Android短信会话(查看会话记录以及会话详情界面)---短信管家3

看一下上一篇，其实是有缺陷的，我们在载入联系人的时候是放在主线程中做的（比较耗时），所以界面会卡住。推荐使用异步查询来解决

这一篇我们谈短信会话：

首先看一下效果图

这个是所有会话的列表（区分有头像和没有头像的，联系人没有头像的就暂时不显示图片，有头像则显示头像）

点击一个会话则进入详细会话页面：

这两个页面开发，主要是通过查找android的 mmssms.db这个数据库的结果

看看android底层数据的实现，了解下原理吧。

这个数据库的路径是在：/data/data下的 com.android.provider.telephony目录下

打开数据库：

里面有21张表，我们不需要所有表，这里我们需要使用到的表是： canonical_addresses threads sms这三张表。

多表查询比较麻烦，这里我就直接贴上来了：

我们查询的时候首先通过电话号码可以从表canonical_addresses拿到_id，这个id和threads表中的 _id是一样的，我们到threads中可以查到相关会话信息（也就是第一个页面所需要的信息）

跟据这个id也可以到sms表中拿到所有的与该电话关联的所有会话记录（就是第二个页面）//这里我们为什么不直接用电话号码去拿。细心的朋友会发现同一个联系人电话号码有的是 13512345678 有的是 +8613512345678,所以操作起来会比较麻烦

哦了，原理我们就先理解到这里了，然后该做啥了呢。关于这些信息，系统都封装成了内容提供者来供我们调用了，所以，就好弄了哦。

下面看一下具体实现吧：

老规矩，先把页面给大家哦：

第一个页面：

<LinearLayout 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:orientation="vertical"    android:background="@drawable/bg"><LinearLayout    android:layout_width="match_parent"    android:layout_height="50dp"    android:gravity="center"    android:background="@color/title">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/title_conversation"        android:textColor="#ffffff"        android:textSize="25dp"/></LinearLayout><ListView     android:id="@+id/lv_conversation"    android:layout_width="match_parent"    android:layout_height="match_parent"/></LinearLayout>

然后是listview对应的的item布局

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:background="@drawable/home_item_selector"    android:gravity="center_vertical"    android:orientation="horizontal" >    <ImageView        android:id="@+id/iv_conversation_item_img"        android:layout_width="50dp"        android:layout_height="50dp"        android:layout_marginTop="3dp"        android:layout_marginBottom="3dp"        android:src="@drawable/ic_launcher"/>    <LinearLayout         android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:orientation="vertical"        android:layout_marginLeft="5dp"        android:layout_weight="3">        <LinearLayout                    android:layout_width="wrap_content"        android:layout_height="wrap_content">         <TextView        android:id="@+id/tv_conversation_item_name"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="18sp"        android:textColor="#FFFFFF"        android:text="傻Bdddddddddddddddddddddddddddddddddddd"/>         <!--          <TextView        android:id="@+id/tv_conversation_item_number"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="18sp"        android:textColor="#FFFFFF"        android:text="(88)"/>     -->                    </LinearLayout>                <TextView        android:id="@+id/tv_conversation_item_content"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="15sp"        android:textColor="#FFFFFF"        android:text="最后一条短信内容fffffffffffffffffffffffffffffffffffffffffffffff"/>   </LinearLayout>     <TextView         android:id="@+id/tv_conversation_item_place"        android:layout_width="90dp"        android:layout_height="wrap_content"        android:textSize="15sp"        android:textColor="#FFFFFF"    android:text="2013-12-12"/></LinearLayout>

