android 浏览普通彩信列表demo 核心源码

Activity 内容：

 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;

import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts;

import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * @author mpqi  2012 
 */
@SuppressWarnings("deprecation")
public class SmsPage extends Activity{
    private final String TAG="SmsPage"; 
    
    private final Uri CONTENT_URI = Uri.parse("content://mms/inbox"); //查询彩信收件箱
    
    private final Uri CONTENT_URI_PART = Uri.parse("content://mms/part"); //彩信附件表
    
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        LinearLayout linearLayout = (LinearLayout) findViewById(R.id.content1);
		
	    Cursor cursor = getContentResolver().query(CONTENT_URI, null, null,null, null);
	    
	    String name = "";
	    while (cursor.moveToNext()) {
	    	
	    	LinearLayout view = (LinearLayout) View.inflate(this, R.layout.smsitem_mms, null);
	    	
            TextView address = (TextView)view.findViewById(R.id.sms_address);
            TextView body = (TextView)view.findViewById(R.id.sms_body);
            TextView date = (TextView)view.findViewById(R.id.sms_date);
            TextView sub = (TextView)view.findViewById(R.id.sms_sub);
            ImageView image = (ImageView)view.findViewById(R.id.sms_image);

            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date time=new Date(cursor.getLong(cursor.getColumnIndex("date"))*1000);//彩信时间
            int id = cursor.getInt(cursor.getColumnIndex("_id"));//彩信Id
            String subject = cursor.getString(cursor.getColumnIndex("sub"));//彩信主题
            Cursor cAdd =null;
            Cursor cPhones=null;
            Cursor cPeople=null;
            Cursor cPart=null;
            try {
                //根据彩信id从addr表中查出发送人电话号码，其中外键msg_id映射pdu表的id；
                String selectionAdd = new String("msg_id=" + id );
                Uri uriAddr = Uri.parse("content://mms/" + id + "/addr");
                cAdd = getContentResolver().query(uriAddr, null, selectionAdd, null, null);
                
                //根据addr表中的电话号码在phones表中查出PERSON_ID,外键PERSON_ID映射people表中的_id
                if(cAdd.moveToFirst()){//该处会得到2条记录，第一条记录为发件人号码，第二条为本机号码
                    String number= cAdd.getString(cAdd.getColumnIndex("address"));
                    cPhones = getContentResolver().query(Contacts.Phones.CONTENT_URI, new String[]{Contacts.Phones.PERSON_ID},Contacts.Phones.NUMBER +"=?",new String[]{number}, null);
                    if(cPhones.getCount()>0){//根据phones表中的PERSON_ID查出 people 表中联系人的名字
                        while (cPhones.moveToNext()) {
                            String pId = cPhones.getString(cPhones.getColumnIndex(Contacts.Phones.PERSON_ID));
                            Uri uriPeo = Uri.parse(Contacts.People.CONTENT_URI+"/"+pId);
                            cPeople = getContentResolver().query(uriPeo, null,null,null, null);
                            if(cPeople.getCount()>0){
                                String str="";
                                while (cPeople.moveToNext()) {
                                    if(str == ""){
                                        str = cPeople.getString(cPeople.getColumnIndex(Contacts.People.DISPLAY_NAME));
                                    }else{
                                        str += ","+cPeople.getString(cPeople.getColumnIndex(Contacts.People.DISPLAY_NAME));
                                    }
                                }
                                name=number+"/"+str;//如果通讯录中存在，则以 ‘电话号码/名字’ 形式显示
                            }else{
                                name=number;//如果是陌生人直接显示电话号码
                            }
                        }
                    }else{
                        name=number;//如果是陌生人直接显示电话号码
                    }    
                }
                
