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~ ^ ^
更多相关文章

随机推荐
