-1
AsynTask에 문제가있어서 무엇을 해야할지 모르겠다 ... 다른 클래스와 같은 것을했는데 제대로 작동하는 것 같습니다! 하지만 난이는 로그 캣입니다 내가 이해하지 못하는 오류, .....asyncTask 오류
을 얻고,이 엉 :
05-28 22:48:09.271: W/System.err(28530): java.util.concurrent.ExecutionException: java.lang.NullPointerException
05-28 22:48:09.271: W/System.err(28530): at java.util.concurrent.FutureTask.report(FutureTask.java:94)
05-28 22:48:09.271: W/dalvikvm(28530): threadid=11: thread exiting with uncaught exception (group=0x41f6dac8)
05-28 22:48:09.271: W/System.err(28530): at java.util.concurrent.FutureTask.get(FutureTask.java:160)
05-28 22:48:09.271: W/System.err(28530): at android.os.AsyncTask.get(AsyncTask.java:482)
05-28 22:48:09.271: W/System.err(28530): at com.example.basicmaponline.Entidade.onCreate(Entidade.java:46)
05-28 22:48:09.271: W/System.err(28530): at android.app.Activity.performCreate(Activity.java:5250)
05-28 22:48:09.271: W/System.err(28530): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1097)
05-28 22:48:09.271: W/System.err(28530): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2210)
05-28 22:48:09.271: W/System.err(28530): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2296)
05-28 22:48:09.271: W/System.err(28530): at android.app.ActivityThread.access$700(ActivityThread.java:151)
05-28 22:48:09.271: W/System.err(28530): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1281)
05-28 22:48:09.271: W/System.err(28530): at android.os.Handler.dispatchMessage(Handler.java:99)
05-28 22:48:09.271: W/System.err(28530): at android.os.Looper.loop(Looper.java:137)
05-28 22:48:09.271: W/System.err(28530): at android.app.ActivityThread.main(ActivityThread.java:5293)
05-28 22:48:09.271: W/System.err(28530): at java.lang.reflect.Method.invokeNative(Native Method)
05-28 22:48:09.271: W/System.err(28530): at java.lang.reflect.Method.invoke(Method.java:511)
05-28 22:48:09.271: W/System.err(28530): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
05-28 22:48:09.271: W/System.err(28530): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
05-28 22:48:09.271: W/System.err(28530): at dalvik.system.NativeStart.main(Native Method)
05-28 22:48:09.271: W/System.err(28530): Caused by: java.lang.NullPointerException
05-28 22:48:09.271: W/System.err(28530): at com.mlab.android.basicoverlays.PostgreSQL.getEntidade(PostgreSQL.java:114)
05-28 22:48:09.271: W/System.err(28530): at com.example.basicmaponline.Entidade$loadDatabase.doInBackground(Entidade.java:175)
05-28 22:48:09.271: W/System.err(28530): at com.example.basicmaponline.Entidade$loadDatabase.doInBackground(Entidade.java:1)
05-28 22:48:09.271: W/System.err(28530): at android.os.AsyncTask$2.call(AsyncTask.java:287)
05-28 22:48:09.271: W/System.err(28530): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
05-28 22:48:09.271: W/System.err(28530): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
05-28 22:48:09.271: W/System.err(28530): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
05-28 22:48:09.271: W/System.err(28530): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
05-28 22:48:09.271: W/System.err(28530): at java.lang.Thread.run(Thread.java:856)
05-28 22:48:09.281: E/AndroidRuntime(28530): FATAL EXCEPTION: AsyncTask #1
05-28 22:48:09.281: E/AndroidRuntime(28530): java.lang.RuntimeException: An error occured while executing doInBackground()
05-28 22:48:09.281: E/AndroidRuntime(28530): at android.os.AsyncTask$3.done(AsyncTask.java:299)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
05-28 22:48:09.281: E/AndroidRuntime(28530): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.lang.Thread.run(Thread.java:856)
05-28 22:48:09.281: E/AndroidRuntime(28530): Caused by: java.lang.NullPointerException
05-28 22:48:09.281: E/AndroidRuntime(28530): at com.mlab.android.basicoverlays.PostgreSQL.getEntidade(PostgreSQL.java:114)
05-28 22:48:09.281: E/AndroidRuntime(28530): at com.example.basicmaponline.Entidade$loadDatabase.doInBackground(Entidade.java:175)
05-28 22:48:09.281: E/AndroidRuntime(28530): at com.example.basicmaponline.Entidade$loadDatabase.doInBackground(Entidade.java:1)
05-28 22:48:09.281: E/AndroidRuntime(28530): at android.os.AsyncTask$2.call(AsyncTask.java:287)
05-28 22:48:09.281: E/AndroidRuntime(28530): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
05-28 22:48:09.281: E/AndroidRuntime(28530): ... 4 more
을 그리고 이것은 내 코드, 오류가 온다 .. .
