Android的錯誤

Question

我有一個名爲ShareId的對話片段和一個名爲 SendMapDataService.When服務，我叫從ShareId 遇到錯誤不能內螺紋創建處理程序SendMapDataService「不能內螺紋已不叫looper.prepare創建處理程序」已經不叫 looper.prepare ....

ShareId

package dialog; 

    import com.rosaloves.bitlyj.Url; 
    import static com.rosaloves.bitlyj.Bitly.*; 

    import java.util.Calendar; 

    import updatedata.GPSTracker; 
    import updatedata.SendMapDataService; 

    import com.example.map.LocationSendActivity; 
    import com.example.map.R; 

    import android.app.ProgressDialog; 
    import android.content.Intent; 
    import android.net.Uri; 
    import android.os.AsyncTask; 
    import android.os.Bundle; 
    import android.support.v4.app.DialogFragment; 
    import android.util.Log; 
    import android.view.LayoutInflater; 
    import android.view.View; 
    import android.view.ViewGroup; 
    import android.widget.Button; 
    import android.widget.EditText; 
    import android.widget.Toast; 

    public class ShareId extends DialogFragment { 
     Button ok,cancel; 
     public static EditText et; 
     private double latt,lngt; 
     public static String sid,lat,lng,time; 
     ProgressDialog pDialog; 
     GPSTracker gps; 

     public void onCreate(Bundle savedInstanceState){ 
      super.onCreate(savedInstanceState); 
     } 

     public View onCreateView(LayoutInflater inflater, ViewGroup container, 
       Bundle savedInstanceState) { 
      View V = inflater.inflate(R.layout.shareid, container, false); 
      ok=(Button)V.findViewById(R.id.button1); 
      cancel=(Button)V.findViewById(R.id.button2); 
      et=(EditText)V.findViewById(R.id.editText1); 
      getDialog().setTitle("Enter Share_id"); 

      ok.setOnClickListener(new View.OnClickListener() { 

       @Override 
       public void onClick(View v) { 
        // TODO Auto-generated method stub 
       sid=et.getText().toString(); 
       if(sid.length() == 0){ 
        Toast.makeText(getActivity(),"Please enter share_id",Toast.LENGTH_SHORT).show(); 
       }else{ 
        new ShareTask().execute(); 
        } 
       } 
      }); 

      cancel.setOnClickListener(new View.OnClickListener() { 

       @Override 
       public void onClick(View v) { 
        // TODO Auto-generated method stub 
        getDialog().dismiss(); 
       } 
      }); 
     return V;  
     } 

     class ShareTask extends AsyncTask<String, String, String>{ 

       StringBuffer sbf2=new StringBuffer(); 
       boolean b=false; 
       int ch; 
       protected void onPreExecute() { 
        super.onPreExecute(); 
        pDialog = new ProgressDialog(getActivity()); 
        pDialog.setMessage("Loading Application. Please wait..."); 
        pDialog.setIndeterminate(false); 
        pDialog.setCancelable(false); 
        pDialog.show(); 
       } 
       @Override 
       protected String doInBackground(String... params) { 
        // TODO Auto-generated method stub 

        // Create download Url 
        Url url = as("adeveloper962", "R_38e071119c3048db892f3aca82b03392") 
          .call(shorten("http://map.rhaasoft.net//locationfile/download.php")); 
        String ul = url.getShortUrl(); 
        sbf2.append("Click for download LocationMapping file"+" "+ul+"\n"); 
        //Create location Url 
        gps = new GPSTracker(getActivity()); 
        if(gps.canGetLocation()){ 
         Log.e("Shareid", "hello"); 
          b=true; 
          //get Time 
          time= java.text.DateFormat.getDateTimeInstance().format(Calendar.getInstance().getTime()); 
          //get latitude longitude 
          latt = gps.getLatitude(); 
          lat=String.valueOf(latt); 
          lngt= gps.getLongitude(); 
          lng=String.valueOf(lngt); 
          //add link 
          Uri.Builder ur=Uri.parse("http://myapp.com/?").buildUpon(); 
          ur.appendQueryParameter("la", lat); 
          ur.appendQueryParameter("ln", lng); 
          ur.appendQueryParameter("ti", time); 
          ur.appendQueryParameter("id", sid); 
          ur.build(); 
          //shorting url 
          Url url1 = as("adeveloper962", "R_38e071119c3048db892f3aca82b03392") 
            .call(shorten(ur.toString())); 
          String ul1 = url1.getShortUrl(); 
          //append 
          sbf2.append("Click for show location"+" "+ul1); 
         }else{ 
          b=false; 
         } 
        return null; 
       } 

       protected void onPostExecute(String file_url) { 
        pDialog.dismiss(); 
        getActivity().runOnUiThread(new Runnable() { 
         public void run() { 
          if(b == true){ 
           getDialog().dismiss(); 
           Intent intent = new Intent(Intent.ACTION_SEND); 
           intent.setType("text/plain"); 
           intent.putExtra(Intent.EXTRA_SUBJECT, "Location Shareing"); 
           intent.putExtra(Intent.EXTRA_TEXT, sbf2.toString()); 
           startActivity(Intent.createChooser(intent, "Select Application for share")); 

           //Send continue data 
           ch=LocationSendActivity.state; 
           if(ch == 0 || ch ==1){ 
            LocationSendActivity.i=1; 
            LocationSendActivity.u_id=sid; 
            getActivity().startService(new Intent(getActivity(),SendMapDataService.class)); 
           }else{ 
            LocationSendActivity.i=0; 
            getActivity().stopService(new Intent(getActivity(),SendMapDataService.class)); 
           } 
          }else{ 
           getDialog().dismiss(); 
           gps.showSettingsAlert(); 
          } 
         } 
        }); 
       } 

