a deocode to use at iOS ，that learn how use oc controller

AirQuality-master
.................\.DS_Store
.................\AirQuality.xcodeproj
.................\....................\project.pbxproj
.................\....................\project.xcworkspace
.................\....................\...................\contents.xcworkspacedata
.................\....................\...................\xcuserdata
.................\....................\...................\..........\wenhao.xcuserdatad
.................\....................\...................\..........\..................\UserInterfaceState.xcuserstate
.................\....................\xcuserdata
.................\....................\..........\wenhao.xcuserdatad
.................\....................\..........\..................\xcdebugger
.................\....................\..........\..................\..........\Breakpoints.xcbkptlist
.................\....................\..........\..................\xcschemes
.................\....................\..........\..................\.........\AirQuality.xcscheme
.................\....................\..........\..................\.........\xcschememanagement.plist
.................\AirQuality
.................\..........\.DS_Store
.................\..........\AirQuality-Info.plist
.................\..........\AirQuality-Prefix.pch
.................\..........\AirQuality.app
.................\..........\..............\Contents
.................\..........\..............\........\Info.plist
.................\..........\..............\........\MacOS
.................\..........\..............\........\.....\AirQuality
.................\..........\..............\........\PkgInfo
.................\..........\..............\........\Resources
.................\..........\..............\........\.........\en.lproj
.................\..........\..............\........\.........\........\Credits.rtf
.................\..........\..............\........\.........\........\InfoPlist.strings
.................\..........\..............\........\.........\........\MainMenu.nib
.................\..........\..............\........\.........\logo.icns
.................\..........\AppDelegate.h
.................\..........\AppDelegate.m
.................\..........\ThreadJobs.h
.................\..........\ThreadJobs.m
.................\..........\ValueHelper.h
.................\..........\ValueHelper.m
.................\..........\en.lproj
.................\..........\........\Credits.rtf
.................\..........\........\InfoPlist.strings
.................\..........\........\MainMenu.xib
.................\..........\main.m
.................\logo.icns
.................\logo.png

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