08/02/2013, 16:12
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| | | Fecha de Ingreso: septiembre-2008
Mensajes: 257
Antigüedad: 15 años, 8 meses Puntos: 4 | |
| Respuesta: Asynctask no funciona en Android 4.1
este es todo mi codigo de mi .java....ahi esta el asyctask
Código:
package com.example.taller06oct;
public class EditEmpleadosActivity extends Activity {
TextView lblcedula;
EditText txtNombre;
EditText txtApellido;
EditText txtSueldo;
Button btnSave;
Button btnDelete;
String cedula;
// Progress Dialog
private ProgressDialog pDialog;
// JSON parser class
JSONParser jsonParser = new JSONParser();
// single Empleado url - Reemplaza la IP de tu equipo o la direccion de tu servidor
// Si tu servidor es tu PC colocar IP Ej: "http://127.97.99.200/taller06oct/..", no colocar "http://localhost/taller06oct/.."
private static final String url_detalles_empleado = "http://www.miweb.com/android/busqueda.php";
// url to update Empleado - Reemplaza la IP de tu equipo o la direccion de tu servidor
private static final String url_actualizar_empleado = "http://www.miweb.com/android/actualizarempleado.php";
// url to delete Empleado - Reemplaza la IP de tu equipo o la direccion de tu servidor
private static final String url_borrar_empleado = "http://www.miweb.com/android/borrarempleado.php";
// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_EMPLEADOS = "empleado";
private static final String TAG_CEDULA = "cedula";
private static final String TAG_NOMBRE = "nombre";
private static final String TAG_APELLIDO = "apellido";
private static final String TAG_SUELDO = "sueldo";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.edit_empleado);
// save button
btnSave = (Button) findViewById(R.id.btnSave);
btnDelete = (Button) findViewById(R.id.btnDelete);
Log.i("1","inicia variableso");
// getting Empleado details from intent
Intent i = getIntent();
// getting Empleado id (pid) from intent
cedula = i.getStringExtra(TAG_CEDULA);
// Getting complete Empleado details in background thread
new GetEmpleadoDetails().execute();
// save button click event
btnSave.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// starting background task to update Empleado
new SaveEmpleadoDetails().execute();
}
});
// Delete button click event
btnDelete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// deleting Empleado in background thread
new DeleteEmpleado().execute();
}
});
}
/**
* Background Async Task to Get complete Empleado details
* */
public class GetEmpleadoDetails extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
Log.i("1","entrando");
super.onPreExecute();
pDialog = new ProgressDialog(EditEmpleadosActivity.this);
pDialog.setMessage("Loading Empleado details. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
/**
* Getting Empleado details in background thread
* */
protected String doInBackground(String... params) {
Log.i("1","inicia segundo plano");
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
// Check for success tag
Log.i("1","entra segundo plano");
int success;
try {
// Building Parameters
cedula="12345";
List<NameValuePair> params = new ArrayList<NameValuePair>();
Log.i("1","crea lista");
params.add(new BasicNameValuePair("cedula", cedula));
Log.e("1","busca empleado para cargar detalles");
// getting Empleado details by making HTTP request
// Note that Empleado details url will use GET request
JSONObject json = jsonParser.makeHttpRequest(
url_detalles_empleado, "GET", params);
Log.e("1","llama a php busqueda");
// check your log for json response
Log.d("Single Empleado Details", json.toString());
// json success tag
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// successfully received Empleado details
JSONArray EmpleadoObj = json
.getJSONArray(TAG_EMPLEADOS); // JSON Array
// get first Empleado object from JSON Array
JSONObject Empleado = EmpleadoObj.getJSONObject(0);
// Empleado with this pid found
// Edit Text
lblcedula = (TextView) findViewById(R.id.lblcedula);
txtNombre = (EditText) findViewById(R.id.inputNombre);
txtApellido = (EditText) findViewById(R.id.inputApellido);
txtSueldo = (EditText) findViewById(R.id.inputSueldo);
// display Empleado data in EditText
lblcedula.setText(Empleado.getString(TAG_CEDULA));
txtNombre.setText(Empleado.getString(TAG_NOMBRE));
txtApellido.setText(Empleado.getString(TAG_APELLIDO));
txtSueldo.setText(Empleado.getString(TAG_SUELDO));
}else{
// Empleado with pid not found
Log.i("1","error en el empelado");
}
} catch (JSONException e) {
e.printStackTrace();
}
}
});
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once got all details
pDialog.dismiss();
}
}
/**
* Background Async Task to Save Empleado Details
* */
class SaveEmpleadoDetails extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(EditEmpleadosActivity.this);
pDialog.setMessage("Actualizando Empleado ...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
/**
* Saving Empleado
* */
protected String doInBackground(String... args) {
// getting updated data from EditTexts
String nombre = txtNombre.getText().toString();
String apellido = txtApellido.getText().toString();
String sueldo = txtSueldo.getText().toString();
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair(TAG_CEDULA, cedula));
params.add(new BasicNameValuePair(TAG_NOMBRE, nombre));
params.add(new BasicNameValuePair(TAG_APELLIDO, apellido));
params.add(new BasicNameValuePair(TAG_SUELDO, sueldo));
// sending modified data through http request
// Notice that update Empleado url accepts POST method
JSONObject json = jsonParser.makeHttpRequest(url_actualizar_empleado,
"POST", params);
// check json success tag
try {
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// successfully updated
Intent i = getIntent();
// send result code 100 to notify about Empleado update
setResult(100, i);
finish();
} else {
// failed to update Empleado
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once Empleado uupdated
pDialog.dismiss();
}
}
/*****************************************************************
* Background Async Task to Delete Empleado
* */
class DeleteEmpleado extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(EditEmpleadosActivity.this);
pDialog.setMessage("Borrando Empleado...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
/**
* Deleting Empleado
* */
protected String doInBackground(String... args) {
// Check for success tag
int success;
try {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("cedula", cedula));
// getting Empleado details by making HTTP request
JSONObject json = jsonParser.makeHttpRequest(
url_borrar_empleado, "POST", params);
// check your log for json response
Log.d("Borrando Empleado", json.toString());
// json success tag
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// Empleado successfully deleted
// notify previous activity by sending code 100
Intent i = getIntent();
// send result code 100 to notify about Empleado deletion
setResult(100, i);
finish();
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once Empleado deleted
pDialog.dismiss();
}
}
}
en la parte donde me da error es justo cuando llega a JSONObjetc..llega a esta linea y me da error....
Código:
JSONObject json = jsonParser.makeHttpRequest(
url_detalles_empleado, "GET", params);
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