August 2015
Intermediate to advanced
246 pages
4h 21m
English
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Recording gestures
A gesture is a particular succession of touches, which we will give some special significance to. Kivy eases the way to handle gestures.
Getting ready
In this recipe, we will use some predefined graphics in the Kivy framework just to highlight the gesture, and you do not need any further knowledge about it. Also, we have a predefined gesture that is provided in this recipe to you.
How to do it…
In this recipe, we have the next steps:
- Call the gesture database.
- Make a method to categorize the gesture.
- Set a marker for the initial touch.
- Record the touch.
- Do the comparison with the predefined gesture.
- Print the result:
from kivy.app import App from kivy.uix.widget import Widget from kivy.uix.button import Button from kivy.graphics import ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.