Android的E /跟蹤（627）：錯誤打開跟蹤文件：沒有這樣的文件或目錄（2）

Question

我logcat中出現一些錯誤...

E/Trace(627): error opening trace file: No such file or directory (2) 

，然後我不能找到解決辦法幫助我，請。 ps。我試圖設置我的AVD SD卡空間256MB，但它也是相同的錯誤

-----------------我的LogCat -------- ---------

06-24 02:31:13.450: E/Trace(627): error opening trace file: No such file or directory (2) 
06-24 02:31:14.290: D/libEGL(627): loaded /system/lib/egl/libEGL_emulation.so 
06-24 02:31:14.300: D/(627):  HostConnection::get() New Host Connection established  0x2a08fd48, tid 627 
06-24 02:31:14.310: D/libEGL(627): loaded /system/lib/egl/libGLESv1_CM_emulation.so 
06-24 02:31:14.320: D/libEGL(627): loaded /system/lib/egl/libGLESv2_emulation.so 
06-24 02:31:14.390: W/EGL_emulation(627):  eglSurfaceAttrib not implemented 
06-24 02:31:14.400: D/OpenGLRenderer(627): Enabling debug mode 0 

-----------------我的源代碼------------ -----

package com.nathaniel.web_list_20113212_nathaniel; 

import java.io.BufferedInputStream; 
import java.io.BufferedReader; 
import java.io.InputStreamReader; 
import java.net.HttpURLConnection; 
import java.net.URL; 

import android.app.Activity; 
import android.content.Context; 
import android.database.Cursor; 
import android.database.sqlite.SQLiteDatabase; 
import android.graphics.Color; 
import android.os.Bundle; 
import android.util.Log; 
import android.view.Gravity; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.ViewGroup.LayoutParams; 
import android.view.ViewManager; 
import android.widget.Button; 
import android.widget.LinearLayout; 
import android.widget.TextView; 

public class Web_List_Activity extends Activity implements OnClickListener { 
    DBManager dbmgr; 
    SQLiteDatabase sdb; 
    Cursor cur; 
    int list_count; 

    LinearLayout layout_weblist; 
    Button prev_btn; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
    // TODO Auto-generated method stub 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.web_list); 

     layout_weblist = (LinearLayout)findViewById(R.id.weblist_area); 

     dbmgr = new DBManager(this); 
     sdb = dbmgr.getReadableDatabase(); 
     cur = sdb.rawQuery("SELECT * FROM Websites", null); 
     list_count = cur.getCount(); 

     if(list_count < 1) { 
      TextView tv = new TextView(this); 
      tv.setText("등록된 웹사이트가 존재하지 않습니다."); 
      tv.setGravity(Gravity.CENTER); 
      tv.setTextSize(20); 
      layout_weblist.addView(tv); 
     } 
     else if(list_count > 1) { 
      cur.moveToNext(); 

      LinearLayout layout_webcontent = new LinearLayout(this); 
      layout_webcontent.setOrientation(LinearLayout.HORIZONTAL); 
      layout_webcontent.setBackgroundColor(Color.parseColor("#BBDEF8")); 

      /* <Column Line> 
      * wid integer 
      * wname text 
      * waddress text 
      * remark text 
      * hits integer */ 
      String[] column = {String.valueOf(cur.getInt(0)), cur.getString(1), cur.getString(2), cur.getString(3), String.valueOf(cur.getInt(4))}; 
      TextView[] tv_content = new TextView[5]; 

      for(int i = 0; i < 5; i++) { 
       tv_content[i].setGravity(Gravity.CENTER); 
       tv_content[i].setText(column[i]); 

       layout_webcontent.addView(tv_content[i]); 
       layout_webcontent.setId(i); 
       layout_webcontent.setOnClickListener(this); 
      } 

      layout_weblist.addView(layout_webcontent); 
     } 

    } 

    @SuppressWarnings({ "deprecation", "null" }) 
    @Override 
    public void onClick(View v) { 
     // TODO Auto-generated method stub 
     LayoutInflater html_layer; 
     View html_view = null; 

     if(v.getId() != list_count) { 
      html_layer = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
      html_view = html_layer.inflate(R.layout.web_html, null); 
      this.addContentView(html_view, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)); 
      cur.moveToPosition(v.getId()); 

      String waddr = cur.getString(2);  // address 
      TextView tv_html = (TextView)findViewById(R.id.htmlview); 

      URL url = null; 
      HttpURLConnection urlConnection = null; 
      BufferedInputStream buf = null; 

      try { 
       url = new URL(waddr); 
       urlConnection = (HttpURLConnection)url.openConnection(); 

       buf = new BufferedInputStream(urlConnection.getInputStream()); 
       BufferedReader bufreader = new BufferedReader(new InputStreamReader(buf, "utf-8")); 

       String line = null; 
       String page = ""; 

       while((line = bufreader.readLine()) != null) { 
        page += line; 
       } 

      tv_html.setText(page); 
      } 
      catch(Exception e) { 
       Log.i("############", e.getMessage()); 
      } 
      finally { 
       urlConnection.disconnect(); 
      } 
     } 
     else 
      ((ViewManager)html_view.getParent()).removeView(html_view); 
    } 
} 

Answer 1

錯誤消息來自systrace代碼。它表示您的設備不支持systrace跟蹤。你可以忽略它。

Source