This is a custom drop-down selection box, when I do a project reference others

fanyuanheng-AFPickerView-fbb2da8
................................\.gitignore
................................\AFPickerView.podspec
................................\PickerView.xcodeproj
................................\....................\project.pbxproj
................................\PickerView
................................\..........\AFPickerView
................................\..........\............\AFPickerView.h
................................\..........\............\AFPickerView.m
................................\..........\AppDelegate.h
................................\..........\AppDelegate.m
................................\..........\PickerView-Info.plist
................................\..........\PickerView-Prefix.pch
................................\..........\Resources
................................\..........\.........\PickerBG.png
................................\..........\.........\PickerBG@2x.png
................................\..........\.........\PickerShadow.png
................................\..........\.........\PickerShadow@2x.png
................................\..........\.........\pickerGlass.png
................................\..........\.........\pickerGlass@2x.png
................................\..........\ViewController.h
................................\..........\ViewController.m
................................\..........\en.lproj
................................\..........\........\InfoPlist.strings
................................\..........\........\ViewController.xib
................................\..........\main.m
................................\README.md

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