      } 

} 

SendMapDataService ..

package updatedata; 

import java.util.Calendar; 

import org.json.JSONException; 
import org.json.JSONObject; 

import com.example.map.FunctionCall; 
import com.example.map.LocationSendActivity; 

import android.app.Service; 
import android.content.Intent; 
import android.os.AsyncTask; 
import android.os.Handler; 
import android.os.IBinder; 
import android.os.Looper; 
import android.util.Log; 
import android.widget.Toast; 

public class SendMapDataService extends Service { 
    private Handler handler; 
    private String id1,lat1,lng1,time1; 
    private double lat,lng; 
    GPSTracker gps; 
    private long total,val,min; 


    @Override 
    public IBinder onBind(Intent intent) { 
     // TODO Auto-generated method stub 
     gps=new GPSTracker(getApplicationContext()); 
     return null; 
    } 

    public int onStartCommand(Intent intent, int flags, int startId) { 

     id1=LocationSendActivity.u_id; 
     // Log.e("Myid", String.valueOf(LocationSendActivity.u_id)); 

     // get time from time interval 
     if(min == 1){ 
     val=15;  
     }else if(min == 2){ 
     val=30;  
     }else if(min == 3){ 
     val=60;  
     }else if(min == 4){ 
     val=5*60; 
     }else if(min == 5){ 
     val=10*60; 
     } 
     else{ 
      val=15;  
      } 
     total=(long) (val*1000); 
     // Log.e("Seconds", String.valueOf(total)); 

     // Start handler 
     handler=new Handler(); 
     handler.postDelayed(runn, 1000); 
     // Looper.loop(); 

     return START_STICKY; 
     } 

    Runnable runn = new Runnable() { 
      @Override 
      public void run() { 
       gps=new GPSTracker(getApplicationContext()); 
       if(gps.canGetLocation()){ 
       lat = gps.getLatitude(); 
       lng = gps.getLongitude(); 
       time1=java.text.DateFormat.getDateTimeInstance().format(Calendar.getInstance().getTime()); 
       lat1=String.valueOf(lat); 
       lng1=String.valueOf(lng); 

       new SendUpdatedData(id1,lat1,lng1,time1).execute(); 
       handler.postDelayed(this, total); 
       }else{ 
        gps.showSettingsAlert(); 
       } 
      } 
     }; 

    public void onDestroy() { 
     super.onDestroy(); 
     handler.removeCallbacks(runn,null); 
     Toast.makeText(this, "Data Send Service Destroyed", Toast.LENGTH_LONG).show(); 
    } 


    class SendUpdatedData extends AsyncTask<String, String, String>{ 
     String id2,lat2,lng2,time2; 
     int success,val,update; 

     public SendUpdatedData(String id, String lat,String lng,String time) { 
      // TODO Auto-generated constructor stub 
      this.id2=id; 
      this.lat2=lat; 
      this.lng2=lng; 
      this.time2=time; 
     } 

     protected void onPreExecute(){ 
      super.onPreExecute(); 
     } 

     @Override 
     protected String doInBackground(String... params) { 
      // TODO Auto-generated method stub 
      FunctionCall fc=new FunctionCall(); 
      JSONObject jo=fc.sendUpdateData(id2,lat2,lng2,time2); 
      try{ 
       success=jo.getInt("success"); 
       update=jo.getInt("update"); 

      }catch(JSONException e){ 
       e.printStackTrace(); 
      } 
      return null; 
     } 

     protected void onPostExecute(String file_url){ 

      if (success==1){ 
       if(update == 1){ 
        Toast.makeText(getApplication(),"Data Updated", Toast.LENGTH_SHORT).show(); 
       }else{ 
        Toast.makeText(getApplication(),"New Data Inserted", Toast.LENGTH_SHORT).show(); 
       } 
      } 
      else{ 
       Toast.makeText(getApplication(),"Data Not Send", Toast.LENGTH_SHORT).show(); 
      } 

     } 

    } 


} 

logcat的....

02-06 12:16:43.740: W/System.err(15622): java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare() 
02-06 12:16:43.740: W/System.err(15622): at android.os.Handler.<init>(Handler.java:121) 
02-06 12:16:43.740: W/System.err(15622): at android.location.LocationManager$ListenerTransport$1.<init>(LocationManager.java:137) 
02-06 12:16:43.750: W/System.err(15622): at android.location.LocationManager$ListenerTransport.<init>(LocationManager.java:137) 
02-06 12:16:43.750: W/System.err(15622): at android.location.LocationManager._requestLocationUpdates(LocationManager.java:708) 
02-06 12:16:43.750: W/System.err(15622): at android.location.LocationManager.requestLocationUpdates(LocationManager.java:630) 
02-06 12:16:43.750: W/System.err(15622): at updatedata.GPSTracker.getLocation(GPSTracker.java:65) 
02-06 12:16:43.750: W/System.err(15622): at updatedata.GPSTracker.<init>(GPSTracker.java:44) 
02-06 12:16:43.750: W/System.err(15622): at dialog.ShareId$ShareTask.doInBackground(ShareId.java:96) 
02-06 12:16:43.750: W/System.err(15622): at dialog.ShareId$ShareTask.doInBackground(ShareId.java:1) 
02-06 12:16:43.750: W/System.err(15622): at android.os.AsyncTask$2.call(AsyncTask.java:185) 
02-06 12:16:43.750: W/System.err(15622): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 
02-06 12:16:43.750: W/System.err(15622): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 
02-06 12:16:43.750: W/System.err(15622): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068) 
02-06 12:16:43.750: W/System.err(15622): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561) 
02-06 12:16:43.750: W/System.err(15622): at java.lang.Thread.run(Thread.java:1096) 

Answer 1

提問前只要打電話Looper.prepare();您得到異常的行以上..