0
我正在使用「SELECT docid as _id（blabla）」來搜索關鍵字.. 使用第一個DBAdapter，我可以搜索關鍵字我鍵入..但第二個不能.. 爲什麼？android-difference docid在這個Java文件（SELECT docid as _id）
將對DBAdapter（docID的作品）
package inklinked.tessearchtambahfitur;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
public class DBAdapter {
public static final String KEY_ROWID = "rowid";
public static final String KEY_CUSTOMER = "customer";
public static final String KEY_NAME = "name";
public static final String KEY_ADDRESS = "address";
public static final String KEY_ADDRESS1 = "address1";
public static final String KEY_ADDRESS2 = "address2";
public static final String KEY_CITY = "city";
public static final String KEY_STATE = "state";
public static final String KEY_ZIP = "zipCode";
public static final String KEY_SEARCH = "searchData";
private static final String TAG = "CusomersDBAdapter";
private DatabaseHelper mDbHelper;
private SQLiteDatabase mDb;
private static final String DATABASE_NAME = "CustomerData";
private static final String FTS_VIRTUAL_TABLE = "CustomerInfo";
private static final int DATABASE_VERSION = 1;
//Create a FTS3 Virtual Table for fast searches
private static final String DATABASE_CREATE =
"CREATE VIRTUAL TABLE " + FTS_VIRTUAL_TABLE + " USING fts3(" +
KEY_NAME + "," +
" UNIQUE (" + KEY_NAME + "));";
private final Context mCtx;
private static class DatabaseHelper extends SQLiteOpenHelper {
DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
Log.w(TAG, DATABASE_CREATE);
db.execSQL(DATABASE_CREATE);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.w(TAG, "Upgrading database from version " + oldVersion + " to "
+ newVersion + ", which will destroy all old data");
db.execSQL("DROP TABLE IF EXISTS " + FTS_VIRTUAL_TABLE);
onCreate(db);
}
}
public DBAdapter(Context ctx) {
this.mCtx = ctx;
}
public DBAdapter open() throws SQLException {
mDbHelper = new DatabaseHelper(mCtx);
mDb = mDbHelper.getWritableDatabase();
return this;
}
public void close() {
if (mDbHelper != null) {
mDbHelper.close();
}
}
public long createCustomer(String name) {
ContentValues initialValues = new ContentValues();
String searchValue = name ;
initialValues.put(KEY_NAME, name);
//initialValues.put(KEY_SEARCH, searchValue);
return mDb.insert(FTS_VIRTUAL_TABLE, null, initialValues);
}
public Cursor searchCustomer(String inputText) throws SQLException {
Log.w(TAG, inputText);
String query = "SELECT docid as _id," +
KEY_NAME +
" from " + FTS_VIRTUAL_TABLE +
" where " + KEY_NAME + " MATCH '" + inputText + "';";
Log.w(TAG, query);
Cursor mCursor = mDb.rawQuery(query,null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
public boolean deleteAllCustomers() {
int doneDelete = 0;
doneDelete = mDb.delete(FTS_VIRTUAL_TABLE, null , null);
Log.w(TAG, Integer.toString(doneDelete));
return doneDelete > 0;
}
}
將對DBAdapter（文檔ID失敗）* I已經變成SELECT _id，（布拉布拉），沒有錯誤，並連接到我的MainDIY（搜索活動），但它不能顯示搜索結果
package inklinked.tessearchtambahfitur;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
import timber.log.Timber;
public class DBAdapter
{
private static final String DB_NAME = "contact_db";
private static final int DB_VER = 1;
public static final String FTS_VIRTUAL_TABLE = "contact";
public static final String COL_ID = "_id";
public static final String COL_NAME = "name";
public static final String COL_SEARCH = "searchData";
public static final String COL_TELP = "telp";
private static final String TAG = "ContactDBAdapter";
private DatabaseHelper dbHelper;
private SQLiteDatabase db;
private static final String DB_CREATE = "CREATE VIRTUAL TABLE " + FTS_VIRTUAL_TABLE + " USING fts3(" +
COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " + COL_NAME + "TEXT NOT NULL," +
" UNIQUE (" + COL_NAME + "));";
private final Context context;
private static class DatabaseHelper extends SQLiteOpenHelper
{
public DatabaseHelper(Context context)
{
// TODO Auto-generated constructor stub
super(context, DB_NAME, null, DB_VER);
}
@Override
public void onCreate(SQLiteDatabase db)
{
// TODO Auto-generated method stub
db.execSQL(DB_CREATE);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
{
// TODO Auto-generated method stub
Log.d(TAG, "upgrade DB");
db.execSQL("DROP TABLE IF EXISTS " + FTS_VIRTUAL_TABLE);
onCreate(db);
}
}
public DBAdapter(Context context)
{
this.context = context;
// TODO Auto-generated constructor stub
}
public DBAdapter open() throws SQLException
{
dbHelper = new DatabaseHelper(context);
db = dbHelper.getWritableDatabase();
return this;
}
public void close()
{
if (dbHelper != null) {
dbHelper.close();
}
}
public void createContact(DataDIY contact)
{
ContentValues val = new ContentValues();
//String searchValue = name;
val.put(COL_NAME, contact.getName());
//val.put(COL_TELP, contact.getTelp());
db.insert(FTS_VIRTUAL_TABLE, null, val);
}
public boolean deleteContact(int id)
{
return db.delete(FTS_VIRTUAL_TABLE, COL_ID + "=" + id, null) > 0;
}
public Cursor getAllContact()
{
return db.query(FTS_VIRTUAL_TABLE, new String[]
{
COL_ID, COL_NAME
