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  4. Capturing Signatures on iOS

Capturing Signatures on iOS

Alex Curylo user avatar by
Alex Curylo
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May. 31, 13 · Interview
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this is a nifty little piece to bookmark just in case you ever need to do any nice smooth line capturing:

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.

687474703a2f2f7777772e6e656172696e66696e6974792e636f6d2f626c6f67732f6a61736f6e5f6861727769672f6173736574732f7369676e61747572652d6c65747465722d6a2d6f70656e676c2e706e67.png

handy if you ever need it!

h/t: maniacdev !

User experience application app GitHub Android (robot) Velocity (JavaScript library) Repository (version control) Brush Papers (software)

Published at DZone with permission of Alex Curylo, DZone MVB. See the original article here.

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