                //根据彩信ID查询彩信的附件
                String selectionPart = new String("mid="+id);//part表中的mid外键为pdu表中的_id
                cPart = getContentResolver().query(CONTENT_URI_PART, null,selectionPart,null, null);            
                String bodyStr="";
                String[] coloumns = null; 
                String[] values = null; 
                while(cPart.moveToNext()){ 
                    coloumns = cPart.getColumnNames(); 
                    if(values == null) 
                        values = new String[coloumns.length]; 
                    for(int i=0; i< cPart.getColumnCount(); i++){ 
                        values[i] = cPart.getString(i); 
                    } 
                    if(values[3].equals("image/jpeg") || values[3].equals("image/bmp") || values[3].equals("image/gif") || values[3].equals("image/jpg") || values[3].equals("image/png")){  //判断附件类型
                        image.setImageBitmap(getMmsImage(values[0]));//该处只会显示一张图片，如果有需求的朋友可以根据自己的需求将ImageView换成Gallery，修改一下方法
                        image.setVisibility(View.VISIBLE);
                    }else if(values[3].equals("text/plain")){
                        /**该处详细描述一下
                        *发现一个版本问题，之前用的2.1版本的多台手机测试通过，结果用1.6的G2报异常
                        *经过调试发现，1.6版本part表中根本就没有"text"列，也就是values[13],所以就
                        *报错了，好像在1.6版本（我只测过G2，嘿嘿），就算是文本信息也是以一个附件形
                        *式存在_date里面也就是values[12]里面，与图片类似，但在2.1里面却不是这样存
                        *的，文本信息被存在了"text"这个字段中，且"_date"为null*/

                        if(values[12]!=null){//所以该处需判断一下，如果_date为null，可直接设置内容为"text"
                            bodyStr=getMmsText(values[0]);
                        }else{
                            bodyStr = values[13];                        	
                        }
                    }
                }
                if(!"".equals(subject) && subject != null){
                    try {
                        sub.setText(new String(subject.getBytes("iso-8859-1"),"UTF-8"));//设置彩信主题的编码格式
                    } catch (UnsupportedEncodingException e) {
                        e.printStackTrace();
                    }
                }
                if(!"".equals(bodyStr)){
                    body.setText(bodyStr);
                }
                address.setText(name); 
                date.setText(format.format(time));
            } catch (RuntimeException e) {
                Log.e(TAG, e.getMessage());
            }finally{
                if(cAdd != null){
                    cAdd.close();
                }
                if(cPart != null){
                    cPart.close();
                }
                if(cPeople != null){
                    cPeople.close();
                }
                if(cPhones != null){
                    cPhones.close();
                }
            }
           
            linearLayout.addView(view);
	    	
	    }
	    
	    
    }
    
    
    private String getMmsText(String _id){ //读取文本附件
        Uri partURI = Uri.parse("content://mms/part/" + _id ); 
        InputStream is = null; 
        StringBuilder sb = new StringBuilder();
        try { 
            is = getContentResolver().openInputStream(partURI); 
            if(is!=null){
                BufferedReader reader = new BufferedReader(new InputStreamReader(is,"UTF-8"));
                String temp = reader.readLine();
                while (temp != null) {
                    sb.append(temp);
                    temp=reader.readLine();//在网上看到很多把InputStream转成string的文章，没有这关键的一句，几乎千遍一律的复制粘贴，该处如果不加上这句的话是会内存溢出的
                }
            }
        }catch (IOException e) { 
            e.printStackTrace();  
            Log.v(TAG, "读取附件异常"+e.getMessage());
        }finally{ 
            if (is != null){ 
                try { 
                    is.close(); 
                }catch (IOException e){
                    Log.v(TAG, "读取附件异常"+e.getMessage());
                }
            } 
        }
        return sb.toString();
    }
    
    private Bitmap getMmsImage(String _id){ //读取图片附件
        Uri partURI = Uri.parse("content://mms/part/" + _id ); 
        //ByteArrayOutputStream baos = new ByteArrayOutputStream(); 
        InputStream is = null; 
        Bitmap bitmap=null;
        try { 
            is = getContentResolver().openInputStream(partURI); 
            //byte[] buffer = new byte[256];  
            //int len = -1;
            //while ((len = is.read(buffer)) != -1) {
            //    baos.write(buffer, 0, len);
            //}
            //bitmap = BitmapFactory.decodeByteArray(baos.toByteArray(), 0, baos.toByteArray().length);
            bitmap = BitmapFactory.decodeStream(is);
        }catch (IOException e) { 
            e.printStackTrace();  
            Log.v(TAG, "读取图片异常"+e.getMessage());
        }finally{ 
            if (is != null){ 
                try { 
                    is.close(); 
                }catch (IOException e){
                    Log.v(TAG, "读取图片异常"+e.getMessage());
                }
            } 
        }
        return bitmap;
    }
}

 

 

xml布局文件见附件哦~ ^ ^