|
|
/*
|
|
|
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
|
|
|
*
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
* you may not use this file except in compliance with the License.
|
|
|
* You may obtain a copy of the License at
|
|
|
*
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
|
*
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
* See the License for the specific language governing permissions and
|
|
|
* limitations under the License.
|
|
|
*/
|
|
|
|
|
|
package net.micode.notes.data;
|
|
|
|
|
|
import android.content.Context;
|
|
|
import android.database.Cursor;
|
|
|
import android.provider.ContactsContract.CommonDataKinds.Phone;
|
|
|
import android.provider.ContactsContract.Data;
|
|
|
import android.telephony.PhoneNumberUtils;
|
|
|
import android.util.Log;
|
|
|
|
|
|
import java.util.HashMap;
|
|
|
|
|
|
public class Contact { //缓存联系人信息的HashMap，键为电话号码，值为联系人姓名
|
|
|
private static HashMap<String, String> sContactCache; //日志标签
|
|
|
private static final String TAG = "Contact"; //查询联系人信息的SQL选择语句模板
|
|
|
|
|
|
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
|
|
|
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
|
|
|
+ " AND " + Data.RAW_CONTACT_ID + " IN "
|
|
|
+ "(SELECT raw_contact_id "
|
|
|
+ " FROM phone_lookup"
|
|
|
+ " WHERE min_match = '+')";
|
|
|
|
|
|
/*
|
|
|
* 根据电话号码获取联系人姓名
|
|
|
* @param context 上下文对象
|
|
|
* @param phoneNumber 电话号码
|
|
|
* @return 联系人姓名，如果未找到则返回null
|
|
|
*/
|
|
|
|
|
|
public static String getContact(Context context, String phoneNumber) { //初始化缓存
|
|
|
if(sContactCache == null) {
|
|
|
sContactCache = new HashMap<String, String>();
|
|
|
}
|
|
|
//如果缓存中存在该电话号码对应的联系人姓名，直接返回
|
|
|
if(sContactCache.containsKey(phoneNumber)) {
|
|
|
return sContactCache.get(phoneNumber);
|
|
|
}
|
|
|
//替换SQL选择语句中的占位符
|
|
|
String selection = CALLER_ID_SELECTION.replace("+",
|
|
|
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
|
|
|
//查询联系人信息
|
|
|
Cursor cursor = context.getContentResolver().query(
|
|
|
Data.CONTENT_URI,
|
|
|
new String [] { Phone.DISPLAY_NAME }, //查询联系人显示名称
|
|
|
selection,
|
|
|
new String[] { phoneNumber }, //查询参数
|
|
|
null);
|
|
|
//如果查询不为空且有数据
|
|
|
if (cursor != null && cursor.moveToFirst()) {
|
|
|
try { //获取联系人姓名
|
|
|
String name = cursor.getString(0); //将联系人信息存入缓存
|
|
|
sContactCache.put(phoneNumber, name);
|
|
|
return name;
|
|
|
} catch (IndexOutOfBoundsException e) { //捕获并记录异常
|
|
|
Log.e(TAG, " Cursor get string error " + e.toString());
|
|
|
return null;
|
|
|
} finally { //关闭游标
|
|
|
cursor.close();
|
|
|
}
|
|
|
} else { //记录未找到联系人的日志
|
|
|
Log.d(TAG, "No contact matched with number:" + phoneNumber);
|
|
|
return null;
|
|
|
}
|
|
|
}
|
|
|
}
|