第二个详细会话页面的实现

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <LinearLayout        android:id="@+id/ll_talk_title_nouse"        android:layout_width="match_parent"        android:layout_height="50dp"        android:background="@color/title"        android:layout_alignParentTop="true"        android:gravity="center" >        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="@string/title_talk"            android:textColor="#ffffff"            android:textSize="20dp" />    </LinearLayout>    <ListView        android:id="@+id/list"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_below="@id/ll_talk_title_nouse"        android:layout_above="@+id/ll_bottom_talk_nouse"/>    <RelativeLayout        android:id="@+id/ll_bottom_talk_nouse"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:background="@color/title" >        <EditText            android:id="@+id/et_intext"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_alignParentLeft="true"            android:layout_toLeftOf="@+id/bt_talk_send"            android:hint="请输入短信内容"/>        <Button            android:id="@+id/bt_talk_send"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignParentRight="true"            android:text="发送" />    </RelativeLayout></RelativeLayout>

这里需要稍微注意下：我发的消息用蓝色气泡背景显示在右边，别人发过来的信息用白色背景气泡显示在左边（实现这样的效果要根据表中查出来的一个叫 TYPE的字段来区分，type为1的是对方发过来的，type为2的则是我发的）

这样的话毋庸置疑，item也需要使用两种不同的了。至于气泡背景可以随处找一下，csdn中类似实现的博客和资源也有很多，我也是参考了某个博客的，感谢下博主，不过把地址没有留下来，深感抱歉

我发的消息的item

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:layout_marginLeft="10px"    android:gravity="right"    android:orientation="horizontal" >    <LinearLayout        android:id="@+id/layout_bj"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@drawable/outgoing"        android:layout_marginBottom="3dp"        android:orientation="vertical" >        <LinearLayout            android:layout_width="fill_parent"            android:layout_height="22dip"            android:orientation="horizontal" >            <TextView                android:id="@+id/messagedetail_row_name"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:paddingTop="2px"                android:textColor="#000000"                android:textSize="14dip" />            <TextView                android:id="@+id/messagedetail_row_date"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginLeft="60dip"                android:paddingTop="2px"                android:textColor="#000000"                android:textSize="14dip" />        </LinearLayout>        <TextView            android:id="@+id/messagedetail_row_text"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:paddingLeft="2px"            android:textColor="#0000DD"            android:textSize="18dip" />    </LinearLayout></LinearLayout>

发过来的item

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:orientation="horizontal" >    <LinearLayout        android:id="@+id/layout_bj"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@drawable/incoming"        android:layout_marginBottom="3dp"        android:orientation="vertical" >        <LinearLayout            android:layout_width="fill_parent"            android:layout_height="22dip"            android:orientation="horizontal" >            <TextView                android:id="@+id/messagedetail_row_name"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:paddingTop="2px"                android:textColor="#000000"                android:textSize="14dip" />            <TextView                android:id="@+id/messagedetail_row_date"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginLeft="60dip"                android:paddingTop="2px"                android:textColor="#000000"                android:textSize="14dip" />        </LinearLayout>        <TextView            android:id="@+id/messagedetail_row_text"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:paddingLeft="2px"            android:textColor="#0000DD"            android:textSize="18dip" />    </LinearLayout></LinearLayout>

