У меня есть база данных MYSQL, в которой я извлекаю информацию и перехожу в список. Из этого мне нужно перенести некоторые данные при щелчке по закладной базе данных sqlite, но когда кнопка нажата, она не возвращает правильное значение, поскольку оно выбирает другой из доступных параметров. Я также попытался установить setOnItemClickListener, но это не работает. Если бы кто-то помог мне заставить любой из этих методов работать, это было бы здорово.Студия Android, получающая позицию элемента в списке просмотра по клику
AllAttractions класс:
public class AllAttractions extends AppCompatActivity {
DBManager db;
ListView ls;
// Progress Dialog
private ProgressDialog pDialog;
// Creating JSON Parser object
JSONParser jParser = new JSONParser();
ArrayList<HashMap<String, String>> attractionList;
ArrayList<HashMap<String, String>> transportList;
// url to get all attraction list
private static String url_all_attractions = "http://10.0.2.2/TravelApp/get_all_attractions.php";
private static String url_all_transport = "http://10.0.2.2/TravelApp/get_all_transport.php";
// JSON Node names for attraction
private static final String TAG_SUCCESS = "success";
private static final String TAG_ATTRACTION = "attraction";
private static final String TAG_ATTRACTIONID = "Id";
private static final String TAG_NAME = "Name";
private static final String TAG_TYPE = "Type";
private static final String TAG_LOCATION = "Location";
private static final String TAG_OPENING = "OpeningTime";
private static final String TAG_CLOSING = "ClosingTime";
private static final String TAG_NEARBYSTOP = "NearbyStop";
private static final String TAG_LATITUDE = "Latitude";
private static final String TAG_LONGITUDE = "Longitude";
//JSON Node names for transport
private static final String TAG_TRANSPORT = "transport";
private static final String TAG_TRANSPORTID = "Id";
private static final String TAG_TIME = "Time";
private static final String TAG_NEXTSTOP = "NextStop";
private static final String TAG_PHONENUMBER = "PhoneNumber";
// attraction JSONArray
JSONArray attraction = null;
JSONArray transport = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_all_attractions);
db = new DBManager(this);
// Hashmap for ListView
attractionList = new ArrayList<HashMap<String, String>>();
transportList = new ArrayList<HashMap<String,String>>();
// Get listview
ls = (ListView) findViewById(R.id.list_search);
ls.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting values from selected ListItem
String Aid = ((TextView) view.findViewById(R.id.Attractionid)).getText()
.toString();
System.out.println(Aid);
}
});
}
public void onAttraction(View v){
// Loading attraction in Background Thread
new LoadAllAttractions().execute();
}
public void onTransport(View v){
// Loading transport in Background Thread
new LoadAllTransport().execute();
}
/**
* Background Async Task to Load all product by making HTTP Request
*/
class LoadAllAttractions extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
*/
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(AllAttractions.this);
pDialog.setMessage("Loading attractions. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
/**
* getting All attraction from url
*/
protected String doInBackground(String... args) {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
// getting JSON string from URL
JSONObject json = jParser.makeHttpRequest(url_all_attractions, "GET", params);
// Check your log cat for JSON reponse
Log.d("All Attractions: ", json.toString());
try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// attraction found
// Getting Array of Products
attraction = json.getJSONArray(TAG_ATTRACTION);
// looping through All Products
for (int i = 0; i < attraction.length(); i++) {
JSONObject c = attraction.getJSONObject(i);
// Storing each json item in variable
String id = c.getString(TAG_ATTRACTIONID);
String name = c.getString(TAG_NAME);
String type = c.getString(TAG_TYPE);
String location = c.getString(TAG_LOCATION);
String opening = c.getString(TAG_OPENING);
String closing = c.getString(TAG_CLOSING);
String nearbyStop1 = c.getString(TAG_NEARBYSTOP);
String latitude = c.getString(TAG_LATITUDE);
String longitude = c.getString(TAG_LONGITUDE);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_ATTRACTIONID, id);
map.put(TAG_NAME, name);
map.put(TAG_TYPE, type);
map.put(TAG_LOCATION, location);
map.put(TAG_OPENING,opening);
map.put(TAG_CLOSING,closing);
map.put(TAG_NEARBYSTOP, nearbyStop1);
map.put(TAG_LATITUDE, latitude);
map.put(TAG_LONGITUDE, longitude);
