[androizado]

Ok lo he implementado pero creo que he echo algo mal... sigue sin funcionarme... al poner android:targetSdkVersion="17"

pongo el código para que le eches un vistacillo compañero

 Cita:

public class CargarLista extends ListActivity {

private ProgressDialog pDialog;
private MiTareaAsincronaDialog tarea2;

private static String url = "http://192.168.0.11/android/libros/service.libros.php";

ArrayList<HashMap<String, String>> contactList = new ArrayList<HashMap<String, String>>();

JSONParser jParser = new JSONParser();

JSONObject json = jParser.getJSONFromUrl(url);

private static final String TAG_JSON = "libros";
private static final String TAG_ID = "id";
private static final String TAG_LIBRO = "libro";
private static final String TAG_ISBN = "isbn";

JSONArray libros = null;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

tarea2 = new MiTareaAsincronaDialog();
tarea2.execute();
}

private void tareaLarga()
{
try {
Thread.sleep(1000);
} catch(InterruptedException e) {}
}

public void GenerarLista(){
ListAdapter adapter = new SimpleAdapter(this, contactList,
R.layout.list_item,
new String[] { TAG_ID, TAG_LIBRO, TAG_ISBN }, new int[] {
R.id.idf, R.id.libro, R.id.isbn });

setListAdapter(adapter);
}

private class MiTareaAsincronaDialog extends AsyncTask<Void, Integer, Boolean> {

@Override
protected Boolean doInBackground(Void... params) {

try {

libros = json.getJSONArray(TAG_JSON);

for(int i = 0; i < libros.length(); i++){
JSONObject c = libros.getJSONObject(i);

String id = c.getString(TAG_ID);
String libro = c.getString(TAG_LIBRO);
String isbn = c.getString(TAG_ISBN);

HashMap<String, String> map = new HashMap<String, String>();

map.put(TAG_ID, id);
map.put(TAG_LIBRO, libro);
map.put(TAG_ISBN, isbn);

contactList.add(map);
}
} catch (JSONException e) {
e.printStackTrace();
}
for(int i=1; i<=10; i++) {
tareaLarga();
publishProgress(i*10);
}

return true;
}

@Override
protected void onProgressUpdate(Integer... values) {
int progreso = values[0].intValue();

pDialog.setProgress(progreso);
}

@Override
protected void onPreExecute() {
pDialog = new ProgressDialog(CargarLista.this);
pDialog.setProgressStyle(ProgressDialog.STYLE_SPIN NER);
pDialog.setMessage("Actualizando datos...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
pDialog.setProgress(0);
pDialog.show();
}

@Override
protected void onPostExecute(Boolean result) {
if(result)
{
pDialog.dismiss();
GenerarLista();
Toast.makeText(CargarLista.this, "Datos Actualizados exitosamente", Toast.LENGTH_SHORT).show();
}else{
pDialog.dismiss();
Toast.makeText(CargarLista.this, "Error en la aplicacion", Toast.LENGTH_SHORT).show();
Vibrator vibrator =(Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
finish();
}
}
}

}