哦了，到上面，界面的框架是搭建出来了。

然后我们来做代码的实现，会话列表界面的activity

package com.xiaoxu.message;import android.app.Activity;import android.content.AsyncQueryHandler;import android.content.ContentResolver;import android.content.Context;import android.content.Intent;import android.database.Cursor;import android.graphics.Bitmap;import android.net.Uri;import android.os.Bundle;import android.provider.ContactsContract.PhoneLookup;import android.text.format.DateFormat;import android.text.format.DateUtils;import android.text.format.Time;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.CursorAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.xiaoxu.message.util.GetHeadImg;public class ConversationActivity extends Activity {private ListView listview;private QueryHandler queryHandler;private ConversationAdapter adapter;private static final int ID_COLUMN_INDEX = 0;private static final int SNIPPET_COLUMN_INDEX = 1;private static final int MSG_COUNT_COLUMN_INDEX = 2;private static final int ADDRESS_COLUMN_INDEX = 3;private static final int DATE_COLUMN_INDEX = 4;//联系人查询的字段信息private static final String[] CONCAT_PROJECTION = new String[]{PhoneLookup._ID,PhoneLookup.DISPLAY_NAME};private static final int DISPLAY_NAME_COLUMN_INDEX = 1;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_conversation);                listview = (ListView) findViewById(R.id.lv_conversation);                adapter = new ConversationAdapter(this, null);        listview.setAdapter(adapter);//        listview.setOnItemClickListener(new OnItemClickListener() {//@Override//public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {//Intent intent = new Intent(ConversationActivity.this,TalkingActivity.class);//intent.putExtra("number", "xxxxx");//startActivity(intent);//}//});        queryHandler = new QueryHandler(getContentResolver());startQuery();    } private static final String[] PROJECTION = new String[]{//cursor 查询 需要_id"sms.thread_id AS _id","sms.body AS snippet","groups.msg_count AS msg_count","sms.address AS address","sms.date AS date"};    //查询短信数据private void startQuery() {/** * 查询会话数据 * token Sql id 查询结果的唯一标识  _ID  * cookie  用来传递数据  通常VIEW * uri 指定查询数据的地址 * projection相当于SQL查询中 select 中的字段   * selection 相当于SQL查询中 where id = ?  * selectionArgs ? * orderBy 排序 */Uri uri = Uri.parse("content://sms/conversations/");queryHandler.startQuery(0, null, uri, PROJECTION, null, null, " date DESC");}//异步查询框架 AsyncQueryHandlerprivate class QueryHandler extends AsyncQueryHandler{public QueryHandler(ContentResolver cr) {super(cr);}@Overrideprotected void onQueryComplete(int token, Object cookie, Cursor cursor) {super.onQueryComplete(token, cookie, cursor);//更新数据(adapter 完成数据更新)adapter.changeCursor(cursor);}}    private class ConversationAdapter extends CursorAdapter{private ViewHolder holder;private long fristSecondOfToday;private GetHeadImg gethead;public ConversationAdapter(Context context, Cursor c) {super(context, c);//今天时间00:00:00Time time = new Time();time.setToNow();time.hour = 0;time.minute = 0;time.second = 0;//精准的时间 false精准的日期  truefristSecondOfToday = time.toMillis(false);gethead = new GetHeadImg(context);}//在adapter第一次适配的时候调用, 加载布局，找到控件@Overridepublic View newView(Context context, Cursor cursor, ViewGroup parent) {View view = View.inflate(getApplicationContext(), R.layout.conversation_item, null);holder = new ViewHolder();holder.header = (ImageView) view.findViewById(R.id.iv_conversation_item_img);holder.tv_address = (TextView) view.findViewById(R.id.tv_conversation_item_name);holder.tv_body = (TextView) view.findViewById(R.id.tv_conversation_item_content);holder.tv_date = (TextView) view.findViewById(R.id.tv_conversation_item_place);view.setTag(holder);return view;}//将数据适配到控件上@Overridepublic void bindView(View view, Context context, Cursor cursor) {//找到控件holder = (ViewHolder) view.getTag();ImageView header = holder.header;TextView tv_address = holder.tv_address;TextView tv_body = holder.tv_body;TextView tv_date = holder.tv_date;//找到数据/**"sms.thread_id AS thread_id","sms.body AS snippet","groups.msg_count AS msg_count","sms.address AS address","sms.date AS date" */final String idStr = cursor.getString(ID_COLUMN_INDEX);String body = cursor.getString(SNIPPET_COLUMN_INDEX);int msg_count = cursor.getInt(MSG_COUNT_COLUMN_INDEX);final String address = cursor.getString(ADDRESS_COLUMN_INDEX);long date = cursor.getLong(DATE_COLUMN_INDEX);//根据电话号码 查询出联系人的信息(名称)String name = null;Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(address));Cursor concatCursor = getContentResolver().query(uri, CONCAT_PROJECTION, null, null, null);if(concatCursor.moveToFirst()){//查询到了联系人name = concatCursor.getString(DISPLAY_NAME_COLUMN_INDEX);}concatCursor.close();//处理短息时间String dateStr = null;if((date - fristSecondOfToday) > 0 && (date - fristSecondOfToday) < DateUtils.DAY_IN_MILLIS){//今天的信息时间dateStr = DateFormat.getTimeFormat(getApplicationContext()).format(date);} else {//日期dateStr = DateFormat.getDateFormat(getApplicationContext()).format(date);}//----------------------------------------//将数据适配到控件上//适配联系人名称、短信的数量if(name != null){//查询到了联系人Bitmap bitmap= gethead.getHeadImage(address);if(bitmap != null ){header.setVisibility(View.VISIBLE);header.setImageBitmap(bitmap);}else{//header.setImageResource(R.drawable.ic_headdefault);header.setVisibility(View.INVISIBLE);}if(msg_count > 1){tv_address.setText(name + "("+ msg_count +")");} else {tv_address.setText(name);}} else {//没有查询到header.setVisibility(View.INVISIBLE);if(msg_count > 1){tv_address.setText(address + "("+ msg_count +")");} else {tv_address.setText(address);}}//设置日期\内容tv_date.setText(dateStr);if(body.length()>8){body = body.substring(0, 8)+"...";}tv_body.setText(body);view.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {Intent intent = new Intent(ConversationActivity.this,TalkingActivity.class);intent.putExtra("number", address);intent.putExtra("thread_id", idStr);startActivity(intent);}});}}private static class ViewHolder {ImageView header;TextView tv_address;TextView tv_body;TextView tv_date;}}

