title: Android AsyncTask PostExecute
body: <p>i use AsyncTask inside a function 
  How to return a value when Async Finish Execution , since i cant use PostExecute method here</p>
  
  <pre><code>AsyncTask.execute(new Runnable() {
              public void run() {}}
  </code></pre>
  
  <p>Heres The Code.
  I need to retrieve values from SpinnerList to use em on the main thread.
  But usually i get null values whenever i ask for data , because it didnt return the values yet.   </p>
  
  <pre><code>AsyncTask.execute(new Runnable() {
              public void run() {
                  try{
                      String fql = "SELECT uid, name FROM user WHERE is_app_user  AND uid IN (SELECT uid2 FROM friend WHERE uid1 = me())";
                      Bundle parameters = new Bundle();
  
                      parameters.putString("query", fql);
                      parameters.putString("method", "fql.query");
                      parameters.putString("access_token",  fb.getAccessToken());
                      String Response = fb.request(parameters);
                      JSONArray json = new JSONArray(Response);
                      list = new ArrayList&lt;String[][]&gt;();
                      String[][] friendsToList = new String[1][2];
                      SpinnerList = new ArrayList&lt;String&gt;();
                      String TempToSpinnerList=new String();
                      for(int i = 0; i &lt; json.length(); ++i){
                          friendsToList[0][0] = json.getJSONObject(i).getString("uid");
                          friendsToList[0][1] = json.getJSONObject(i).getString("name");
                          TempToSpinnerList= friendsToList[0][1];
                              list.add(friendsToList);
                              SpinnerList.add(TempToSpinnerList);
                              Log.e("Test"," "+friendsToList[0][1]+" "+friendsToList[0][0]);
                          }
  
  
                          //dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                          //spinner.setAdapter(dataAdapter);
  
  
  
      /*  jsonUser = fb.request(parameters);
          friendObj = Util.parseJson(jsonUser);
  
          friendArray = friendObj.getJSONArray("data");
  
          //
          friendlist = new ArrayList&lt;String[][]&gt;();
          String[][] friendsToList = new String[1][2];
          int friendCount = 0;
          String fId, fNm;
          JSONObject friend;
          for (int i = 0;i&lt;friendArray.length();i++){
              //Get a JSONObject from the JSONArray
              friend = friendArray.getJSONObject(i);
              //Extract the strings from the JSONObject
             friendsToList[0][0] = friend.getString("id");
              friendsToList[0][1] = friend.getString("name");
              friendlist.add(friendsToList);
              //Set the values to our arrays
           Log.e("Tester",""+ friendsToList[0][0]+" "+ friendsToList[0][1]);
              friendCount ++;}*/
              }
                  catch (MalformedURLException e) {
                      // TODO Auto-generated catch block
                      e.printStackTrace();
                  } catch (IOException e) {
                      // TODO Auto-generated catch block
                      e.printStackTrace();
                  } catch (FacebookError e) {
                      // TODO Auto-generated catch block
                      e.printStackTrace();
                  } catch (JSONException e) {
                      // TODO Auto-generated catch block
                      e.printStackTrace();
                  }   
              }});
  </code></pre>