A small example, on tableViewSelectionDidChange' s, tableViewSelectionDidChange this function is not called, how else how to modify the source file as follows:

speakFinal
..........\.DS_Store
__MACOSX
........\speakFinal
........\..........\._.DS_Store
speakFinal\build
..........\.....\.DS_Store
__MACOSX\speakFinal\build
........\..........\.....\._.DS_Store
speakFinal\build\Debug
..........\.....\.....\.DS_Store
__MACOSX\speakFinal\build\Debug
........\..........\.....\.....\._.DS_Store
speakFinal\build\Debug\speakFinal.app
..........\.....\.....\..............\Contents
..........\.....\.....\..............\........\Info.plist
..........\.....\.....\..............\........\MacOS
..........\.....\.....\..............\........\.....\speakFinal
..........\.....\.....\..............\........\PkgInfo
..........\.....\.....\..............\........\Resources
..........\.....\.....\..............\........\.........\English.lproj
..........\.....\.....\..............\........\.........\.............\InfoPlist.strings
..........\.....\.....\..............\........\.........\.............\MainMenu.nib
..........\.....\speakFinal.build
..........\.....\................\Debug
..........\.....\................\.....\speakFinal.build
..........\.....\................\.....\................\build-state.dat
..........\.....\................\.....\................\build-state~.dat
..........\.....\................\.....\................\Objects-normal
..........\.....\................\.....\................\..............\x86_64
..........\.....\................\.....\................\..............\......\Final.o
..........\.....\................\.....\................\..............\......\main.o
..........\.....\................\.....\................\..............\......\speakFinal.LinkFileList
..........\.....\................\.....\................\..............\......\speakFinalAppDelegate.o
..........\.....\................\.....\................\speakFinal-all-target-headers.hmap
..........\.....\................\.....\................\speakFinal-generated-files.hmap
..........\.....\................\.....\................\speakFinal-own-target-headers.hmap
..........\.....\................\.....\................\speakFinal-project-headers.hmap
..........\.....\................\.....\................\speakFinal.dep
..........\.....\................\.....\................\speakFinal.hmap
..........\.....\................\.....\................\speakFinal~.dep
..........\.....\................\speakFinal.pbxindex
..........\.....\................\...................\categories.pbxbtree
..........\.....\................\...................\cdecls.pbxbtree
..........\.....\................\...................\decls.pbxbtree
..........\.....\................\...................\files.pbxbtree
..........\.....\................\...................\imports.pbxbtree
..........\.....\................\...................\pbxindex.header
..........\.....\................\...................\protocols.pbxbtree
..........\.....\................\...................\refs.pbxbtree
..........\.....\................\...................\strings.pbxstrings
..........\.....\................\...................\..................\control
..........\.....\................\...................\..................\strings
..........\.....\................\...................\subclasses.pbxbtree
..........\.....\................\...................\symbols0.pbxsymbols
__MACOSX\speakFinal\build\speakFinal.build
........\..........\.....\................\._speakFinal.pbxindex
........\..........\.....\._speakFinal.build
........\..........\._build
speakFinal\English.lproj
..........\.............\InfoPlist.strings
..........\.............\MainMenu.xib
..........\Final.h
__MACOSX\speakFinal\._Final.h
speakFinal\Final.m
__MACOSX\speakFinal\._Final.m
speakFinal\main.m
..........\speakFinal-Info.plist
..........\speakFinal.xcodeproj
..........\....................\project.pbxproj
..........\....................\zhb.mode1v3
..........\....................\zhb.pbxuser
..........\speakFinal_Prefix.pch
..........\speakFinalAppDelegate.h
..........\speakFinalAppDelegate.m

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