How to create a Dot Lock Screen in iOS application? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 11 years ago.

i want to create a Dot Lock Screen in my application similar to present in Android.

This lock screen should remember the previous movement of my finger so that if i perform the same movement again then it show the success message.

How can i do this?

I开发者_StackOverflow中文版s there any opensource application available for this?