TableLayout动态添加和删除行

main.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas./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>

========================

MainActivity.java:

package com.example.lzd.myapplication;

import android.app.*;
import android.os.*;
import android.view.*;
import android.widget.*;

public class MainActivity extends AppCompatActivity {
    private TableLayout tableLayout;
    private Button btnAdd;
    private int num = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_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);
    }
}