //  得到联系人电话
                    number  =  phone
                            .getString(phone
                                    .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    HashMap < String, String >  map  =   new  HashMap < String, String > ();
                    map.put( " number " , number);
                    map.put( " name " , contact);
                    number  =   "" ;
                    list.add(map);
                }
                phone.close();
            }
        }
        cursor.close();
         return  list;
    }
}