Add custom picker sort of controller on UINavigationBar

Please have a look on this application

http://itunes.apple.com/app/yowza-mobile-coupons/id3120218开发者_JAVA技巧77?mt=8

I just want to add custom picker sort of controller on UINavigationBar

Please suggest any sample or ideas

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There are some contextual menus that might work for you in this:

http://mdk.mobilelove.org/home/

they are in .psd format so you'd have to slice them out and customize to your use, but it might get you where you wanna be. hope it helps! jen :)

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Check this How to Add Custom UIPickerView to UINavigationBar?

It is from the creator of your example App and here is how to do it thanks to "Mountain Lion"

[self.navigationController.navigationBar.topItem setTitleView:pickerView];