PROBLEMAS AL CORRER APLICACIÓN ANDROID EN EL CELULAR
Publicado por eder chacon (1 intervención) el 05/10/2018 21:26:59
hola. el problema es que cree una aplicacion sencilla para modificar una base de datos en localhost con ayuda phpmyadmin. cree unas funcione JSON para este proposito y todo funciona correctamente desde el emulador de android. el problema es que al simularlo desde el telefono, no modifica la base datos. es como si no conectara al url. y si le otorgue permission de internet en la aplicacion y uso directamente la ip de mi computador. GRACIAS de ante mano
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import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import org.json.JSONArray;
import org.json.JSONException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
public class MainActivity extends AppCompatActivity { Button btnconsultar, btnGuardar;EditText etId, etNombres, etTelefono;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnconsultar = findViewById(R.id.btnConsultar);
btnGuardar = findViewById(R.id.btnGuardar);
etId = findViewById(R.id.etId);
etNombres = findViewById(R.id.etNombres);
etTelefono = findViewById(R.id.etTelefono);
btnconsultar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new ConsultarDatos().execute("http://192.XXX.XX.XXX/CONEXION_BASE/consulta.php?id="+etId.getText().toString());
}});
btnGuardar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new CargarDatos().execute("http://192.XXX.XX.XX/CONEXION_BASE/registro.php?nombres="+etNombres.getText().toString()+"&tel="+etTelefono.getText().toString());
}});
}private class CargarDatos extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... urls) {
// params comes from the execute() call: params[0] is the url.
try {return downloadUrl(urls[0]);
} catch (IOException e) {
return "Unable to retrieve web page. URL may be invalid."; } } // onPostExecute displays the results of the AsyncTask.
@Override
protected void onPostExecute(String result) {
Toast.makeText(getApplicationContext(), "Se almacenaron los datos correctamente", Toast.LENGTH_LONG).show();
} }private class ConsultarDatos extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... urls) {
// params comes from the execute() call: params[0] is the url.
try {return downloadUrl(urls[0]);
} catch (IOException e) {
return "Unable to retrieve web page. URL may be invalid."; } } // onPostExecute displays the results of the AsyncTask.
@Override
protected void onPostExecute(String result) {
JSONArray ja = null; try {ja = new JSONArray(result);
etNombres.setText(ja.getString(1));
etTelefono.setText(ja.getString(2));
} catch (JSONException e) {
e.printStackTrace();
} } }private String downloadUrl(String myurl) throws IOException {
Log.i("URL",""+myurl);
myurl = myurl.replace(" ","%20");
InputStream is = null; //// Only display the first 500 characters of the retrieved
//// web page content.
int len = 500; try {URL url = new URL(myurl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(10000 /* milliseconds */);
conn.setConnectTimeout(15000 /* milliseconds */);
conn.setRequestMethod("REQUEST");
conn.setDoInput(true);
//// Starts the query
conn.connect();
int response = conn.getResponseCode();
Log.d("respuesta", "The response is: " + response);
is = conn.getInputStream();
//// Convert the InputStream into a string
return readIt(is, len);
//// Makes sure that the InputStream is closed after the app is
//// finished using it.
} finally {
if (is != null) {
is.close();
} } }public String readIt(InputStream stream, int len) throws IOException, UnsupportedEncodingException {
Reader reader = null;reader = new InputStreamReader(stream, "UTF-8");
char[] buffer = new char[len];
reader.read(buffer);
return new String(buffer);
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