title: Android Activity has leaked window
body: <p>What i am trying to do is to get files from server. The same code is running f9 with sdcard but when i get files from thorugh thread then i am getting following error in my logcat.</p>
  
  <p>My code is as follows:</p>
  
  <pre><code>public class Map extends Activity
  {
     //
      private GraphicsView mGLView;
  
      //private GisGLRenderer m_GisRenderer;
  
      final static String RESULT_KEY="result";
      final static int REQ_CODE=1001;
       AlertDialog m=null;
  
  
  
      public class LoadFile  extends AsyncTask&lt;String,String,String&gt;
      {
          ProgressDialog Asycdialog = new ProgressDialog(Map.this);
  
  
          @Override
          protected void onPreExecute() {
              //set message of the dialog
              Asycdialog.setMessage("Loading File");
              Asycdialog.setButton(DialogInterface.BUTTON_NEGATIVE,"Cancel",new DialogInterface.OnClickListener() {
                  @Override
                  public void onClick(DialogInterface dialogInterface, int i) {
                      //To change body of implemented methods use File | Settings | File Templates.
                  }
              });
              //show dialog
              Asycdialog.show();
              super.onPreExecute();
          }
  
          protected void onProgressUpdate(String ... progress)
          {
  
          }
  
          protected String  doInBackground(String ... Params)
          {
              Map.this.mGLView.LoadProjectFile(AppFuncs.g_path);
              Map.this.mGLView.requestRender();
              return null;
          }
          protected void onPostExecute(String result)
          {
              Asycdialog.dismiss();
  
              super.onPostExecute(result);
             }
      }
  
  
  
  
      public void onCreate(Bundle savedInstanceState)
      {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_map);
          mGLView =  (GraphicsView) findViewById(R.id.glview);
  
  
      }
    public void bt_Open(View v)
      {
  
          AlertDialog.Builder builder=new AlertDialog.Builder(this);
          builder.setTitle("Load File");
          builder.setMessage("Choose an option to load file")
                  .setCancelable(false)
                  .setNegativeButton("Server",new DialogInterface.OnClickListener(){
                     public void onClick(DialogInterface dialog,int which)
                     {
                         Intent i= new Intent(Map.this,serv.class);
                         startActivityForResult(i,REQ_CODE);
  
                     }
  
                  }
  
                  )
                  .setPositiveButton("SDcard",new DialogInterface.OnClickListener()
                  {
                      public void onClick(DialogInterface dialog, int which)
                      {
  
                          Intent i= new Intent(Map.this,FileChooser.class);
                          startActivityForResult(i,REQ_CODE);
  
                      }
  
                  }
  
                  );
  
          final AlertDialog a=builder.create();
          a.show();
  
  }
   protected void onActivityResult(int requestCode, int resultCode,Intent data)
      {
          //super.onActivityResult(requestCode,resultCode,data);
          if(requestCode==REQ_CODE)
          {
              if(resultCode==RESULT_OK &amp;&amp; data.getExtras().containsKey(RESULT_KEY))
              {
  
              //    Toast.makeText(this,data.getExtras().getString(RESULT_KEY),Toast.LENGTH_SHORT).show();
             //     this.mGLView.m_SelectedProjectPath =  AppFuncs.path;
  
                  LoadFile f= new LoadFile();
                  f.execute("");
  
  
               //   this.mGLView.LoadProjectFile(AppFuncs.path);
              }
          }
      }
  
  
  
  
  
  
  
  ERROR/WindowManager(20040): Activity idtech.ESDN.Map has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@416a97b0 that was originally added here
          android.view.WindowLeaked: Activity idtech.ESDN.Map has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@416a97b0 that was originally added here
          at android.view.ViewRootImpl.&lt;init&gt;(ViewRootImpl.java:380)
          at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:292)
          at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:224)
          at 
  
  android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:149)
          at android.view.Window$LocalWindowManager.addView(Window.java:547)
          at android.app.Dialog.show(Dialog.java:277)
          at idtech.ESDN.Map$LoadFile.onPreExecute(Map.java:59)
          at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
          at android.os.AsyncTask.execute(AsyncTask.java:534)
          at idtech.ESDN.Map.onActivityResult(Map.java:221)
          at android.app.Activity.dispatchActivityResult(Activity.java:5194)
          at android.app.ActivityThread.deliverResults(ActivityThread.java:3180)
          at android.app.ActivityThread.handleSendResult(ActivityThread.java:3227)
          at android.app.ActivityThread.access$1100(ActivityThread.java:137)
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1258)
          at android.os.Handler.dispatchMessage(Handler.java:99)
          at android.os.Looper.loop(Looper.java:137)
          at android.app.ActivityThread.main(ActivityThread.java:4838)
          at java.lang.reflect.Method.invokeNative(Native Method)
          at java.lang.reflect.Method.invoke(Method.java:511)
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:608)
          at dalvik.system.NativeStart.main(Native Method)
  </code></pre>