文件名称:AlternateViews
介绍说明－－下载内容均来自于网络，请自行研究使用
ios 官方 sdk的例子 下载下来 便于学习，有需要的朋友可以先看看，看压缩包名称 就知道是什么控件了。-examples of the ios official sdk download easy to learn, a friend in need can take a look to see compressed package name to know is what controls.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
AlternateViews
..............\AlternateViews.xcodeproj
..............\........................\project.pbxproj
..............\AppDelegate.h
..............\AppDelegate.m
..............\en.lproj
..............\........\LandscapeView.xib
..............\........\MainWindow.xib
..............\........\PortraitView.xib
..............\images
..............\......\Icon-72.png
..............\......\Icon-Small-50.png
..............\......\Icon-Small.png
..............\......\Icon-Small@2x.png
..............\......\Icon.png
..............\......\Icon@2x.png
..............\......\iTunesArtwork
..............\Info.plist
..............\LandscapeViewController.h
..............\LandscapeViewController.m
..............\main.m
..............\PortraitViewController.h
..............\PortraitViewController.m
..............\Prefix.pch
..............\ReadMe.txt
..............\AlternateViews.xcodeproj
..............\........................\project.pbxproj
..............\AppDelegate.h
..............\AppDelegate.m
..............\en.lproj
..............\........\LandscapeView.xib
..............\........\MainWindow.xib
..............\........\PortraitView.xib
..............\images
..............\......\Icon-72.png
..............\......\Icon-Small-50.png
..............\......\Icon-Small.png
..............\......\Icon-Small@2x.png
..............\......\Icon.png
..............\......\Icon@2x.png
..............\......\iTunesArtwork
..............\Info.plist
..............\LandscapeViewController.h
..............\LandscapeViewController.m
..............\main.m
..............\PortraitViewController.h
..............\PortraitViewController.m
..............\Prefix.pch
..............\ReadMe.txt