Android 获得联系人并排序

方式一：通过观察导出的联系人数据库的相关字段，根据字段去查询（在有些手机上会查询不全，并且该类没有实现排序）

import android.content.Context;
import android.database.Cursor;
import android.net.Uri;

import com.wjustudio.phoneManager.Common.AppConstants;
import com.wjustudio.phoneManager.javaBean.Contact;

import java.util.ArrayList;

/**
* 作者：songwenju on 2016/4/2 22:00
* 邮箱：songwenju01@163.com
*/
public class ContactUtil {

/**
* 获得系统联系人
*
* @param context
* @return
*/
public static ArrayList<Contact> getContact(Context context) {
ArrayList<Contact> contacts = new ArrayList<>();
Contact contact;
String[] projection = {"data1", "mimetype"};
Cursor rawCursor = context.getContentResolver().query(Uri.parse(AppConstants.RAW_CONTACTS),
new String[]{"contact_id"}, null, null, null);
if (rawCursor != null && rawCursor.getCount() > 0) {
LogUtil.i("ContactUtil", "the number of contact:" + rawCursor.getCount());
while (rawCursor.moveToNext()) {
String contact_id = rawCursor.getString(rawCursor.getColumnIndex("contact_id"));
LogUtil.i("contactUtil","contact_id:"+contact_id);
if (contact_id != null) {
Cursor dataCursor = context.getContentResolver().query(
Uri.parse(AppConstants.DATA_CONTACTS), projection,
"raw_contact_id = ?", new String[]{contact_id}, null);
if (dataCursor != null && dataCursor.getCount() > 0) {
contact = new Contact();
while (dataCursor.moveToNext()) {
String data1 = dataCursor.getString(dataCursor.getColumnIndex("data1"));
data1 = data1.trim().replaceAll("-","").replaceAll(" ","");
String mimetype = dataCursor.getString(dataCursor.getColumnIndex("mimetype"));
switch (mimetype) {
case "vnd.android.cursor.item/name":
contact.contact_name = data1;
if (ChineseUtil.isChinese(data1.charAt(0))){
contact.pinYin = PinYinUtil.toPinyin(data1);
}else {
contact.pinYin = data1;
}
break;
case "vnd.android.cursor.item/email_v2":
contact.email = data1;
break;
case "vnd.android.cursor.item/phone_v2":
contact.contact_phoneNum = data1;
break;
}
}
contacts.add(contact);
}
}
}
}
LogUtil.e("contactUtil","contactNum:"+contacts.size());
return contacts;
}

}

对应的bean

package com.wjustudio.contactdemo;

import java.util.ArrayList;
import java.util.List;

/**
* 作者：songwenju on 2016/4/2 22:01
* 邮箱：songwenju01@163.com
*/
public class Contact {
public String name;
public String pinYin;
public List<String> telephoneNumber = new ArrayList<>();
public String email;

@Override
public String toString() {
return "Contact{" +
"name='" + name + '\'' +
", pinYin='" + pinYin + '\'' +
", telephoneNumber=" + telephoneNumber +
", email='" + email + '\'' +
'}';
}
}

对应的AppConstants中两个字段

/**
* App所用的常量
* 作者：songwenju on 2016/1/31 11:39
* 邮箱：songwenju01@163.com
*/
public class AppConstants {
public static final String RAW_CONTACTS = "content://com.android.contacts/raw_contacts";
public static final String DATA_CONTACTS = "content://com.android.contacts/data";
}

方式二：通过系统提供的字段来获取数据，并实现了按拼音排序

import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;
import android.text.TextUtils;

import com.wjustudio.phoneManager.javaBean.Contact;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;

import java.util.ArrayList;

public class ContactUtils {

public static ArrayList<Contact> getContact(Context context) {
ArrayList<Contact> listMembers = new ArrayList<>();
Cursor cursor = null;
try {
Uri uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
// 这里是获取联系人表的电话里的信息  包括：名字，联系人id,电话号码；
// 然后在根据"sort-key"排序
cursor = context.getContentResolver().query(
uri,
new String[] { "display_name", "contact_id", "data1" },
null, null, "sort_key");

if (cursor != null && cursor.moveToFirst()) {
LogUtil.e("contactUtil", "ContactCount:" + cursor.getCount());
while (cursor.moveToNext()){
Contact contact = new Contact();
String contact_phoneNum = cursor.getString(cursor
.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
String name = cursor.getString(cursor.getColumnIndex(
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
int contact_id = cursor.getInt(cursor
.getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID));
contact.contact_name = name;
contact.contact_phoneNum = contact_phoneNum.replaceAll("[^0-9]", "");
contact.contact_id = contact_id;
contact.pinYin = getPingYin(name);
LogUtil.e("contactUtils", "contact:" + contact.toString());
if (name != null)
listMembers.add(contact);
}

}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (cursor != null){
cursor.close();
}
}
return listMembers;
}

/**
* 将字符串中的中文转化为拼音,其他字符不变
*
* @param inputString 输入的中文汉字
* @return 获得的拼音
*/
public static String getPingYin(String inputString) {
if (TextUtils.isEmpty(inputString)) {
return "";
}
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
format.setVCharType(HanyuPinyinVCharType.WITH_V);

char[] input = inputString.trim().toCharArray();
String output = "";

try {
for (char anInput : input) {
if (Character.toString(anInput).matches(
"[\\u4E00-\\u9FA5]+")) {
String[] temp = PinyinHelper.toHanyuPinyinStringArray(
anInput, format);
if (temp == null || TextUtils.isEmpty(temp[0])) {
continue;
}
output += temp[0].replaceFirst(temp[0].substring(0, 1),
temp[0].substring(0, 1).toUpperCase());
} else
output += Character.toString(anInput);
}
} catch (Exception e) {
e.printStackTrace();
}
return output;
}

}

对应的bean

/**
* author：songwenju on 16-4-7 11 : 07
* Email: songwenju01@163.com
*/
public class Contact {
public String contact_name;
public String contact_phoneNum;
public int contact_id;
public String email;
//public List<String> telephoneNumber = new ArrayList<>();
public String pinYin;
@Override
public String toString() {
return "Contact{" +
"contact_name='" + contact_name + '\'' +
", contact_phoneNum='" + contact_phoneNum + '\'' +
", contact_id=" + contact_id +
", email='" + email + '\'' +
", pinYin='" + pinYin + '\'' +
'}';
}

}

联系人数据库里面联系人和电话号码是分别存在两个表里面的，因为存在一个联系人拥有几个号码的情况，所以android为联系人和手机号码分别单独创建了相应的视图。

联系人信息的视图里面只保存与联系人相关的资料，例如姓名，是否有手机号码等。
而手机号码资料则是每一个电话号码为一条记录，如果有一个联系人有3个号码，则里面会出现3个该联系人的记录，号码分别为他的三个号码。
如果是需要读取联系人信息，传入的URI为：ContactsContract.Contacts.CONTENT_URI
如果是需要读取手机号码信息传入的URI为：ContactsContract.CommonDataKinds.Phone.CONTENT_URI
下篇文章将写一个完整的小项目去实现读联系人，并且以自定义View的形式展示出来。