For the iOS tab bar controller, select learning IOS programming source code, a good reference.

.gitignore
.gitmodules
Demo
....\Classes
....\.......\AppDelegate.h
....\.......\AppDelegate.m
....\.......\en.lproj
....\.......\........\InfoPlist.strings
....\.......\FifthViewController.h
....\.......\FifthViewController.m
....\.......\FirstViewController.h
....\.......\FirstViewController.m
....\.......\FourthViewController.h
....\.......\FourthViewController.m
....\.......\JBTabBarController-Info.plist
....\.......\JBTabBarController-Prefix.pch
....\.......\main.m
....\.......\SecondViewController.h
....\.......\SecondViewController.m
....\.......\ThirdViewController.h
....\.......\ThirdViewController.m
....\Extras
....\......\At.png
....\......\At.svg
....\......\Brain.png
....\......\Brain.svg
....\......\Elephant.png
....\......\Elephant.svg
....\......\Fist.png
....\......\Fist.svg
....\......\iOSTabBarItemImageLayerStyles.asl
....\......\Levitate.png
....\......\Levitate.svg
....\JBTabBarControllerExample.xcodeproj
....\...................................\project.pbxproj
....\...................................\project.xcworkspace
....\...................................\...................\contents.xcworkspacedata
....\Resources
....\.........\Icons
....\.........\.....\At
....\.........\.....\..\At-selected.png
....\.........\.....\..\At-selected@2x.png
....\.........\.....\..\At-unselected.png
....\.........\.....\..\At-unselected@2x.png
....\.........\.....\Brain
....\.........\.....\.....\Brain-selected.png
....\.........\.....\.....\Brain-selected@2x.png
....\.........\.....\.....\Brain-unselected.png
....\.........\.....\.....\Brain-unselected@2x.png
....\.........\.....\Elephant
....\.........\.....\........\Elephant-selected.png
....\.........\.....\........\Elephant-selected@2x.png
....\.........\.....\........\Elephant-unselected.png
....\.........\.....\........\Elephant-unselected@2x.png
....\.........\.....\Fist
....\.........\.....\....\Fist-selected.png
....\.........\.....\....\Fist-selected@2x.png
....\.........\.....\....\Fist-unselected.png
....\.........\.....\....\Fist-unselected@2x.png
....\.........\.....\Levitate
....\.........\.....\........\Levitate-selected.png
....\.........\.....\........\Levitate-selected@2x.png
....\.........\.....\........\Levitate-unselected.png
....\.........\.....\........\Levitate-unselected@2x.png
JBTabBarController
JBTabBarController.podspec
..................\JBTab.h
..................\JBTab.m
..................\JBTabBar.h
..................\JBTabBar.m
..................\JBTabBarController+ConvenienceMethods.h
..................\JBTabBarController.bundle
..................\.........................\bg-selected.png
..................\.........................\bg-selected@2x.png
..................\.........................\bg.png
..................\.........................\bg@2x.png
..................\JBTabBarController.h
..................\JBTabBarController.m
..................\UINavigationController+JBAdditions.h
..................\UINavigationController+JBAdditions.m
..................\UITabBarItem+JBAdditions.h
..................\UITabBarItem+JBAdditions.m
..................\UIViewController+JBAdditions.h
..................\UIViewController+JBAdditions.m
JRSwizzle
README.md

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