Android获取手机联系人信息

package com.noonecode.contentresolvercontacts;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract.CommonDataKinds.Email;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.RawContacts;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class MainActivity extends Activity {

 private ListView mLvShow;
 private List<Map<String, String>> dataList;
 private SimpleAdapter adapter;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 mLvShow = (ListView) findViewById(R.id.lv_show);
 dataList = getDataList();
 adapter = new SimpleAdapter(this, dataList, R.layout.simple_contacts_item//
  , new String[] { "name", "number", "email" }//
  , new int[] { R.id.tv_name, R.id.tv_number, R.id.tv_email });
 mLvShow.setAdapter(adapter);
 }

 /**
 * 加载数据
 * 
 * @return
 */
 private List<Map<String, String>> getDataList() {
 List<Map<String, String>> list = new ArrayList<Map<String, String>>();
 ContentResolver resolver = getContentResolver();
 Cursor cursor = resolver.query(RawContacts.CONTENT_URI,
  new String[] { RawContacts._ID, RawContacts.DISPLAY_NAME_PRIMARY }//
  , null, null, null);
 while (cursor.moveToNext()) {
  Map<String, String> map = new HashMap<String, String>();
  String id = cursor.getString(cursor.getColumnIndex(RawContacts._ID));// "_id"
  String name = cursor.getString(cursor.getColumnIndex(RawContacts.DISPLAY_NAME_PRIMARY));// "display_name"
  map.put("name", name);

  // 联系人号码
  Cursor phoneCursor = resolver.query(Phone.CONTENT_URI//
   , new String[] { Phone.NUMBER }// "data1"
   , "raw_contact_id=?", new String[] { id }, null);
  if (phoneCursor.moveToNext()) {
  String number = phoneCursor.getString(phoneCursor.getColumnIndex(Phone.NUMBER));
  map.put("number", number);
  }

  // 联系人邮箱
  Cursor emailCursor = resolver.query(Email.CONTENT_URI//
   , new String[] { Email.ADDRESS}// "data1"
   , "raw_contact_id=?", new String[] { id }, null);
  if (emailCursor.moveToNext()) {
  String email = emailCursor.getString(emailCursor.getColumnIndex(Email.ADDRESS));
  map.put("email", email);
  }
  list.add(map);
 }
 return list;
 }
}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 tools:context="com.noonecode.contentresolvercontacts.MainActivity" >

 <ListView
 android:id="@+id/lv_show"
 android:layout_width="match_parent"
 android:layout_height="match_parent" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:padding="10dp" >

 <TextView
 android:id="@+id/tv_name"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:text="name"
 android:textSize="22sp" />

 <TextView
 android:id="@+id/tv_number"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_below="@id/tv_name"
 android:text="number" />

 <TextView
 android:id="@+id/tv_email"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_below="@id/tv_name"
 android:layout_marginLeft="10dp"
 android:layout_toRightOf="@id/tv_number"
 android:text="email" />

</RelativeLayout>