Android hello world example 展示了开发Android几个过程：

开发环境需要：JDK 1.6

Eclipse IDE 3.7 , Indigo

Android SDK

1.安装Install Android SDK

2.安装Install ADT Eclipse plugin

在Eclipse的Help->Install New Software,输入https://dl-ssl.google.com/android/eclipse/

3.创建Create an Android Virtual Device (AVD)

在Eclipse工具条选择Android Virtual Device (AVD)，点按new创建一个AVD。

4.创建Create Android Project with Eclipse (Wizard)

在Eclipse中File -> New -> Project….”, “Android Project“

5.编码Code it…

HelloWorldActivity.java

import android.app.Activity;

import android.os.Bundle;

import android.widget.TextView;

public class HelloWorldActivity extends Activity {

/** Called when the activity is first created. */@[author]Override[/author]

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

TextView text = new TextView(this);

text.setText("Hello World, Android - mkyong.com");

setContentView(text);

}

}

6.运行Start it in Android Virtual Device (AVD)

案例源码下载：