Маленький шаблон, для работы с SQLite:
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public class DBAdapter { private static final String DATABASE_NAME = "test"; private static final int DATABASE_VERSION = 1; private final Context context; private DatabaseHelper DBHelper; private SQLiteDatabase db; public DBAdapter(Context ctx) { this.context = ctx; DBHelper = new DatabaseHelper(context); } private static class DatabaseHelper extends SQLiteOpenHelper { DatabaseHelper(Context context) { super(context,DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { // TODO Auto-generated method stub } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { // TODO Auto-generated method stub } } public SQLiteDatabase GetDataBaseOpen() throws SQLException { return this.db; } public DBAdapter Open() throws SQLiteException { db = DBHelper.getWritableDatabase(); return this; } public DBAdapter OpenForRead() throws SQLiteException { db = DBHelper.getReadableDatabase(); return this; } public void Close() { DBHelper.close(); } } |