パスコードロックのライブラリ

THPinViewControllerを使うとiOS 7 Styleのパスコードロックが簡単にできます。

Github

https://github.com/antiraum/THPinViewController

Podfile

cocoapodsにも対応しています。

pod 'THPinViewController', '~> 1.1.2'

Screenshot

Usage

pinViewController.backgroundColor = [UIColor lightGrayColor];
pinViewController.promptTitle = @"Enter PIN";
pinViewController.promptColor = [UIColor whiteColor];
pinViewController.view.tintColor = [UIColor whiteColor];
pinViewController.hideLetters = YES;
[self presentViewController:pinViewController animated:YES completion:nil];

// mandatory delegate methods

- (NSUInteger)pinLengthForPinViewController:(THPinViewController *)pinViewController
{
    return 4;
}

- (BOOL)pinViewController:(THPinViewController *)pinViewController isPinValid:(NSString *)pin
{
    if ([pin isEqualToString:self.correctPin]) {
        return YES;
    } else {
        self.remainingPinEntries--;
        return NO;
    }
}

- (BOOL)userCanRetryInPinViewController:(THPinViewController *)pinViewController
{
    return (self.remainingPinEntries > 0);
}

// optional delegate methods

- (void)incorrectPinEnteredInPinViewController:(THPinViewController *)pinViewController {}
- (void)pinViewControllerWillDismissAfterPinEntryWasSuccessful:(THPinViewController *)pinViewController {}
- (void)pinViewControllerDidDismissAfterPinEntryWasSuccessful:(THPinViewController *)pinViewController {}
- (void)pinViewControllerWillDismissAfterPinEntryWasUnsuccessful:(THPinViewController *)pinViewController {}
- (void)pinViewControllerDidDismissAfterPinEntryWasUnsuccessful:(THPinViewController *)pinViewController {}
- (void)pinViewControllerWillDismissAfterPinEntryWasCancelled:(THPinViewController *)pinViewController {}
- (void)pinViewControllerDidDismissAfterPinEntryWasCancelled:(THPinViewController *)pinViewController {}