Hilfe ListView <-> SimpleCursorAdapter

package com.ag88.ListViewDB;


import android.app.Activity;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.os.Bundle;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;

public class ListViewDB extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
    	
        ListView listView = (ListView)findViewById(R.id.listView1);
    	
    	super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        //Database stuff
        SQLiteDatabase db = openOrCreateDatabase("mydb.db", SQLiteDatabase.CREATE_IF_NECESSARY, null);
        myDBHelper helper1 = new myDBHelper(this);
        helper1.getWritableDatabase();
        
        ContentValues value = new ContentValues();
        value.put("NAME","BANANEN");
        value.put("POINTS", 100);
        value.put("CHECKED", 1);
        db.insert("mytab", null, value);
        //db.close();
        boolean foo = db.isOpen();
        
        Cursor cursor = db.query("mytab", new String[] {"_id","NAME"}, null, null, null, null, null);
        int test = cursor.getCount();
        
        startManagingCursor(cursor);
        
        String[] from = new String [] {"_id"};
        int[] to = new int[] {android.R.id.text1};
        
        SimpleCursorAdapter ladp = new SimpleCursorAdapter(this, android.R.layout.simple_list_item_1, cursor,from ,to );
        
        listView.setAdapter(ladp);
        
        
    }
    
    public class myDBHelper extends SQLiteOpenHelper{

    	private static final String DATABASE_NAME = "mydb.db";
        private static final int DATABASE_VERSION = 1;
        private static final String TABLE_NAME = "mytab";
        private static final String TABLE_CREATE =
                    "CREATE TABLE " + TABLE_NAME +" (_id INTEGER PRIMARY KEY AUTOINCREMENT, NAME TEXT, CHECKED INTEGER, POINTS INTEGER);";
    	
        myDBHelper(Context context){
    		super(context, DATABASE_NAME, null, DATABASE_VERSION);
    	}
        
    	@Override
    	public void onCreate(SQLiteDatabase db) {
    		db.execSQL(TABLE_CREATE);
    	}

    	@Override
    	public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {}
    }
}