Произошла ошибка при выполнении Doinbackground ⇐ Android

[Anonymous]

Произошла ошибка при выполнении doinbackground () < /code>. < /p>

class PostComment extends AsyncTask {

@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(AddComment.this);
pDialog.setMessage("Attempting login...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
//postData("deepika");
}

@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
String post_title = intime.getText().toString();
String post_message = outtime.getText().toString();
SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(AddComment.this);
String post_username = sp.getString("username", "anon");
try {
// Building Parameters
List params = new ArrayList();
params.add(new BasicNameValuePair("username", post_username));
params.add(new BasicNameValuePair("intime", post_title));
params.add(new BasicNameValuePair("outtime", post_message));

Log.d("request!", "starting");
// getting product details by making HTTP request
JSONObject json = jsonParser.makeHttpRequest(POST_COMMENT_URL, "POST",
params);
//JSONObject json1 = jsonParser.makeHttpRequest("http://192.168.10.30/webservice/comments.php", "POST",
// params);
// check your log for json response
Log.d("Login attempt", json.toString());

// json success tag
success = json.getInt(TAG_SUCCESS);
if (success == 1) {

Log.d("Attendence Marked!", json.toString());
//finish();
return json.getString(TAG_MESSAGE);
}else{
Log.d("Attendence Failure!", json.getString(TAG_MESSAGE));
return json.getString(TAG_MESSAGE);

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

return null;

}

protected void onPostExecute(String file_url) {
// dismiss the dialog once product deleted
pDialog.dismiss();
finish();
if (file_url != null) {
Toast.makeText(AddComment.this, file_url, Toast.LENGTH_LONG).show();
}
}
}
< /code>

Это журнал ошибок: < /p>


11-05 05: 03: 20.171: e /androidruntime (3171): фатальное исключение: asynctask #1

11-05 05: 03: 20.17171717: 20.17171717: 20.171717: 20.1717: E /AndroidRuntime (3171): процесс: com.example.mysqltest, pid: 3171

11-05 05: 03: 20.171: E /Androidruntime (3171): java.lang.runtimeexception: ошибка при выполнении DoIinbackground ()

11-1-15. 05: 03: 20.171: e /androidruntime (3171): at android.os.asynctask $ 3. Дану (asynctask.java:300)

11-05 05: 03: 20.171: e /androidruntime (3171): AT java.util.concurrent.futuretask.finishCompletion (futureTask.java:355)

11-05 05: 03: 20.171: e /androidruntim /> 11-05 05: 03: 20.171: e /androidruntime (3171): at java.util.concurrent.futuretask.run (futuretask.java:242)

11-05 05: 03: 20.171: e /androidruntime (3171): Android.os.Asynctask $ serialexecutor $ 1.run (asynctask.java:231)

11-05 05: 03: 20.171: e /androidruntime (3171): at java.util.concurrent.threadpoolexecutor.runworker (ratholexem.jread. />
11-05 05: 03: 20.171: e /androidruntime (3171): at java.util.concurrent.threadpoolexecutor $ keormer.run (threadpoolexecutor.java:587)

11-05 05: 03: 20.171). на java.lang.thread.run (thread.java:841)

11-05 05: 03: 20.171: e /androidruntime (3171): вызван: java.lang.nullpointerexception < /p>
< /blockquote>

Подробнее здесь: https://stackoverflow.com/questions/267 ... background