这个使用的是异步查询，如果没有使用过的没有需要花点时间理解一下，使用过的话就简单啦

其中数据库表中是没有联系人的名字的，都是电话号码，那我们需要拿着这个电话号码去联系人数据库查询是否有这个联系人，如果有这个联系人，我们就显示把名字拿过来显示，如果没有就还是显示电话号码。

另外一个就是时间，数据库存储的时间是long类型的，我们拿到数据后需要转化成我们需要的时间，如果是当天发送过来的，那我们是要显示几时几分就行了，但是如果是昨天发过来的，那我们要显示几月几号。一个小算法，在代码里可以自己看一下哦，其他没有什么难点了。

接下来就是详细页面的开发了，我们点击item的时候把id和电话号码（可带可不带，过去后根据id查询数据库也是可以拿到的）都带到下一个activity中。

看看下一个页面的activity的代码吧

package com.xiaoxu.message;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.content.Intent;import android.database.Cursor;import android.database.sqlite.SQLiteException;import android.net.Uri;import android.os.Bundle;import android.text.format.DateFormat;import android.view.WindowManager;import android.widget.ListView;import com.xiaoxu.message.adapter.DetailAdapter;import com.xiaoxu.message.bean.DetailEntity;public class TalkingActivity extends Activity{private ListView talkView;private List<DetailEntity> list = null;public void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);setContentView(R.layout.activity_talk);listInit();}public void listInit(){talkView = (ListView) findViewById(R.id.list);list = new ArrayList<DetailEntity>();//DetailEntity d1 = new DetailEntity("私念", "2010-11-11", "你好!",//R.layout.list_say_me_item);//list.add(d1);//获取到电话号码Intent intent = getIntent();String number = intent.getStringExtra("number");String thread_id = intent.getStringExtra("thread_id");getSmsAndSendBack(thread_id);talkView.setAdapter(new DetailAdapter(TalkingActivity.this, list));// 去掉分割线talkView.setDivider(null);}    public String getSmsAndSendBack(String thread_id)     {        String[] projection = new String[] {          "_id",          "address",          "person",          "body",          "type",         "date"};               StringBuilder str=new StringBuilder();        try{         Cursor myCursor = managedQuery(Uri.parse("content://sms"),           projection,           "thread_id=?", new String[]{thread_id} , "date desc");         str.append(processResults(myCursor));          }        catch (SQLiteException ex)        {         ex.printStackTrace();       }        return str.toString();     }         private StringBuilder processResults(Cursor cur) {        StringBuilder sb=new StringBuilder();        if (cur.moveToFirst()) {                 String name;               String phoneNumber;                     String sms;              int type;                           int nameColumn = cur.getColumnIndex("person");              int phoneColumn = cur.getColumnIndex("address");              int smsColumn = cur.getColumnIndex("body");              int typeColum = cur.getColumnIndex("type");              long date = cur.getLong(5);             String dateStr = DateFormat.getDateFormat(getApplicationContext()).format(date);                         do {                  // Get the field values                   name = cur.getString(nameColumn);                               phoneNumber = cur.getString(phoneColumn);                  sms = cur.getString(smsColumn);                  type = cur.getInt(typeColum);                                   if(type == 1){             DetailEntity d1 = new DetailEntity(name, dateStr, sms,            R.layout.list_say_he_item);            list.add(d1);                              }else{          DetailEntity d1 = new DetailEntity(name, dateStr, sms,        R.layout.list_say_me_item);        list.add(d1);                        }                         System.out.println("name="+name+"type="+type+"phoneNumber="+phoneNumber+"sms="+sms);                  System.out.println("..................................");                  sb.append("{");                  sb.append(name+",");                  sb.append(phoneNumber+",");                  sb.append(sms);                  sb.append("}");                  if (null==sms)                  sms="";              } while (cur.moveToNext());          }          else          {          sb.append("no result!");          }             return sb;         } }

