建立按鈕事件程序教學

package com.example.hello;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class HelloActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button=(Button) findViewById(R.id.Button01);
button.setOnClickListener(new OnClickListener(){

public void onClick(View arg0) {
// TODO Auto-generated method stub
setTitle("test");
}

});
}
}