// adding HashList to ArrayList
attractionList.add(map);
}
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
**/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all attraction
pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(
AllAttractions.this, attractionList,
R.layout.list_attraction, new String[]{TAG_ATTRACTIONID,
TAG_NAME,TAG_TYPE,TAG_LOCATION,TAG_OPENING,TAG_CLOSING,TAG_NEARBYSTOP,TAG_LATITUDE,TAG_LONGITUDE},
new int[]{R.id.Attractionid, R.id.name, R.id.type, R.id.location,R.id.open,R.id.close,R.id.nearbystop, R.id.tvLat,R.id.tvLon});
// updating listview
ls.setAdapter(adapter);
}
});
}
}
class LoadAllTransport extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
*/
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(AllAttractions.this);
pDialog.setMessage("Loading Transport. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
/**
* getting All attraction from url
*/
protected String doInBackground(String... args) {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
// getting JSON string from URL
JSONObject json = jParser.makeHttpRequest(url_all_transport, "GET", params);
// Check your log cat for JSON reponse
Log.d("All Transport: ", json.toString());
try {
// Checking for SUCCESS TAG
int success = json.getInt(TAG_SUCCESS);
if (success == 1) {
// attraction found
// Getting Array of Products
transport = json.getJSONArray(TAG_TRANSPORT);
// looping through All Products
for (int i = 0; i < transport.length(); i++) {
JSONObject c = transport.getJSONObject(i);
// Storing each json item in variable
String id = c.getString(TAG_TRANSPORTID);
String name = c.getString(TAG_NAME);
String type = c.getString(TAG_TYPE);
String location = c.getString(TAG_LOCATION);
String time = c.getString(TAG_TIME);
String nextStop = c.getString(TAG_NEXTSTOP);
String phoneNumber = c.getString(TAG_PHONENUMBER);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_TRANSPORTID, id);
map.put(TAG_NAME, name);
map.put(TAG_TYPE, type);
map.put(TAG_LOCATION, location);
map.put(TAG_TIME,time);
map.put(TAG_NEXTSTOP,nextStop);
map.put(TAG_PHONENUMBER, phoneNumber);
// adding HashList to ArrayList
transportList.add(map);
}
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/**
* After completing background task Dismiss the progress dialog
**/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all attraction
pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(
AllAttractions.this, transportList,
R.layout.list_transport, new String[]{TAG_TRANSPORTID,
TAG_NAME,TAG_TYPE,TAG_LOCATION,TAG_TIME,TAG_NEXTSTOP,TAG_PHONENUMBER},
new int[]{R.id.transportid, R.id.TransportName, R.id.TransportType, R.id.TransportLocation,R.id.TransportTime,R.id.TransportNextStop,R.id.TransportPhoneNumber});
// updating listview
ls.setAdapter(adapter);
}
});
}
}
public void addBookmark(View v){
TextView TextName = (TextView)findViewById(R.id.name);
System.out.println(TextName.getText().toString());
TextView TextType = (TextView) findViewById(R.id.type);
TextView TextLocation = (TextView)findViewById(R.id.location);
TextView TextOpening = (TextView)findViewById(R.id.open);
TextView TextClosing = (TextView)findViewById(R.id.close);
TextView TextNearbyStop = (TextView)findViewById(R.id.nearbystop);
ContentValues values = new ContentValues();
values.put(DBManager.ColName,TextName.getText().toString());
values.put(DBManager.ColType,TextType.getText().toString());
values.put(DBManager.ColLocation,TextLocation.getText().toString());
values.put(DBManager.ColOpening,TextOpening.getText().toString());
values.put(DBManager.ColClosing,TextClosing.getText().toString());
values.put(DBManager.ColNearbyStop,TextNearbyStop.getText().toString());
long id = db.Insert("BookmarkAttraction",values);
if (id > 0)
Toast.makeText(getApplicationContext(),"Added to bookmarks", Toast.LENGTH_LONG).show();
else
Toast.makeText(getApplicationContext(),"cannot insert", Toast.LENGTH_LONG).show();
}
public void addTransport(View v){
TextView TextName = (TextView)findViewById(R.id.TransportName);
TextView TextType = (TextView) findViewById(R.id.TransportType);
TextView TextLocation = (TextView)findViewById(R.id.TransportLocation);
TextView TextTime = (TextView)findViewById(R.id.TransportTime);
TextView TextNextStop = (TextView)findViewById(R.id.TransportNextStop);
TextView TextPhoneNumber = (TextView)findViewById(R.id.TransportPhoneNumber);
ContentValues values = new ContentValues();
values.put(DBManager.ColName,TextName.getText().toString());
values.put(DBManager.ColType,TextType.getText().toString());
