android 短信读取程序，为什么string的长度（短信内容）只有一小部分

量化分析 2014-10-08 06:10:16

安卓读取sms内容，直接写入string里面，为什么读取自己手机的短信内容只有一部分？我自己测试的大小是： 182971 (长度)

package com.example.vmplay.readsms;



import android.app.Activity;

import android.database.Cursor;

import android.net.Uri;



import java.util.ArrayList;

import java.util.List;



/**

 * Created by vmplay on 10/8/2014.

 */

public class SMSContent {



    private Activity activity;

    private Uri uri;

    List<smsInfo> info;



    SMSContent(Activity activity,Uri uri)

    {

        info=new ArrayList<smsInfo>();

        this.activity=activity;

        this.uri=uri;

    }



    public List<smsInfo> getSMSInfo()

    {

           String [] projection=new String[]{"_id","address","person","body","date","type"};

        Cursor cursor=activity.managedQuery(uri,projection,null,null,"date desc");

        int nameColumn=cursor.getColumnIndex("person");

        int phoneColumn=cursor.getColumnIndex("address");

        int smsbodyColumn=cursor.getColumnIndex("body");

        int dateColumn=cursor.getColumnIndex("date");

        int typeColumn=cursor.getColumnIndex("type");



        if (cursor!=null)

        {

            while(cursor.moveToNext())

            {

                smsInfo smsinfo=new smsInfo();

                smsinfo.setName(cursor.getString(nameColumn));

                smsinfo.setDate(cursor.getString(dateColumn));

                smsinfo.setPhone(cursor.getString(phoneColumn));

                smsinfo.setBody(cursor.getString(smsbodyColumn));

                smsinfo.setType(cursor.getString(typeColumn));



                info.add(smsinfo);



            }

            cursor.close();

        }



        return info;

    }



}



package com.example.vmplay.readsms;



import android.app.Activity;

import android.net.Uri;

import android.os.Bundle;

import android.util.Log;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.TextView;



import java.util.List;





public class readSMS extends Activity {





    /**

     * 所有的短信

     */

    public static final String SMS_URI_ALL = "content://sms/";

    /**

     * 收件箱短信

     */

    public static final String SMS_URI_INBOX = "content://sms/inbox";

    /**

     * 发件箱短信

     */

    public static final String SMS_URI_SEND = "content://sms/sent";

    /**

     * 草稿箱短信

     */

    public static final String SMS_URI_DRAFT = "content://sms/draft";



    String tag="Rocky_Debug";

    private TextView TV_inbox;

    private String content=new String("a");

    private List<smsInfo> myInfo;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_read_sms);

        TV_inbox=(TextView)findViewById(R.id.smscontent);

        Uri uri= Uri.parse(SMS_URI_ALL);

        SMSContent smscontent=new SMSContent(this,uri);

        myInfo=smscontent.getSMSInfo();



        for(int i=0;i<myInfo.size();i++)

        {

            smsInfo currentSMS=myInfo.get(i);

            content=content+currentSMS.getSmsBody()+"\n";



        }

        //TV_inbox.setText(content);

        Log.d(tag,content);

        int size=content.length();

        Log.d(tag,Integer.toString(size));

    }





    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.read_sm, menu);

        return true;

    }



    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        // Handle action bar item clicks here. The action bar will

        // automatically handle clicks on the Home/Up button, so long

        // as you specify a parent activity in AndroidManifest.xml.

        int id = item.getItemId();

        if (id == R.id.action_settings) {

            return true;

        }

        return super.onOptionsItemSelected(item);

    }

}