I\'ve followed the instructions here and succesfully set up a UITextField that gets updated with a UIDatePicker. However the cursor in the UITextField is blinking, which see
I hope it will helpful to you.
Set Cursor UIColor -> Empty.
[[self.textField valueForKey:@"textInputTraits"] setValue:[UIColor clearColor] forKey:@"insertionPointColor"];
In Swift : 2.3
self.textField.valueForKey("textInputTraits")?.setValue(UIColor.clearColor() , forKey:"insertionPointColor")