Android总是抛出超时异常

我正在使用本地服务器（wamp）编写一个Android应用程序，一切正常。现在我已经把我的数据库在线和android开始抛出超时异常（到任何地址）。我试图改变时间，但没有帮助。Android总是抛出超时异常

我可以通过浏览器访问服务器。

import android.app.Activity; 
import android.content.Context; 
import android.os.AsyncTask; 
import android.os.Bundle; 
import android.util.Log; 
import android.view.Menu; 
import android.widget.TextView; 
import android.widget.Toast; 

import org.json.JSONArray; 

import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.net.HttpURLConnection; 
import java.net.MalformedURLException; 
import java.net.URL; 
import java.util.List; 
import java.util.logging.Logger; 

public class MainActivity extends Activity { 
    JSONArray json1; 
    TextView txt; 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 

     txt=(TextView) findViewById(R.id.text); 
      test ts=new test(getApplicationContext()); 
     ts.setcityspinner(); 
     } 


    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     // Inflate the menu; this adds items to the action bar if it is present. 
     getMenuInflater().inflate(R.menu.main, menu); 
     return true; 
    } 
    public class test { 


     Context cnt; 

     public test(Context c) { 
      // TODO Auto-generated constructor stub 
      cnt=c; 
     } 

     public void setcityspinner() 
     { 
      //spin=sp; 
      LoadList ll=new LoadList(); 
      ll.execute("http://smartmope.kz/php/get_all_cities.php"); 

     } 

     public class LoadList extends AsyncTask<String, String, String> 
     { 
      @Override 
      protected String doInBackground(String... params) { 
       // TODO Auto-generated method stub 
       try { 

        URL u = new URL(params[0]); 
        HttpURLConnection c = (HttpURLConnection) u.openConnection(); 
        c.setRequestMethod("GET"); 
        c.setRequestProperty("Content-length", "0"); 
        c.setUseCaches(false); 
        c.setAllowUserInteraction(false); 
        c.setConnectTimeout(20000); 
        c.setReadTimeout(20000); 
        c.connect(); 
        int status = c.getResponseCode(); 
        publishProgress(" "+status); 
        // Toast.makeText(cnt, " "+status, Toast.LENGTH_LONG).show(); 
        switch (status) { 
         case 200: 
         case 201: 
          BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream())); 
          StringBuilder sb = new StringBuilder(); 
          String line; 
          while ((line = br.readLine()) != null) { 
           sb.append(line+"\n"); 
          } 
          br.close(); 
          publishProgress(sb.toString()); 
          return sb.toString(); 
        } 

       } catch (MalformedURLException ex) { 

        //txt.setText(ex.toString()); 
        Log.d("mylog", ex.toString()); 
        publishProgress(ex.toString()); 
        //Toast.makeText(cnt, ex.toString(), Toast.LENGTH_LONG).show(); 
       } catch (IOException ex) { 
        // txt.setText(ex.toString()); 
        publishProgress(ex.toString()); 
        Log.d("mylog", ex.toString()); 
        // Toast.makeText(cnt, ex.toString(), Toast.LENGTH_LONG).show(); 
       } 
       return null; 
      } 
      @Override 
      protected void onProgressUpdate(String... values) { 
       // TODO Auto-generated method stub 
       super.onProgressUpdate(values); 
       Toast.makeText(cnt, values[0], Toast.LENGTH_LONG).show(); 
      } 
      @Override 
      protected void onPostExecute(String result) { 
       // TODO Auto-generated method stub 
       // Toast.makeText(cnt, result, Toast.LENGTH_LONG).show(); 
       if (result!=null){ 
       txt.setText(result.toString()); 
       } 
       super.onPostExecute(result); 

      } 

     } 



    } 
}

来源

2013-11-21 asakryukin

可能是您的本地wamp未配置为从远程服务器加载数据。

来源

2013-11-21 10:27:17

我不再使用wamp了，一切都在线 – asakryukin

尝试ping服务器 –

增加setConnectTimeout值。或删除时间连接一次，并尝试执行也许它会对你有所帮助

来源

2013-11-21 11:10:48 honey

Android总是抛出超时异常

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