从自定义单元类访问UITextFields文本到主VC类

Question

I have a custom cell that I created in the storyboard which is linked to a class called customCell . In it, I have UITextFields that are linked to customCell.h . The textField do have different tags for them.

Then there is a class called mainVC . That class is the class of the viewController

How can I get the textFields text in the mainVC class?

The easiest, but wrong way of doing it is like so:

CustomCell *myCell = [[CustomCell alloc] init];

The problem of doing this, is, it will create a new customCell , and therefore the textFields text will be a null.

Answer 1

You don't access the text field to get the text, you implement one of the UITextFieldDelegate (or UITextView, it's not clear which you have) methods in your view controller. In cellForRowAtIndexPath, set the controller (self) to be the delegate of the text field. You probably want to implement textFieldDidEndEditing: and textFieldShouldReturn:. After the keyboard is dismissed, textFieldDidEndEditing: will be called, and you can get the text inside that method. If you need to get the indexPath of the cell the text field was contained in, you can use the table view method, indexPathForRowAtPoint:, passing the text field's origin or center for the point argument.