获取联系人效果图：

获取短信效果图：

前提--——添加权限：

<1>获取手机联系人

通过短信数据库获取联系人内容：

Activity代码：

package com.example.android_readcontacts;import android.content.ContentResolver;import android.database.Cursor;import android.net.Uri;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.ListView;import android.widget.SimpleAdapter;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;public class MainActivity extends AppCompatActivity {    PRivate ContentResolver contentResolver;    private List<Map<String, Object>> data;    private ListView lt_main_listview;    private SimpleAdapter simpleAdapter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        lt_main_listview = (ListView) findViewById(R.id.lt_main_listview);        //得到内容监听者        contentResolver = getContentResolver();        //展示数据        data = new ArrayList<Map<String,Object>>();        //准备适配器        simpleAdapter = new SimpleAdapter(this, data,android.R.layout.simple_list_item_2,new String[]{"name","phone"},new int[]{android.R.id.text1,android.R.id.text2});        //设置适配器        lt_main_listview.setAdapter(simpleAdapter);    }    //获取联系人    public void getContacts(View view){        //获取系统联系人地址        Cursor cursor=contentResolver.query(Uri.parse("content://com.android.contacts/raw_contacts"),null,null,null,null);        while (cursor.moveToNext()){            Map<String,Object> map=new HashMap<>();            //获取系统表字段            //联系人id            int id=cursor.getInt(cursor.getColumnIndex("_id"));            //联系人姓名            String displayName=cursor.getString(cursor.getColumnIndex("display_name"));            //放值            map.put("name",displayName);            //根据联系人获取联系人数据            Cursor cursor2=contentResolver.query(Uri.parse("content://com.android.contacts/raw_contacts/"+id+"/data"),null,null,null,null);            while (cursor2.moveToNext()){                String type=cursor2.getString(cursor2.getColumnIndex("mimetype"));                String data1=null;                if("vnd.android.cursor.item/phone_v2".equals(type)){                    data1 = cursor2.getString(cursor2.getColumnIndex("data1"));                    map.put("phone",data1);                }            }            //放数据进集合            data.add(map);        }        //通知适配器发生改变        simpleAdapter.notifyDataSetChanged();    }}
layout代码：
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context="com.example.android_readcontacts.MainActivity">        <Button            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:onClick="getContacts"            android:text="获取手机所有联系人" />    <ListView        android:id="@+id/lt_main_listview"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="60dp">    </ListView></RelativeLayout>
<2>获取手机短信
通过短信数据库获取短信内容：
Activity代码：
package com.example.android_readcontacts;import android.content.ContentResolver;import android.database.Cursor;import android.net.Uri;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.ListView;import android.widget.SimpleAdapter;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.regex.Matcher;import java.util.regex.Pattern;/** * Created by Administrator on 2017/2/21. */public class TwoActivity extends AppCompatActivity {    private ContentResolver contentResolver;    private List<Map<String, Object>> data;    private ListView lt_main_listview;    private SimpleAdapter simpleAdapter;    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_two);        lt_main_listview = (ListView) findViewById(R.id.lt_main_listview2);        //获取内容监听者        contentResolver = getContentResolver();        //展示数据        data = new ArrayList<Map<String,Object>>();        //准备适配器        simpleAdapter = new SimpleAdapter(this, data,android.R.layout.simple_list_item_2,new String[]{"number","body"},new int[]{android.R.id.text1,android.R.id.text2});        //设置适配器        lt_main_listview.setAdapter(simpleAdapter);    }    //获取系统短息地址    private Uri uri = Uri.parse("content://sms/");    //获取短信内容    public void getSms(View view){        //获取内容监听者        ContentResolver cr=getContentResolver();        //获取短信内容        String[] projection = new String[]{"_id", "address", "person", "body", "date", "type"};        //创建查询        Cursor cursor=cr.query(uri,projection,null,null,"date desc");        if(null==cursor){            return;        }        while (cursor.moveToNext()){            Map<String,Object> map2=new HashMap<>();            //循环获取短信内容            //发件人地址            String number=cursor.getString(cursor.getColumnIndex("address"));            map2.put("number",number);            //发件人，如果发件人在通讯录中则为具体姓名，陌生人为null            String name=cursor.getString(cursor.getColumnIndex("person"));            map2.put("name",name);            //短信具体内容            String body=cursor.getString(cursor.getColumnIndex("body"));            map2.put("body",body);            //获取自己短信服务号码中的验证码~~            Pattern pattern = Pattern.compile(" [a-zA-Z0-9]{10}");            Matcher matcher = pattern.matcher(body);            if (matcher.find()) {                String res = matcher.group().substring(1, 11);                map2.put("content",res);            }            //放数据进集合            data.add(map2);        }        //通知适配器发生改变        simpleAdapter.notifyDataSetChanged();    }}
layout代码：
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="match_parent"    android:layout_height="match_parent">    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="getSms"        android:text="获取手机所有短信内容"        />    <ListView        android:id="@+id/lt_main_listview2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="60dp"></ListView></LinearLayout>
SMS注释：
　　　_id：短信序号，如100　　　　thread_id：对话的序号，如100，与同一个手机号互发的短信，其序号是相同的　　　　address：发件人地址，即手机号，如+8613811810000　　　　person：发件人，如果发件人在通讯录中则为具体姓名，陌生人为null　　　　date：日期，long型，如1256539465022，可以对日期显示格式进行设置　　　　protocol：协议0SMS_RPOTO短信，1MMS_PROTO彩信　　　　read：是否阅读0未读，1已读　　　　status：短信状态-1接收，0complete,64pending,128failed　　　　type：短信类型1是接收到的，2是已发出　　　　body：短信具体内容　　　　service_center：短信服务中心号码编号，如+8613800755500