iOS draw gesture Unlock password

The ability to unlock this gesture has actually been used more and more rarely. But depressed do not know why my company every time to do an app to the gesture to unlock plus ... So I studied the implementation of the gesture unlock page.

To implement this page, first talk about what you need to know:

• Basic use of Uipangesturerecognizer
• Cgrectcontainspoint (< #CGRect Rect#>, < #CGPoint point#>)
• Drawing of Uibezierpath Bezier curve
• DrawRect and layoutifneeded know when and how to use

As long as you master the four points above, it is easy to unlock the gesture. Above said beginners can own Google study, after learning to see my gesture to unlock code, should be very clear.

Source Address: Https://github.com/wqhiOS/WUGesturesToUnlock

iOS draw gesture Unlock password