Android SDK2.0 通讯录(一)

以下代码是通过测试类来测试该方法，注释里的部分是通过ContactsContract.Contacts这个类里的常量获取uri以及id。
而方法中确实通过查看SQLite来获取字段的

package wjh.android.contact;

import java.util.ArrayList;

import android.content.ContentProviderOperation;

import android.content.ContentProviderResult;

import android.content.ContentResolver;

import android.content.ContentUris;

import android.content.ContentValues;

import android.database.Cursor;

import android.net.Uri;

import android.provider.ContactsContract;

import android.provider.ContactsContract.RawContacts;

import android.provider.ContactsContract.CommonDataKinds.Email;

import android.provider.ContactsContract.CommonDataKinds.Phone;

import android.provider.ContactsContract.CommonDataKinds.StructuredName;

import android.provider.ContactsContract.Contacts.Data;

import android.test.AndroidTestCase;

import android.util.Log;

public class ContactTest extends AndroidTestCase {

private static final String TAG = "ContactTest";

public void testGetContacts() throws Throwable {

ContentResolver contentResolver = this.getContext().getContentResolver();

String uriStr = "content://com.android.contacts/contacts";

Uri uri = Uri.parse(uriStr);

Cursor cursor = contentResolver.query(uri, null, null, null, null);

// 遍历联系人

while (cursor.moveToNext()) {

// 联系人 ID

int contactId = cursor.getInt(cursor.getColumnIndex(ContactsContract.Contacts._ID));

// 联系人显示名称

String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

// 联系人电话号码需要对另一个表进行查询，所以用到另一个 uri：content://com.android.contacts/data/phones

Cursor phones = getContext().getContentResolver().query(

ContactsContract.CommonDataKinds.Phone.CONTENT_URI,

null,

ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " // 根据上一步获取的联系人 id 来查询

+ contactId, null, null);

String phone = "";

while (phones.moveToNext()) {

// "data1"字段，所以此处也可以直接写 "data1"，但不推荐

phone = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));

}

// 再查询 Email。uri 为 : content://com.android.contacts/data/emails

Cursor emails = getContext().getContentResolver().query(

ContactsContract.CommonDataKinds.Email.CONTENT_URI,

null,

ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = "

+ contactId, null, null);

while (emails.moveToNext()) {

String emailAddress = emails.getString(emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));

Log.i("RongActivity", "emailAddress=" + emailAddress);

}

emails.close();

Log.i(TAG, "Contact [contactId= "+ contactId +"name=" + name + ", phone=" + phone + "]");

}

}

public void testInsert() {

ContentValues values = new ContentValues();

//首先向RawContacts.CONTENT_URI执行一个空值插入(raw_contacts 表), 为了获取生成的联系人 ID

Uri rawContactUri = this.getContext().getContentResolver().insert(RawContacts.CONTENT_URI, values);

long rawContactId = ContentUris.parseId(rawContactUri);

//往data表入姓名数据

values.clear();

// raw_contacts_id 字段，是 raw_contacts表id 的外键，用于说明此记录属于哪一个联系人

values.put(Data.RAW_CONTACT_ID, rawContactId);

// mimityp