本源码实现了Android 3的最新特性的实列，有想需要Android 3并不知道从哪里学起的人，可以下去运行起来看效果后再去看代码，这样有处你更好的去掌握与学习相关。
源码下载地址：
相关文件下载地址在Linux公社的1号FTP服务器里，下载地址：
密码：www.muu.cc
在 2011年LinuxIDC.com\8月\Android 3新特性+源码实现
下载方法见这里 http://www.linuxidc.net/thread-1187-1-1.html
项目源码：
package com.jsd.demo;
import android.app.ActivityGroup;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
public class MainActivity extends ActivityGroup {
private Button calendarView,numberPicker,stackVIew,adaViewAnim,popMenu,searchView,notifications;
private LinearLayout content;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
findViewById();
}
private void findViewById(){
content = (LinearLayout) findViewById(R.id.content);
calendarView = (Button) findViewById(R.id.calendarView);
calendarView.setOnClickListener(listener);
numberPicker = (Button) findViewById(R.id.numberPicker);
numberPicker.setOnClickListener(listener);
stackVIew = (Button) findViewById(R.id.stackView);
stackVIew.setOnClickListener(listener);
adaViewAnim = (Button) findViewById(R.id.adaViewAnim);
adaViewAnim.setOnClickListener(listener);
popMenu = (Button) findViewById(R.id.popMenu);
popMenu.setOnClickListener(listener);
searchView = (Button) findViewById(R.id.searchView);
searchView.setOnClickListener(listener);
notifications = (Button) findViewById(R.id.notifications);
notifications.setOnClickListener(listener);
}
private OnClickListener listener = new OnClickListener() {
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.calendarView:
content.removeAllViews();
content.addView(getLocalActivityManager().startActivity("calendarView", new Intent(MainActivity.this,CalendarActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
break;
case R.id.numberPicker:
content.removeAllViews();
content.addView(getLocalActivityManager().startActivity("numberPicker", new Intent(MainActivity.this,NumberPickerActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
break;
case R.id.stackView:
content.removeAllViews();
content.addView(getLocalActivityManager().startActivity("stackView", new Intent(MainActivity.this,StackViewActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
break;
case R.id.adaViewAnim:
content.removeAllViews();
content.addView(getLocalActivityManager().startActivity("AdapVIewAnimation", new Intent(MainActivity.this,AdapVIewAnimation.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
break;
case R.id.popMenu:
content.removeAllViews();
content.addView(getLocalActivityManager().startActivity("popMenu", new Intent(MainActivity.this,PopMenuActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView());
break;
case R.id.searchView:
content.removeAllViews();
content.addView(getLocalActivityManager().startActivity("se