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>