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POAsyncTask in Fragment v4 not call onPostExecute on 2.2 but call on 2.3 to latest version of android
 

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  1. POAsyncTask in Fragment v4 not call onPostExecute on 2.2 but call on 2.3 to latest version of android
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    <p>I have a problem with Fragment that it doesn't call onPostExecute on 2.2 but call on 2.3 to latest version of android.</p> <p>I tried to find the solution a few days but not found.</p> <p>My code of this fragment</p> <pre><code>public class MovieFragment extends SherlockFragment implements IHomeScreen, OnItemClickListener, IActivity { private FrameLayout loading = null; private ListView listView = null; private ListMovieAdapter listMovieAdapter = null; private boolean isFavorite = false; private boolean isSearch = false; private String strSearch = null; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { super.onCreateView(inflater, container, savedInstanceState); return inflater.inflate(R.layout.fragment_movie, container, false); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { init(view); initObjectListener(); super.onViewCreated(view, savedInstanceState); } @Override public void onActivityCreated(Bundle savedInstanceState) { if (strSearch == null) { loadingDataFromLocal(); } else { loadingDataFromServer(strSearch); } super.onActivityCreated(savedInstanceState); } @Override public void init() { } @Override public void initFormValidation() { } @Override public void init(View v) { listView = (ListView) v.findViewById(R.id.listView); loading = (FrameLayout) v.findViewById(R.id.loading); loading.setVisibility(View.GONE); } @Override public void initObjectListener() { listView.setOnItemClickListener(this); } @Override public void loadingDataFromServer() { } public void loadingDataFromServer(String strSearch) { if (Utils.isOnline(getActivity())) { new LoadingDataFromServer().execute(strSearch); } } public void refreshList(List&lt;EntryVO&gt; entryVOs) { listMovieAdapter = new ListMovieAdapter(getSherlockActivity(), entryVOs, isFavorite); listView.setAdapter(listMovieAdapter); } @Override public void loadingDataFromLocal() { Utils.log(new Exception(), "[isFavorite]" + isFavorite); if (isFavorite) { refreshList(DataSourceDAO.getFavorite(getSherlockActivity())); return; } } @Override public void onItemClick(AdapterView&lt;?&gt; arg0, View arg1, int position, long arg3) { if (Utils.isOnline(getActivity())) { String youtubeID = listMovieAdapter.getItem(position).getYoutubeID(); Utils.log(new Exception(), "[position]" + position + "[youtubeID]" + youtubeID); new YoutubePlayer(getSherlockActivity(), youtubeID); } else { Toast.makeText(getActivity(), R.string.no_internet_connection, Toast.LENGTH_LONG).show(); } } class LoadingDataFromServer extends AsyncTask&lt;String, Void, List&lt;EntryVO&gt;&gt; { @Override protected void onPreExecute() { super.onPreExecute(); Utils.log(new Exception(), "[onPreExecute]"); if (isSearch) { Utils.showProgressDialog(R.string.searching, getSherlockActivity()); } } @Override protected void onPostExecute(List&lt;EntryVO&gt; result) { super.onPostExecute(result); Utils.log(new Exception(), "[onPostExecute]"); Utils.dismissProgressDialog(); refreshList(result); } @Override protected List&lt;EntryVO&gt; doInBackground(String... params) { Utils.log(new Exception(), "[doInBackground]"); String search = params[0]; List&lt;EntryVO&gt; entryVOs = new SearchYoutubeAPI().searchYoutube(search); Utils.log(new Exception(), "[entryVOs]" + entryVOs.size()); return entryVOs; } } </code></pre> <p>}</p> <p>But if I tested it copy </p> <pre><code>class LoadingDataFromServer extends AsyncTask&lt;String, Void, List&lt;EntryVO&gt;&gt; { @Override protected void onPreExecute() { super.onPreExecute(); Utils.log(new Exception(), "[onPreExecute]"); if (isSearch) { Utils.showProgressDialog(R.string.searching, getSherlockActivity()); } } @Override protected void onPostExecute(List&lt;EntryVO&gt; result) { super.onPostExecute(result); Utils.log(new Exception(), "[onPostExecute]"); Utils.dismissProgressDialog(); refreshList(result); } @Override protected List&lt;EntryVO&gt; doInBackground(String... params) { Utils.log(new Exception(), "[doInBackground]"); String search = params[0]; List&lt;EntryVO&gt; entryVOs = new SearchYoutubeAPI().searchYoutube(search); Utils.log(new Exception(), "[entryVOs]" + entryVOs.size()); return entryVOs; } } </code></pre> <p>to run in Activity, it works well with 2.2 also.</p> <p>Could you please tell me what's wrong with my code.......</p> <p>Thanks so much,</p>
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    1. USsonida
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      1. POAsyncTask in Fragment v4 not call onPostExecute on 2.2 but call on 2.3 to latest version of android
      1. USsonida
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    1. COHaven't checked your code, but with these issues, it's usually because you need to create and execute the AsyncTask on the UI thread.
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      1. USMichell Bak
    2. COI changed the method like below public void loadingDataFromServer(final String strSearch) { if (Utils.isOnline(getActivity())) { getSherlockActivity().runOnUiThread(new Runnable() { public void run() { new LoadingDataFromServer().execute(strSearch); } }); } } but it's still the same..... :(
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      1. POAsyncTask in Fragment v4 not call onPostExecute on 2.2 but call on 2.3 to latest version of android
      1. USsonida
 

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