}, null, null, null, null, null);
}
public Cursor getSingleContact(int id)
{
Cursor cursor = db.query(FTS_VIRTUAL_TABLE, new String[]
{
COL_ID, COL_NAME
}, COL_ID + "=" + id, null, null, null, null);
if (cursor != null)
cursor.moveToFirst();
return cursor;
}
public boolean updateContact(DataDIY contact)
{
ContentValues val = new ContentValues();
val.put(COL_NAME, contact.getName());
//val.put(COL_TELP, contact.getTelp());
return db.update(FTS_VIRTUAL_TABLE, val, COL_ID + "=" + contact.getId(), null) > 0;
}
public Cursor searchByInputText(String inputText) throws SQLException {
Log.w(TAG, inputText);
String query = "SELECT docid as _id," +
COL_NAME +
" from " + FTS_VIRTUAL_TABLE +
" where " + COL_NAME + " LIKE '%" + inputText + "%'";
Log.w(TAG, query);
Cursor mCursor = db.rawQuery(query,null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
}
我MainDIY.java
import android.app.Activity;
import android.app.SearchManager;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.content.Intent;
import android.database.Cursor;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.widget.SimpleCursorAdapter;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageView;
import android.widget.ListView;
import android.support.v7.widget.SearchView;
//search
import timber.log.Timber;
public class MainDIY extends ActionBarActivity implements OnItemClickListener, SearchView.OnQueryTextListener, SearchView.OnCloseListener
{
public static final String KEY_ID = "_id";
private static final int INSERT_ID = Menu.FIRST;
private DBAdapter db;
ImageView btnCari,btnAdd;
FloatingActionButton fab;
private static final String TAG = "DIY";
ListView listview;
//private ArrayList<String> arraylist=new ArrayList<String>();
private SQLiteDatabase MYdatabase;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_diy);
Timber.d("line 37, content activity_diy");
db = new DBAdapter(this);
db.open();
listview = (ListView) findViewById(R.id.list);
listview.setEmptyView(findViewById(R.id.empty));
/*
db.createCustomer("PIZZA1");
db.createCustomer("PIZZA2");
db.createCustomer("PIZZA3");
*/
// float button
fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainDIY.this, AddDIY.class);
startActivity(intent);
}
});
listview.setOnItemClickListener(this);
}
// menampilkan apa yang dicari dan ada di database
private void hasilPencarian(String query) {
/** menampilkan apa yang dicari dan ada di database */
Cursor cursor = db.searchByInputText((query != null ? query.toString() : "@@@@"));
if (cursor == null) {
//
} else {
// Specify the columns we want to display in the result
String[] from = new String[] {
DBAdapter.COL_NAME};
// Specify the Corresponding layout elements where we want the columns to go
int[] to = new int[] {
R.id.search_text_view}; Log.d("MainDIY","r.id.searchtextview");
// Create a simple cursor adapter for the definitions and apply them to the ListView
android.widget.SimpleCursorAdapter customers = new android.widget.SimpleCursorAdapter(this,R.layout.search_item, cursor, from, to);
Log.d("MainDIY",query);
listview.setAdapter(customers);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
// Inflate menu to add items to action bar if it is present.
inflater.inflate(R.menu.menu_main, menu);
// Associate searchable configuration with the SearchView
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
SearchView searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();
searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
searchView.setIconifiedByDefault(false);
SearchView.OnQueryTextListener textChangeListener = new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextChange(String newText) {
if (!newText.isEmpty()){
hasilPencarian(newText + "*");
Timber.i("text berubah "+newText.toString());
} else {
Timber.i("searchview kosong");
}
return false;
}
public boolean onQueryTextSubmit(String query) {
hasilPencarian(query + "*");
return false;
}
};
searchView.setOnQueryTextListener(textChangeListener);
return super.onCreateOptionsMenu(menu);
}
@Override
public void onItemClick(AdapterView<?> arg0, View v, int pos, long id)
{
// TODO Auto-generated method stub
Bundle bundle = new Bundle();
bundle.putLong(KEY_ID, id);
Intent intent = new Intent(MainDIY.this, EditDIY.class);
intent.putExtras(bundle);
db.close();
startActivity(intent);
}
@Override
public boolean onClose() {
Timber.d("onclose");
hasilPencarian("");
return false;
}
public boolean onQueryTextChange(String newText) {
hasilPencarian(newText + "*");
return false;
}
public boolean onQueryTextSubmit(String query) {
hasilPencarian(query + "*");
return false;
}
@Override
protected void onDestroy() {
super.onDestroy();
if (db != null) {
db.close();
}
}
@Override
protected void onNewIntent(Intent intent) {
handleIntent(intent);
}
private void handleIntent(Intent intent) {
if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
String query = intent.getStringExtra(SearchManager.QUERY);
//use the query to search
}
}
}