Ro'yxatga olish sanasi 19 Mart 2026
0 SotishAndroid platformasida java dasturlashtrish tilidan foydalanib akt ga oid lug’at yaratish
![// Ma’lumotlarni qo’shish metodi, bu metod ma’lumot indeksini qaytaradi.
public long insertEntry(SampleObject _SampleObject) {
// Bu yerda o’z ichida kerakli ma’lumotlar joylashgan va MBga qo’yilishi
//rejalashtirilgan ContentValues obyekti yasaladi returnindex;
}
// Indeksi bo’yicha ma’lumotni o’chirish public
booleanremoveEntry(long _rowIndex)
{ returndb.delete(DATABASE_TABLE, KEY_ID + "="
+
_rowIndex, null) > 0;
}
// Barcha ma’lumotlarni olish metodi public Cursor getAllEntries()
{ returndb.query(DATABASE_TABLE, new String[] { KEY_ID,
KEY_NAME },
null, null, null, null, null);
}
// indeksi bo'yicha obyektning ekzemplyarni natija sifatida qaytaradi public
SampleObjectgetEntry(long _rowIndex) {
// kursorni qabul qiladi, MBdan kerakli ma’lumotlarni ko’rasatadi
returnobjectInstance;
}
- 52 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_52.png?v=1)
![if ( ! dbFile.exists()) {
if ( ! dbDir.exists() ) dbDir.mkdirs();
copyDatabase(dbFile, dbName);
}
return SQLiteDatabase.openDatabase(dbPath, null, 0);
}
private void copyDatabase(File dbFile, String dbName) {
try
{
InputStream istream = this.context.getAssets().open(DB_FOLDER + "/" + dbName);
OutputStream ostream = new FileOutputStream(dbFile); byte[] buffer = new
byte[100 * 1024];
int length;
while ((length = istream.read(buffer)) > -1)
{ ostream.write(buffer, 0, length);
}
}
catch (IOException e) {
Log.e(APP_TAG, e.toString());
Toast.makeText(this.context, e.getMessage(), Toast.LENGTH_LONG).show();
}
}
public ArrayList<String> getWordsLike(String word, int langCode) {
- 60 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_60.png?v=1)
![ArrayList<String> result = new ArrayList<String>();
Cursor cursor;
String lang = "uz";
switch (langCode) {
case 0: lang = "uz"; break;
case 1: lang = "en"; break;
case 2: lang = "ru"; break;
}
cursor = db.query( "dictionary",
new String[] { "word_" + lang },
"word_" + lang + " like \"%" + word + "%\" limit 10",
null, null, null, null
);
cursor.moveToFirst();
if ( ! cursor.isAfterLast() ) {
do
{
result.add( cursor.getString(0) );
}
while (cursor.moveToNext());
}
- 61 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_61.png?v=1)
![case 2:
toLang = "word_ru"; returnString
= " Такое слово не найдено .";
break;
default:
toLang = "word_en";
returnString = "This word was not found";
}
cursor = db.query( "dictionary",
new String[] {toLang}, fromLang
+ " = \"" + word + "\"", null, null,
null, null
);
Toast.makeText(context, fromLang.toString())
cursor.moveToFirst();
if ( ! cursor.isAfterLast() ) {
return returnString;
}
return cursor.getString(0);
}
}
Baza bilan bog’langan qismi
package com.aiw.ictdictionary;
- 63 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_63.png?v=1)
![SharedPreferences preferences; private int
fromLang, toLang; private Button
fromLangBtn, toLangBtn; private TextView
wordView, translationView;
public String word;
private CharSequence[] langList = {"O'zbek", "English", " Русский "};
@Override protected void onCreate(Bundle
savedInstanceState)
{ super.onCreate(savedInstanceState);
setContentView(R.layout.dictionary_layout);
this.dm = DatabaseManager.getInstance(this);
this.InitializePerferences();
this.InitializeListeners();
}
private void InitializePerferences() {
this.preferences = getSharedPreferences(APP_TAG, MODE_PRIVATE); this.fromLang =
preferences.getInt("from_lang", LANG_UZ); this.toLang = preferences.getInt("to_lang", LANG_RU);
if (this.fromLang == this.toLang) {
this.toLang = (this.toLang + 1) % 3;
}
- 65 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_65.png?v=1)
![this.preferences.edit()
.putInt("from_lang", this.fromLang)
.putInt( "to_lang" , this.toLang)
.commit();
}
private void InitializeListeners() {
wordInput = (AutoCompleteTextView) findViewById(R.id.wordInput);
ImageButton searchBtn = (ImageButton) findViewById(R.id.searchBtn);
ImageButton swapLangs = (ImageButton) findViewById(R.id.swapLangs);
this.fromLangBtn = (Button) findViewById(R.id.fromLangBtn);
this.toLangBtn = (Button) findViewById(R.id.toLangBtn); this.wordView
= (TextView) findViewById(R.id.word); this.translationView = (TextView)
findViewById(R.id.translation);
searchBtn.setOnClickListener(this);
swapLangs.setOnClickListener(this);
wordInput.addTextChangedListener(this);
fromLangBtn.setText(langList[this.fromLang]); fromLangBtn.setOnClickListener(this);
toLangBtn.setText(langList[this.toLang]); toLangBtn.setOnClickListener(this);
}
public void onClick(final View view) {
AlertDialog.Builder builder;
AlertDialog dialog;
switch (view.getId()) {
- 66 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_66.png?v=1)
![case R.id.searchBtn:
wordView.setText(word);
translationView.setText(dm.getTranslation(word, fromLang, toLang));
break;
case R.id.swapLangs:
int tmp = this.fromLang; this.fromLang =
this.toLang; this.toLang = tmp;
this.fromLangBtn.setText(langList[this.fromLang]);
this.toLangBtn.setText(langList[this.toLang]);
break;
case R.id.fromLangBtn:
builder = new AlertDialog.Builder(this);
builder.setTitle("Tilni tanlang")
.setItems(this.langList, new DialogInterface.OnClickListener() { public void
onClick(DialogInterface dialog, int which) {
if (which == toLang) {
Toast.makeText(getApplicationContext(), "Impossible", Toast.LENGTH_SHORT).show();
return;
}
fromLangBtn.setText(langList[which]);
fromLang = which;
}
});
dialog = builder.create();
dialog.show(); break;
- 67 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_67.png?v=1)
![case R.id.toLangBtn:
builder = new AlertDialog.Builder(this);
builder.setTitle("Tilni tanlang")
.setItems(this.langList, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == fromLang) {
Toast.makeText(getApplicationContext(), "Impossible", Toast.LENGTH_SHORT).show();
return;
}
toLangBtn.setText(langList[which]);
toLang = which;
}
});
dialog = builder.create();
dialog.show(); break;
}
}
@Override public void beforeTextChanged(CharSequence s, int start, int
count, int after) {
}
@Override public void onTextChanged(CharSequence s, int start, int
before, int count) {
- 68 -](https://docx.uz/documents/cf9ac4f1-8090-4d44-aab5-63e5c4307711/page_68.png?v=1)
-
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