其中 OnCreate()中的

getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);

这句代码起的作用是当我们点击输入框时，让输入框不被弹出的键盘挡住，而是浮到键盘的上方

这里面也有发送短信的功能，上一篇博客已经详细介绍了，直接抄过来就好了

这里需要使用一个适配器

package com.xiaoxu.message.adapter;import java.util.List;import android.app.AlertDialog;import android.content.Context;import android.database.DataSetObserver;import android.view.LayoutInflater;import android.view.MotionEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnLongClickListener;import android.view.View.OnTouchListener;import android.view.ViewGroup;import android.widget.LinearLayout;import android.widget.ListAdapter;import android.widget.TextView;import com.xiaoxu.message.R;import com.xiaoxu.message.bean.DetailEntity;/** * 适配器 *  * @author Administrator *  */public class DetailAdapter implements ListAdapter{private List<DetailEntity> coll;private Context ctx;// 消息DetailEntity entity;LinearLayout layout;// 加载布局LayoutInflater vi;// ------------------------------// 背景LinearLayout layout_bj;TextView tvName;TextView tvDate;TextView tvText;public DetailAdapter(Context context, List<DetailEntity> coll){ctx = context;this.coll = coll;}public boolean areAllItemsEnabled(){return true;}/** * 为true监听Item */public boolean isEnabled(int arg0){return true;}public int getCount(){return coll.size();}public Object getItem(int position){return coll.get(position);}public long getItemId(int position){return position;}public int getItemViewType(int position){return position;}public View getView(int position, View convertView, ViewGroup parent){entity = coll.get(position);int itemLayout = entity.getLayoutID();// 加载布局layout = new LinearLayout(ctx);vi = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);vi.inflate(itemLayout, layout, true);layout.setBackgroundColor(0xffB4B4B4);// 图片背景layout_bj = (LinearLayout) layout.findViewById(R.id.layout_bj);tvName = (TextView) layout.findViewById(R.id.messagedetail_row_name);tvName.setText(entity.getName());tvDate = (TextView) layout.findViewById(R.id.messagedetail_row_date);tvDate.setText(entity.getDate());tvText = (TextView) layout.findViewById(R.id.messagedetail_row_text);tvText.setText(entity.getText());// 添加监听addListener(tvName, tvDate, tvText, layout_bj);return layout;}public int getViewTypeCount(){return coll.size();}public boolean hasStableIds(){return true;}public boolean isEmpty(){return true;}@Overridepublic void registerDataSetObserver(DataSetObserver observer){}@Overridepublic void unregisterDataSetObserver(DataSetObserver observer){}/** * 内容监听 *  * @param convertView */public void addListener(final TextView tvName, final TextView tvDate,final TextView tvText, LinearLayout layout_bj){layout_bj.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View v){}});layout_bj.setOnLongClickListener(new OnLongClickListener(){@Overridepublic boolean onLongClick(View v){tvName.setTextColor(0xffffffff);tvDate.setTextColor(0xffffffff);tvText.setTextColor(0xffffffff);new AlertDialog.Builder(ctx).setTitle("当前是长按操作").setMessage("准备写个菜单").create().show();return true;}});// 按下改变字体颜色layout_bj.setOnTouchListener(new OnTouchListener(){@Overridepublic boolean onTouch(View v, MotionEvent event){switch (event.getAction()){case MotionEvent.ACTION_DOWN:case MotionEvent.ACTION_MOVE:tvName.setTextColor(0xffffffff);tvDate.setTextColor(0xffffffff);tvText.setTextColor(0xffffffff);break;default:tvName.setTextColor(0xff000000);tvDate.setTextColor(0xff000000);tvText.setTextColor(0xff0000ff);break;}return false;}});}}

