I’ve mentioned a component for creating a passcode screen styled after the older iOS passcode screen and an Android style pattern to unlock component.
Here’s a component called LTHPasscodeViewController from Roland Leth allowing you to easily display an iOS 7 style passcode screen within your apps.
The component alerts the user on failed attempts, and incorrect passcodes, places the set code within the keychain, and is created to work properly within multithreaded apps.
Here’s an image showing LTHPasscodeViewController in action:
A very nice passcode component.
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