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MINOTES/src/data/Contact.java

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/*
* 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;
<<<<<<< HEAD
<<<<<<< HEAD:app/src/main/java/net/micode/notes/data/Contact.java
public class Contact {
private static HashMap<String, String> sContactCache;//建立哈希表
private static final String TAG = "Contact";//设置TAG值为'联系'
=======
public class Contact {//连接类
private static HashMap<String, String> sContactCache;//建立哈希表
private static final String TAG = "Contact";//设置TAG的值为'连接'
>>>>>>> 0444a65d4e44c509f57ad301a5a2b59200d62177:src/data/Contact.java
=======
public class Contact { //连接类
private static HashMap<String, String> sContactCache; //定义连接哈希表
private static final String TAG = "Contact"; //设置TAG的值为'连接'
>>>>>>> b12b9a8449498593360310c554053628b31cc8c9
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 = '+')"; //SQL语句
public static String getContact(Context context, String phoneNumber) { //获取连接
if(sContactCache == null) {
sContactCache = new HashMap<String, String>(); //连接哈希表为空时创建连接哈希表
}
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber); //连接哈希表存在电话号码时获取值
}
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); //将电话号码进行函数处理并代替'+'符号
Cursor cursor = context.getContentResolver().query( //用于查询的结果集
Data.CONTENT_URI, //通话记录uri
new String [] { Phone.DISPLAY_NAME },
selection,
new String[] { phoneNumber },
null); //查询指定号码相关联系人名字
if (cursor != null && cursor.moveToFirst()) {
try { //有结果时
String name = cursor.getString(0); //获取联系人名字
sContactCache.put(phoneNumber, name); //缓存电话号码与联系人名字
return name;
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, " Cursor get string error " + e.toString()); //日志记录信息
return null;
} finally {
cursor.close(); //关闭结果集
}
} else {
Log.d(TAG, "No contact matched with number:" + phoneNumber); //日志记录信息
return null; //没找到返回NULL
}
}
}