当然还有一个工具类，根据用户的电话号码去查询头像

package com.xiaoxu.message.util;import java.io.InputStream;import android.content.ContentUris;import android.content.Context;import android.database.Cursor;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.net.Uri;import android.provider.ContactsContract;public class GetHeadImg {private  Context context;@SuppressWarnings("static-access")public GetHeadImg(Context context) {this.context = context;}public  Bitmap getHeadImage(String strPhoneNumber){//通话电话号码获取头像uriUri uriNumber2Contacts = Uri.parse("content://com.android.contacts/"+ "data/phones/filter/" + strPhoneNumber);Cursor cursorCantacts = context.getContentResolver().query(uriNumber2Contacts, null, null,null, null);if (cursorCantacts.getCount() > 0) {//若游标不为0则说明有头像,游标指向第一条记录cursorCantacts.moveToFirst();Long contactID = cursorCantacts.getLong(cursorCantacts.getColumnIndex("contact_id"));Uri uri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, contactID);InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(context.getContentResolver(), uri);return BitmapFactory.decodeStream(input);} else {//么有头像设置默认头像return null;}}}

用到的两个javaBean。这两个之所以最后才放上来是因为这个没有逻辑，不影响我们的理解

（在里面我有些字段目前没有使用，是考虑到以后可能会使用到，所以没有删除）

package com.xiaoxu.message.bean;public class Conversation {private String imgpath;private String name; private String number;//对应canonical 表中的 addressprivate int num;private String content;//对应thread表中snippetprivate long time;  //对应thread表中 dateprivate String city;public String getImgpath() {return imgpath;}public void setImgpath(String imgpath) {this.imgpath = imgpath;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getNum() {return num;}public void setNum(int num) {this.num = num;}public String getContent() {return content;}public void setContent(String content) {this.content = content;}public String getCity() {return city;}public void setCity(String city) {this.city = city;}}

package com.xiaoxu.message.bean;/** * 消息实体类 *  * @author Administrator *  */public class DetailEntity{// 短信联系人private String name;// 短信日期private String date;// 短信内容private String text;// 布局IDprivate int layoutID;public String getName(){return name;}public void setName(String name){this.name = name;}public String getDate(){return date;}public void setDate(String date){this.date = date;}public String getText(){return text;}public void setText(String text){this.text = text;}public int getLayoutID(){return layoutID;}public void setLayoutID(int layoutID){this.layoutID = layoutID;}public DetailEntity(){}public DetailEntity(String name, String date, String text, int layoutID){super();this.name = name;this.date = date;this.text = text;this.layoutID = layoutID;}}

最后，大家是否发现，这个页面和上一个页面都有使用到发送短信，注册广播接收回执，等等一些内容，那我们要对他们进行一下优化，不能在每个页面里都要写的话，那工作量实在就太大了，下一篇博文会介绍下如何去优化

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