SQLite Abfrage

package de.tut.de.test1;

/**
 * Created by Admin on 29.03.2015.
 */
public class Begriff {

        private int id;
        private String begriffe;
        private String begriff_erklaerung;
        private String image;

        public Begriff(){}

        public Begriff(String begriffe, String begriff_erklaerung, String image){
        super();
        this.begriffe = begriffe;
        this.begriff_erklaerung = begriff_erklaerung;
        this.image = image;
    }
        public String toString() {
        return "Begriff [id=" + id + ", begriffe=" + begriffe + ", begriff_erklaerung=" + begriff_erklaerung + ", image=" + image + "]";
        }

}

package de.tut.de.test1;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import de.tut.de.test1.Begriff;


/**
 * Created by Admin on 26.03.2015.
 */
public class db_lexicon extends SQLiteOpenHelper {



    public static final String DB_NAME = "db_lexikon";
    public static final int DB_VERSION = 1;
    public static final String TABLE_SCOUTLOG = "lexikon";
    public static final String COLUMN_ID = "id";
    public static final String COLUMN_TITLE = "begriffe";
    public static final String COLUMN_CONTENT = "begriff_erklaerung";
    public static final String COLUMN_IMAGE = "image";
    public static final String ORDER = "ASC";

    public static final String SQL_CREATE =
            "CREATE TABLE IF NOT EXISTS " + TABLE_SCOUTLOG + "(" +
                    COLUMN_ID + " integer primary key autoincrement, " +
                    COLUMN_TITLE + " text not null, " +
                    COLUMN_CONTENT + " text" +
                    COLUMN_IMAGE + " text);";

    public db_lexicon(Context context) {
        super(context, DB_NAME, null, DB_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL(SQL_CREATE);
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        db.execSQL("DROP TABLE IF EXISTS lexikon");

        this.onCreate(db);

    }

    private static final String[] COLUMNS = {COLUMN_ID,COLUMN_TITLE,COLUMN_CONTENT,COLUMN_IMAGE};

    public void addBegriff(Begriff begriff){
        Log.d("addBegriff", begriff.toString());

        // 1. Referenz zur Datenbank
        SQLiteDatabase db = this.getWritableDatabase();

        // 2. VALUES auslesen
        ContentValues values = new ContentValues();
        values.put(COLUMN_TITLE, begriff.getBegriffe());
        values.put(COLUMN_CONTENT, begriff.getBegriff_erklaerung());
        values.put(COLUMN_IMAGE, begriff.getImage());

        // 3. Einfügen
        db.insert(TABLE_SCOUTLOG,
                null,
                values);

        // 4. Close
        db.close();
    }

    public void getBegriff(int id){

    // 1. Reference zur Tablelle
        SQLiteDatabase db = this.getReadableDatabase();

    // 2. Abfrage Aufbauen
        Cursor cursor =
                db.query(TABLE_SCOUTLOG, // Tabelle
                        COLUMNS, // Spalten Name
                        " id = ?", // Selektion
                        new String[] { String.valueOf(id) }, // selektions Argument
                        null, //group by
                        null, //having
                        ORDER, //order by
                        null); //Limit

        // 3. Wenn Ergebniss vorhanden, auf erstes Zugreifen
        if(cursor != null)
            cursor.moveToFirst();

        // 4. Objekt erstellen
        Begriff begriff = new Begriff();
        begriff.setId(Integer.parseInt(cursor.getString(0)));
        begriff.setBegriffe(cursor.getString(1));
        begriff.setBegriff_erklaerung(cursor.getString(2));
        begriff.setImage(cursor.getString(3));

        Log.d("getBegriff("+id+")", begriff.toString());

        // 5. Ausgabe
        return begriff;
    }

}