痞客興的部落格

package com.example.btnlistener;

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

public class MainActivity extends Activity {
TextView tv;
Button bt1;
Button bt2;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
setContentView(ll);

tv = new TextView(this);
tv.setText("歡迎光臨。");
bt1 = new Button(this);
bt1.setText("購買");
bt2 = new Button(this);
bt2.setText("取消購買");

ll.addView(tv);
ll.addView(bt1);
ll.addView(bt2);

bt1.setOnClickListener(new SampleClickListener1());
bt2.setOnClickListener(new SampleClickListener2());
}

class SampleClickListener1 implements OnClickListener
{
public void onClick(View v)
{
tv.setText("謝謝惠顧。");
}
}

class SampleClickListener2 implements OnClickListener
{
public void onClick(View v)
{
tv.setText("你是奧客。");
}
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}