StackOverflow2013

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2013-03-27T08:45:54.890
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2013-03-27T08:51:11.710
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2013-03-27T08:51:11.710
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Body
I'd be remiss if I didn't mention that enabling a login button only when the correct username and passwords are entered is probably not the best idea from a security standpoint. However, if that is what you want to do: // StudentLogInViewController.h <pre><code>// Conform the UITextFieldDelegate @interface StudentLogInViewController <UITextFieldDelegate> @end </code></pre> // StudentLogInViewController.m <pre><code>#import "StudentLogInViewController.h" @interface StudentLogInViewController () @end @implementation StudentLogInViewController -(void)viewDidLoad { [super viewDidLoad]; UsernameText.delegate = self; PasswordText.delegate = self; } // This is a UITextFieldDelegate method - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { // The text field will not be updated to the newest text yet, but we know what the user just did so get it into a string NSString *newString = [textField.text stringByReplacingCharactersInRange:range withString:string]; // Depending on which field the user is typing in, load in the appropriate inputs NSString *username, *password; if (textField == UsernameField) { username = newString; password = PasswordField.text; } else { username = UsernameField.text; password = newString; } // If both the username and password are correct then enable the button LoginButton.enabled = ([username isEqualToString:@"correctUsername"] && [password isEqualToString:@"correctPassword"]); // Return YES so that the user's edits are used return YES; } @end </code></pre>
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1. This table or related slice is empty.
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1. POenabling a UIButton to function through if/else statements in a log in
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1. PTAnswer
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1. USJosh Hudnall
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1. USJosh Hudnall
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1. POenabling a UIButton to function through if/else statements in a log in
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1. VO
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