/* * 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:src/main/java/net/micode/notes/data/Contact.java * @Package: net.micode.notes.data * @ClassName: Contact * @Description: * @Author: WUSHUXIAN * @CreateDate: 2023/12/20 23:26 * @Version: 1.0 */ public class Contact { private static HashMap sContactCache; private static final String TAG = "Contact"; ======== * @Package: net.micode.notes.data * @ClassName: Contact * @Description: * Contact类用于查询联系人信息并进行缓存。 * 该类包含一个静态的HashMap作为缓存,存储电话号码和对应的联系人名字。 * 通过调用getContact方法可以根据给定的电话号码查询联系人名字。 * 如果缓存中已经存在该电话号码对应的联系人名字,则直接返回缓存中的结果,否则通过查询数据库获取联系人名字并更新缓存。 * 该类还定义了一个私有的SQL筛选语句用于查询联系人信息。 * 注意:该类是线程不安全的,如果需要在多线程环境下使用,请做好同步控制 * @Author: YangYizhe * @CreateDate: 12/17/2023 10:10 AM * @Version: 1.0 */ public class Contact { /** * 作为缓存,存储电话号码和对应的联系人名字 */ private static HashMap sContactCache; private static final String TAG = "Contact";//设置日志TAG标签 //查询联系人的SQL筛选语句 >>>>>>>> b654a61 (code):src/Notes/app/src/main/java/net/micode/notes/data/Contact.java 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 = '+')"; /** * @method getContact * @description: * @date: 2023/12/21 19:18 * @author: WuShuxian * @param: context * @param: phoneNumber * @return: String */ public static String getContact(Context context, String phoneNumber) { // if(sContactCache == null) { sContactCache = new HashMap(); } if(sContactCache.containsKey(phoneNumber)) { return sContactCache.get(phoneNumber); } String selection = CALLER_ID_SELECTION.replace("+", PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); Cursor cursor = context.getContentResolver().query( Data.CONTENT_URI, new String [] { Phone.DISPLAY_NAME }, selection, new String[] { phoneNumber }, null); if (cursor != null && cursor.moveToFirst()) { try { String name = cursor.getString(0); sContactCache.put(phoneNumber, name); return name; } catch (IndexOutOfBoundsException e) { Log.e(TAG, " Cursor get string error " + e.toString()); return null; } finally { cursor.close(); } } else { Log.d(TAG, "No contact matched with number:" + phoneNumber); return null; } } }