ex02.java

Google Android应用框架原理与程序设计 第三版(中文高清PDF)高焕堂

package com.misoo.ex02;

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

public class ex02 extends Activity implements OnClickListener {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);
        Button btn = (Button)findViewById(R.id.button);
        Button btn2 = (Button)findViewById(R.id.button2);
        btn.setOnClickListener(this);
        btn2.setOnClickListener(this);
      }

	public void onClick(View arg0) {
		// TODO Auto-generated method stub
		switch (arg0.getId()) {
		case R.id.button:
			setTitle("this is OK button");
		    break;
		case R.id.button2:
			this.finish();
			break;
		}
	}
}