package com.example.basicmaponline;
import java.sql.SQLException;
import java.util.ArrayList;
import android.app.ActionBar;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import com.mlab.android.basicoverlays.PostgreSQL;
import com.mlab.android.basicoverlays.SQLbalcao;
import com.mlab.android.basicoverlays.SQLloja;
public class Balcoes extends ListActivity{
ArrayList<SQLbalcao> listaBalcao;
String[] lista;
SQLloja loja;
ProgressDialog progressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
//Action Bar is the bar on the top of each activity !
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
Intent intent = getIntent();
loja = (SQLloja) intent.getSerializableExtra("loja");
if(listaBalcao == null){
new loadDatabase().execute();
}
/*lista = new String[listaBalcao.size()];
int i = 0;
for(SQLbalcao balcao : listaBalcao){
lista[i++] = balcao.getNome_entidade();
}
setListAdapter(new ArrayAdapter<String>(Balcoes.this, android.R.layout.simple_list_item_1,lista));*/
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
super.onListItemClick(l, v, position, id);
Intent ourIntent = new Intent("com.example.basicmaponline.ENTIDADE");
ourIntent.putExtra("id_entidade", listaBalcao.get(position).getId_entidade());
ourIntent.putExtra("id_loja", listaBalcao.get(position).getId_loja_cidadao());
startActivity(ourIntent);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
//return super.onCreateOptionsMenu(menu);
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.homeactionbar, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if(item.getItemId()==R.id.lojasHome){
Intent intent = new Intent("com.example.basicmaponline.MENU");
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
else {
super.onBackPressed();
}
return true;
}
public class loadDatabase extends AsyncTask<Void, Void, ArrayList<SQLbalcao>>{
@Override
protected void onPreExecute()
{
progressDialog = new ProgressDialog(Balcoes.this);
progressDialog.setTitle("Processando...");
progressDialog.setMessage("Por favor,espera...");
progressDialog.setCancelable(true);
//progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
//progressDialog.setMax(100);
progressDialog.show();
};
@Override
protected ArrayList<SQLbalcao> doInBackground(Void... params) {
ArrayList<SQLbalcao> listaBalcoes = new ArrayList<SQLbalcao>();
try {
PostgreSQL pSQL = new PostgreSQL();
listaBalcoes = pSQL.getBalcoesByOrder(pSQL.getBalcoes(loja.getId()));
} catch (SQLException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return listaBalcoes;
}
@Override
protected void onPostExecute(ArrayList<SQLbalcao> listaBalcoes){
listaBalcao = listaBalcoes;
lista = new String[listaBalcao.size()];
int i = 0;
for(SQLbalcao balcao : listaBalcao){
lista[i++] = balcao.getNome_entidade();
}
setListAdapter(new ArrayAdapter<String>(Balcoes.this, android.R.layout.simple_list_item_1,lista));
progressDialog.dismiss();
}
}
}
'Log.i ("indicator", "1");'다른 위치에있는 것과 같은 것을 사용하면 문제의 위치를 쉽게 지적 할 수 있습니다. – MDMalik
startActivity가 시작되고 붐! :/ – Damiii
줄 번호가 없으면 정확한 오류를 찾는 것이 약간 어렵습니다. – gipi