How can I programmatically assign focus to a specific UITextField in a view? I have several fields and on view display, I'd like to put the cursor on a specific field, not the first one at top.
Alexi Groove
Try doing this in viewWillAppear:
[desiredField becomeFirstResponder];
By making the field the first responder, it have focus and the keyboard will be displayed.
Set the first responder for your view to be the text field. This can be done in IB.
来源：https://stackoverflow.com/questions/1014999/uitextfield-focus