values.put(DBManager.ColLocation,TextLocation.getText().toString());
values.put(DBManager.ColTime,TextTime.getText().toString());
values.put(DBManager.ColNextStop,TextNextStop.getText().toString());
values.put(DBManager.ColPhoneNumber,TextPhoneNumber.getText().toString());
long id = db.Insert("BookmarkTransport",values);
if (id > 0)
Toast.makeText(getApplicationContext(),"Added to bookmarks", Toast.LENGTH_LONG).show();
else
Toast.makeText(getApplicationContext(),"cannot insert", Toast.LENGTH_LONG).show();
}
public void goDirect(View v){
TextView Latit = (TextView)findViewById(R.id.tvLat);
TextView Longit = (TextView)findViewById(R.id.tvLon);
Intent passData = new Intent(getApplicationContext(), MapPath.class);
passData.putExtra("Latitude",Latit.getText().toString());
passData.putExtra("Longitude",Longit.getText().toString());
startActivity(passData);
}
}
DBManager класс:
public class DBManager {
private SQLiteDatabase sqlDB;
static final String ColId = "ID";
static final String DBName = "InternalDB";
static final String TableName = "BookmarkAttraction";
static final String TableName2 = "BookmarkTransport";
static final String TableName3 = "Itinerary";
static final String ColItineraryName = "ItineraryName";
static final String ColDate = "Date";
static final String ColType = "Type";
static final String ColName = "Name";
static final String ColLocation = "Location";
static final String ColOpening = "OpeningTime";
static final String ColClosing = "ClosingTime";
static final String ColNearbyStop = "NerbyStop1";
static final String ColTime = "Time";
static final String ColNextStop = "NextStop";
static final String ColPhoneNumber = "PhoneNumber";
static final int DBVersion = 1;
static final String CreateTable = "CREATE TABLE IF NOT EXISTS " + TableName + "(ID INTEGER PRIMARY KEY AUTOINCREMENT," + ColType+ " TEXT," +
ColName+ " TEXT," + ColLocation+ " TEXT," + ColOpening+ " TEXT," +ColClosing+ " TEXT," + ColNearbyStop+ " TEXT);";
static final String CreateTabe2 = "CREATE TABLE IF NOT EXISTS " +TableName2 + "(ID INTEGER PRIMARY KEY AUTOINCREMENT,"
+ ColType + " TEXT,"
+ ColName + " TEXT,"
+ ColLocation + " TEXT,"
+ ColTime+ " TEXT,"
+ ColNextStop + " TEXT,"
+ ColPhoneNumber + " TEXT);";
static final String CreateTable3 = "CREATE TABLE IF NOT EXISTS " + TableName3 + "(ID INTEGER PRIMARY KEY AUTOINCREMENT," + ColItineraryName + " TEXT,"
+ ColDate + " TEXT," + ColName + " TEXT," + ColLocation + " TEXT," + ColTime + " TEXT);";
static class DBHelper extends SQLiteOpenHelper{
Context context;
DBHelper(Context context){
super(context, DBName, null, DBVersion);
this.context = context;
}
@Override
public void onCreate(SQLiteDatabase db) {
Toast.makeText(context,DBName,Toast.LENGTH_LONG).show();
db.execSQL(CreateTable);
Toast.makeText(context,"Attraction is created ", Toast.LENGTH_LONG).show();
db.execSQL(CreateTabe2);
Toast.makeText(context,"Transport table created", Toast.LENGTH_LONG).show();
db.execSQL(CreateTable3);
Toast.makeText(context,"Itinerary table created", Toast.LENGTH_LONG).show();
}
@Override
public void onUpgrade(SQLiteDatabase db, int i, int i1) {
db.execSQL("DROP TABLE IF EXISTS" + TableName);
db.execSQL("DROP TABLE IF EXISTS" + TableName2);
db.execSQL("DROP TABLE IF EXISTS" + TableName3);
onCreate(db);
}
}
public DBManager(Context context){
DBHelper db = new DBHelper(context);
sqlDB = db.getWritableDatabase();
}
public long Insert(String tablename,ContentValues values){
long ID = sqlDB.insert(tablename,"",values);
return ID;
}
public Cursor Query(String tablename, String [] projection, String selection, String [] selectionArgs, String sortOrder){
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
qb.setTables(tablename);
Cursor cursor = qb.query(sqlDB,projection, selection, selectionArgs,null,null,sortOrder);
return cursor;
}
public int Delete(String tablename,String selection, String[] selectionArgs){
int count = sqlDB.delete(tablename,selection,selectionArgs);
return count;
}
}
Кнопка, которая передает данные находится в строке 367 AllAttractions, если кто-нибудь может исправить то, что я пытался или предложить лучший способ, который был бы весьма признателен.
Какой вопрос? Что такое строка 367? Мы делаем это бесплатно, вы знаете? – JonZarate
Вопрос заключается в том, что я пытаюсь получить данные из элемента списка и поместить его в базу данных sqlite, но не смог получить правильные данные при нажатии кнопки добавления, строка 367 - это то, где данные извлекаются/переносятся – Sam
Сэм, там НЕТ для нас, чтобы узнать, какая строка 367 – JonZarate