Hy! I load data from my Db and I will show it in a

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Asked: May 26, 20262026-05-26T00:48:45+00:00 2026-05-26T00:48:45+00:00

Hy! I load data from my Db and I will show it in a

0

Hy! I load data from my Db and I will show it in a ListView. Tha problem is that no item is shown. The Listcount is 1. The list gets the data from the db. No error occures. I have no idea why.

Code:

public class Main extends Activity {
    private ListView lv;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        lv = ((ListView)findViewById(R.id.list));
        Log.e("XXX List View",lv.toString());
        onCreateDBAndDBTabled();            
    }

    private void onCreateDBAndDBTabled() {
        myDB = this.openOrCreateDatabase(MY_DB_NAME, MODE_PRIVATE, null);
        myDB.execSQL("CREATE TABLE IF NOT EXISTS " + MY_DB_TABLE
                + " (_id integer primary key autoincrement, name varchar(100), rate integer(1), eattime datetime)"
                +";");

        List<String> list = new ArrayList<String>();
        Cursor cursor = this.myDB.query(MY_DB_TABLE, new String[] { "name" }, null, null, null, null, null, null);

        if (cursor.moveToFirst()) {
            do {
                Log.e("XXX", "Courser Enter: " + cursor.getString(0));
                list.add(cursor.getString(0)); 
            } while (cursor.moveToNext());
        }

        if (cursor != null && !cursor.isClosed()) {
            cursor.close();
        }

        Log.e("XXX", "Coung:" + list.size());

        ArrayAdapter<String> aa = new ArrayAdapter<String>(Main.this, android.R.layout.simple_list_item_1, list);
        lv.setAdapter(aa);
    }
}

Log:

09-23 08:49:30.030: ERROR/XXX(6673): Start
09-23 08:49:30.030: ERROR/XXX List View(6673): android.widget.ListView@43d13918
09-23 08:49:30.080: ERROR/XXX(6673): Courser Enter: EditText
09-23 08:49:30.090: ERROR/XXX(6673): Coung:1

Please help