How do you change the UIControl with focus on iPhone?

Question

I am trying to do something I thought would be simple.

I have a form with two UITextFields on it. I am using the UIReturnKeyNext style on the first. The idea is that when the user fills in the first field, they click Next and I transition them to the next UITextField. I've seen other apps that do this and it works really well. But I cannot figure out how to set the focus to the next field.

Answer 1

Simple. send a becomeFirstResponder message to your other textfield. When the other textfield accepts first responder status, it will receive the information from the keyboard.

For Example:

//called when the next button is pressed
//Assume textField1, 2, and 3 are instances of UITextField
-(IBAction) nextPressed: (id) sender {
      if ([textField1 isFirstResponder]) {
         [textField2 becomeFirstResponder];
      }
      if ([textField2 isFirstResponder]) {
         [textField3 becomeFirstResponder];
      }

}