Description: A pop-up display Picker control, select learning IOS programming source code, a good reference.
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File list (Check if you may need any files):
PickerAlertView
PickerAlertView.xcodeproj
.........................\project.pbxproj
.........................\project.xcworkspace
.........................\...................\contents.xcworkspacedata
PickerAlertViewTests
....................\en.lproj
....................\........\InfoPlist.strings
....................\PickerAlertViewTests-Info.plist
....................\PickerAlertViewTests.h
....................\PickerAlertViewTests.m
...............\en.lproj
...............\........\InfoPlist.strings
...............\main.m
...............\PickerAlertView-Info.plist
...............\PickerAlertView-Prefix.pch
...............\PickerAlertView.h
...............\PickerAlertView.m
...............\PickerAlertViewAppDelegate.h
...............\PickerAlertViewAppDelegate.m
...............\PickerViewController.h
...............\PickerViewController.m