I am a newbie in IOS, I found an example about create and show a UIPickerView in the bottom and above some views in this ... link...
but I have no idea to make it
Could anyone tell me how to achieve it?
Any help would be appreciate
Use ActionSheetPicker from Gihub. its exactly solve your problem.
here link https://github.com/skywinder/ActionSheetPicker-3.0