TableLayout的动态添加和删除

AndroidTestActivity.java

package zjftools.android.test;
import android.app.*;
import android.os.*;
import android.view.*;
import android.widget.*;
public class AndroidTestActivity extends Activity
{  
    private TableLayout tableLayout;
    private Button btnAdd;
    private int num = 0;
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        this.setContentView(R.layout.main);
        tableLayout = (TableLayout) this.findViewById(R.id.tableLayout);
        btnAdd = (Button) this.findViewById(R.id.btnAdd);
        btnAdd.setOnClickListener(new View.OnClickListener()
            {
                @Override
                public void onClick(View view)
                {
                    addRow();
                    num++;
                }
            });
    }
    private void addRow()
    {
        TableRow tableRow = new TableRow(this);
        TextView textView = new TextView(this);
        Button button = new Button(this);
        textView.setText(String.valueOf(num));
        button.setText("删除");
        button.setOnClickListener(new View.OnClickListener()
            {  
                @Override
                public void onClick(View view)
                {
                    TableRow tableRow = (TableRow) view.getParent();
                    tableLayout.removeView(tableRow);
                }
            });
        tableRow.addView(textView);
        tableRow.addView(button);
        tableLayout.addView(tableRow);
    }
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
    <TableLayout
        android:layout_width="fill_parent"
        android:layout_height="0dip"
        android:layout_weight="1"
        android:stretchColumns="0"
        android:id="@+id/tableLayout" >       
    </TableLayout>
    <Button
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="add"
        android:id="@+id/btnAdd" />
</LinearLayout>