<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="org.lxh.contact" android:versionCode="1" android:versionName="1.0">
  <application android:icon="@drawable/icon" android:label="@string/app_name">
    <uses-library android:name="android.test.runner" />
  </application>
  <uses-sdk android:minSdkVersion="8" />
  <instrumentation android:name="android.test.InstrumentationTestRunner"
    android:targetPackage="org.lxh.contact" android:label="TestforMyApp" />
  <uses-permission android:name="android.permission.READ_CONTACTS" />
  <uses-permission android:name="android.permission.WRITE_CONTACTS" />
</manifest>

package org.lxh.contact;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;
import android.test.AndroidTestCase;
import android.util.Log;
public class TestContact extends AndroidTestCase{ //junit测试类
 public void testFind() throws Throwable{
   Uri uri=ContactsContract.Contacts.CONTENT_URI; //通讯录的uri,这是推荐的常量
   ContentResolver resol=this.getContext().getContentResolver();
   Cursor cursor=resol.query(uri, null, null, null, null);
   //取得通讯录里的内容
   while(cursor.moveToNext()){
     StringBuffer buf=new StringBuffer(); //实例化一个可变字符串StringBuffer
     //取得联系人id,每个条目都有一个唯一的id(主键)
     String contactId=cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
     //取得联系人的显示名称
     String name=cursor.getString(cursor.getColumnIndex(ContactsContract.Data.DISPLAY_NAME));
     buf.append("id:"+contactId).append(",name:"+name);
     //取得联系人的号码
     Cursor phone=resol.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID+" = "+contactId,null,null);
     while(phone.moveToNext()){
       String phonum=phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
       buf.append(phonum);
     }
     phone.close();
     //取得联系人的email
     Cursor email=resol.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI ,null,ContactsContract.CommonDataKinds.Email.CONTACT_ID+" = "+contactId,null,null);
     while(email.moveToNext()){
       String mail=email.getString(email.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));
       buf.append(",mail:"+mail);
     }
     email.close();
     Log.i("TestContact",buf.toString());
   }
   cursor.close();
 }
}