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How To Make A Simple Drawing App with UIKit

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This is a blog post by iOS Tutorial Team member Abdul Azeem, software architect and co-founder at Datainvent Systems, a software development and IT services company. At some stage in all of our lives, we enjoyed drawing pictures, cartoons, and other stuff. For me it was using a pen and paper when I was growing […]

This is a companion discussion topic for the original entry at https://www.raywenderlich.com/2862-how-to-make-a-simple-drawing-app-with-uikit
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thanks, Very Helpful…!

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Sir how to use Undo/Redo operation in this project

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And also How to detect Black outline on image during drawing

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Hi Sir, Can you Please share this tutorial in swift. Because i am new to swift and searching tutorial same as this in swift. So please help me…

Thanks…!

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Hi sir, can you please tell be how to achieve paint brush strokes in objective c.

Thankyou… :slight_smile:

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I followed this tutorial and it seems to work very well. I did find one problem though. If the screen is being touched very lightly when drawing sometimes the drawing stops. Like midway through a stroke the line stops drawing and in order to start drawing again you have to lift your finger off the screen and press again. This confuses me a great deal because I would think that if the touch gesture was not being recognized for a second then the drawing would stop for a brief second, and when it was recognized again the drawing would continue. This isn’t what happens though, you have to lift your finger off the screen and re-apply it. Has anyone else noticed this or have any ideas on how to fix it?

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Is there any way to draw pixel art, using the UIKit?

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Hi, @abdulazeem . Can you help me draw like this app:

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This tutorial is more than six months old so questions are no longer supported at the moment for it. We will update it as soon as possible. Thank you! :]