Description: Simple flip around in Xcode (Code full)，Suitable for beginners, here four, for example, of course, can add a loop to reduce the code
To Search:
File list (Check if you may need any files):
TurnPage
........\.DS_Store
__MACOSX
........\TurnPage
........\........\._.DS_Store
TurnPage\1.jpg
__MACOSX\TurnPage\._1.jpg
TurnPage\2.jpg
__MACOSX\TurnPage\._2.jpg
TurnPage\3.jpg
__MACOSX\TurnPage\._3.jpg
TurnPage\4.jpg
__MACOSX\TurnPage\._4.jpg
TurnPage\build
........\.....\Debug-iphonesimulator
........\.....\.....................\TurnPage.app
........\.....\.....................\............\1.jpg
........\.....\.....................\............\2.jpg
........\.....\.....................\............\3.jpg
........\.....\.....................\............\4.jpg
........\.....\.....................\............\Info.plist
........\.....\.....................\............\MainWindow.nib
........\.....\.....................\............\PkgInfo
........\.....\.....................\............\TurnPage
........\.....\.....................\............\TurnPageViewController.nib
........\.....\.....................\TurnPage.app.dSYM
........\.....\.....................\.................\Contents
........\.....\.....................\.................\........\Info.plist
........\.....\.....................\.................\........\Resources
........\.....\.....................\.................\........\.........\DWARF
........\.....\.....................\.................\........\.........\.....\TurnPage
........\.....\TurnPage.build
........\.....\..............\Debug-iphonesimulator
........\.....\..............\.....................\TurnPage.build
........\.....\..............\.....................\..............\build-state.dat
........\.....\..............\.....................\..............\build-state~.dat
........\.....\..............\.....................\..............\Objects-normal
........\.....\..............\.....................\..............\..............\i386
........\.....\..............\.....................\..............\..............\....\main.o
........\.....\..............\.....................\..............\..............\....\TurnPage.LinkFileList
........\.....\..............\.....................\..............\..............\....\TurnPageAppDelegate.o
........\.....\..............\.....................\..............\..............\....\TurnPageViewController.o
........\.....\..............\.....................\..............\..............\....\TurnPageViewController.o~$
........\.....\..............\.....................\..............\..............\....\TurnPageViewController.o~>
........\.....\..............\.....................\..............\..............\....\TurnPageViewController.o~?
........\.....\..............\.....................\..............\TurnPage-all-target-headers.hmap
........\.....\..............\.....................\..............\TurnPage-generated-files.hmap
........\.....\..............\.....................\..............\TurnPage-own-target-headers.hmap
........\.....\..............\.....................\..............\TurnPage-project-headers.hmap
........\.....\..............\.....................\..............\TurnPage.dep
........\.....\..............\.....................\..............\TurnPage.hmap
........\.....\..............\.....................\..............\TurnPage~.dep
........\.....\..............\TurnPage.pbxindex
........\.....\..............\.................\categories.pbxbtree
........\.....\..............\.................\cdecls.pbxbtree
........\.....\..............\.................\decls.pbxbtree
........\.....\..............\.................\files.pbxbtree
........\.....\..............\.................\imports.pbxbtree
........\.....\..............\.................\pbxindex.header
........\.....\..............\.................\protocols.pbxbtree
........\.....\..............\.................\refs.pbxbtree
........\.....\..............\.................\strings.pbxstrings
........\.....\..............\.................\..................\control
........\.....\..............\.................\..................\strings
........\.....\..............\.................\subclasses.pbxbtree
........\.....\.............
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