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Capture a Signature on iOS
The Square Engineering Blog has a great article on Smoother Signatures for Android, but I didn’t find anything specifically about iOS. So, what is the best way to capture a users signature on an iOS device?
Although I didn’t find any articles on signature capture, there are good implementations on the App Store. My target user experience was the iPad application Paper by 53, a drawing application with beautiful and responsive brushes.
All code is available in the Github repository: SignatureDemo…
… Here is an example of the final output using quadratic bézier curves, and velocity based stroke thickness creating a visually appealing and natural signature.
Handy if you ever need it!
h/t: ManiacDev!
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