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IOS Technical Test MCQs

Which of the following is the correct way to transfer data from one view controller to another?

EditingViewController *controller = [[EditingViewController alloc] initWithNibName:@"EditingView" bundle:nil]; controller.editedObject = book; ... [self.navigationController pushViewController:controller animated:YES]; [controller release]; In the Editing View (EditingViewController): - (IBAction)save { ... [editedObject setValue:datePicker.date forKey:editedFieldKey]; [editedObject setValue:textField.text forKey:editedFieldKey]; } [self.navigationController popViewControllerAnimated:YES]; }

NSString *commString; in appDelegate. And then when you submit the uitextfield value just assign that text field value to the appDelegate.commString use this in the next view. ProjectNameAppDelegate *appDelegate = [[UIApplication sharedApplicatoin] delegate]; appDelegate.commString = textField.text;

Both 1 and 2 methods are correct.

None of above are correct.

Answer

Correct Answer: NSString *commString; in appDelegate. And then when you submit the uitextfield value just assign that text field value to the appDelegate.commString use this in the next view. ProjectNameAppDelegate *appDelegate = [[UIApplication sharedApplicatoin] delegate]; appDelegate.commString = textField.text;

Explanation:

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