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��<?xml version='1.0' encoding='utf-8'?>

��<LinearLayout xmlns:android='/apk/res/android'

��android

rientation='vertical'

��android:layout_Width��/span>='fill_parent'

��android:layout_Height��/span>='fill_parent'

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��<TextView

��android:layout_Width��/span>='fill_parent'

��android:layout_Height��/span>='180dp'

��android:text='@string/default_message'

��android:id='@+id/hellotextView' android:textColor='#00ff00' android:gravity='center'/>

��<Button

��android:layout_Width��/span>='wrap_content'

��android:layout_Height��/span>='wrap_content'

��android:text='@string/button_send'

��android:id='@+id/hellobutton' android:layout_gravity='center'/>

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��<?xml version='1.0' encoding='utf-8'?>

��<resources>

��<string name='app_name'>helloandroid by hiwanz</string>

��<string name='button_send'>Say something</string>

��<string name='default_message'>Click button below!</string>

��<string name='interact_message'>You just clicked on the Button!</string>

��</resources>

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��package com.example.helloandroid;

��import android.app.Activity;

��import android.os.Bundle;

��import android.view.View;

��import android.widget.Button;

��import android.widget.TextView;

��import android.widget.Toast;

��public class MyActivity extends Activity {

��@Override

��public void onCreate(Bundle savedInstanceState) {

��super.onCreate(savedInstanceState);

��setContentView(R.layout.main);

��//�õ��ťʵ��

��Button hellobtn = (Button)findViewById(R.id.hellobutton);

��//��ü��ť��¼�

��hellobtn.setOnClickListener(new View.OnClickListener() {

��@Override

��public void onClick(View v) {

��//�õ�textviewʵ��

��TextView hellotv = (TextView)findViewById(R.id.hellotextView);

��//��Toast��ʾ��ť��

��Toast.makeText(MyActivity.this,'Clicked',Toast.LENGTH_SHORT).show();

��//��ȡstrings.xml��interact_message��Ϣ��д��textview��

��hellotv.setText(R.string.interact_message);

��}

��});

��}

��}

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