Problem mit dem Includieren eines Layouts während der Laufzeit

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent">
  <TableLayout
    android:id="@+id/tableLayout1"
    android:layout_height="wrap_content"
    android:layout_width="fill_parent">
    <TableRow
      android:paddingLeft="15px"
      android:id="@+id/tableRow4"
      android:layout_height="wrap_content"
      android:layout_width="wrap_content">
      <TextView
        android:text="@string/textSpalte1"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:id="@+id/textView1">
      </TextView>
      <TextView
        android:text="@string/textSpalte2"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:id="@+id/textView2">
      </TextView>
    </TableRow>
    <include android:layout_height="wrap_content" layout="@layout/neue_zeile" android:id="@+id/include1" android:layout_width="wrap_content"></include>
  </TableLayout>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<TableRow
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/neueZeile1"
  style="@style/style_neue_zeile">
  <EditText
    android:id="@+id/editText1"
    style="@style/style_spalte1"
    android:inputType="number">
  </EditText>
  <EditText
    android:id="@+id/editText2"
    style="@style/style_spalte2">
  </EditText>
</TableRow>

protected void addNeueZeile() {
  TableLayout table = (TableLayout) findViewById(R.id.tableLayout1);
  TableRow tr = (TableRow) findViewById(R.id.neueZeile1);
  table.addView(tr);
}