这是我的java：
package com.example.bo_withoop;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;
import com.example.bo_withoop.JSONParser;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ListAdapter;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class slot_parkir extends Activity
{
Button satu_a, satu_b, satu_c, satu_d, satu_e;
Button dua_a, dua_b, dua_c, dua_d, dua_e;
Button tiga_a, tiga_b, tiga_c, tiga_d, tiga_e;
private ProgressDialog pDialog;
int lantai = 0;
int waktu_masuk = 0;
int waktu_keluar = 0;
String tempat_parkir;
int id_user = 0;
private static String url_create_booking = "http://192.168.1.101/skripsi/create_booking.php";
JSONParser jsonParser = new JSONParser();
private static final String TAG_SUCCESS = "success";
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.slot_parkir);
//button lantai 1
satu_a = (Button) findViewById(R.id.satu_a);
satu_b = (Button) findViewById(R.id.satu_b);
satu_c = (Button) findViewById(R.id.satu_c);
satu_d = (Button) findViewById(R.id.satu_d);
satu_e = (Button) findViewById(R.id.satu_e);
//button lantai 2
dua_a = (Button) findViewById(R.id.dua_a);
dua_b = (Button) findViewById(R.id.dua_b);
dua_c = (Button) findViewById(R.id.dua_c);
dua_d = (Button) findViewById(R.id.dua_d);
dua_e = (Button) findViewById(R.id.dua_e);
//button lantai 3
tiga_a = (Button) findViewById(R.id.tiga_a);
tiga_b = (Button) findViewById(R.id.tiga_b);
tiga_c = (Button) findViewById(R.id.tiga_c);
tiga_d = (Button) findViewById(R.id.tiga_d);
tiga_e = (Button) findViewById(R.id.tiga_e);
//parsing lantai
Intent i = getIntent();
Bundle a = i.getExtras();
if (a != null)
{
lantai = a.getInt("lantai");
waktu_masuk = a.getInt("waktu_masuk");
waktu_keluar = a.getInt("waktu_keluar");
id_user = a.getInt("id_user");
}
if(lantai == 1)
{
satu_a.setVisibility(Button.VISIBLE);
satu_a.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
tempat_parkir = "1A";
Toast.makeText(getApplicationContext(), "test: "+lantai+waktu_masuk+waktu_keluar+id_user , Toast.LENGTH_SHORT).show();
new CreateNewBooking().execute();
}
});
satu_b.setVisibility(Button.VISIBLE);
satu_c.setVisibility(Button.VISIBLE);
satu_d.setVisibility(Button.VISIBLE);
satu_e.setVisibility(Button.VISIBLE);
}
else if(lantai == 2)
{
dua_a.setVisibility(Button.VISIBLE);
dua_b.setVisibility(Button.VISIBLE);
dua_c.setVisibility(Button.VISIBLE);
dua_d.setVisibility(Button.VISIBLE);
dua_e.setVisibility(Button.VISIBLE);
}
else if(lantai == 3)
{
tiga_a.setVisibility(Button.VISIBLE);
tiga_b.setVisibility(Button.VISIBLE);
tiga_c.setVisibility(Button.VISIBLE);
tiga_d.setVisibility(Button.VISIBLE);
tiga_e.setVisibility(Button.VISIBLE);
}
}
class CreateNewBooking extends AsyncTask<String, String, Integer> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(slot_parkir.this);
pDialog.setMessage("Creating booking..");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
/**
* Creating product
* */
protected Integer doInBackground(String... args) {
String lantai ="";
lantai = lantai.toString();
String waktu_masuk ="";
waktu_masuk = waktu_masuk.toString();
String waktu_keluar = "";
waktu_keluar = waktu_keluar.toString();
String id_user = "";
id_user = id_user.toString();
String qr_code = "123";
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("lantai", lantai));
params.add(new BasicNameValuePair("waktu_masuk", waktu_masuk));
params.add(new BasicNameValuePair("waktu_keluar", waktu_keluar));
params.add(new BasicNameValuePair("id_user", id_user));
params.add(new BasicNameValuePair("qr_code", qr_code));
// getting JSON Object
// Note that create product url accepts POST method
JSONObject json = jsonParser.makeHttpRequest(url_create_booking,
"POST", params);
int success;
// check for success tag
try {
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
} else {
}
}
catch (JSONException e) {
success=0;
e.printStackTrace();
}
catch (Exception e){
e.printStackTrace();
success=0;
}
return success;}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(int success) {
// dismiss the dialog once done
if (success == 1) {
} else {
// failed to create product
Toast.makeText(getApplicationContext(), "error", Toast.LENGTH_SHORT).show();
}
pDialog.dismiss();
}
}
}
我的php文件是：
<?php
/*
* Following code will create a new product row
* All product details are read from HTTP Post Request
*/
// array for JSON response
$response = array();
// check for required fields
$lantai = $_POST['lantai'];
$waktu_masuk = $_POST['waktu_masuk'];
$waktu_keluar= $_POST['waktu_keluar'];
$id_user = $_POST['id_user'];
$qr_code = $_POST['qr_code'];
// include db connect class
require_once __DIR__ . '/db_connect.php';
// connecting to db
$db = new DB_CONNECT();
// mysql inserting a new row
$result = mysql_query("INSERT INTO transaksi(lantai, waktu_masuk, waktu_keluar, id_user, qr_code) VALUES('$lantai', '$waktu_masuk', '$waktu_keluar'', $id_user, '$qr_code)");
// check if row inserted or not
if ($result) {
// successfully inserted into database
$response["success"] = 1;
$response["message"] = "Book succeedd";
// echoing JSON response
echo json_encode($response);
} else {
// failed to insert row
$response["success"] = 0;
$response["message"] = mysql_error();
// echoing JSON response
echo json_encode($response);
}
?>
这是我的JSONParser.java：
package com.example.bo_withoop;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;
import android.util.Log;
public class JSONParser {
static InputStream is = null;
static JSONObject jObj = null;
static String json = "";
// constructor
public JSONParser() {
}
// function get json from url
// by making HTTP POST or GET mehtod
public JSONObject makeHttpRequest(String url, String method,
List<NameValuePair> params) {
// Making HTTP request
try {
// check for request method
if(method == "POST"){
// request method is POST
// defaultHttpClient
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(params));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
is = httpEntity.getContent();
}else if(method == "GET"){
// request method is GET
DefaultHttpClient httpClient = new DefaultHttpClient();
String paramString = URLEncodedUtils.format(params, "utf-8");
url += "?" + paramString;
HttpGet httpGet = new HttpGet(url);
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
is = httpEntity.getContent();
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(
is, "iso-8859-1"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
json = sb.toString();
} catch (Exception e) {
Log.e("Buffer Error", "Error converting result " + e.toString());
}
// try parse the string to a JSON object
try {
jObj = new JSONObject(json);
} catch (JSONException e) {
Log.e("JSON Parser", "Error parsing data " + e.toString());
}
// return JSON String
return jObj;
}
}
来自logcat的错误是：
所以，当我将这个程序运行到AVD或我的移动设备时，它会卡住并继续加载创建预订。我该怎么办这个问题？感谢。