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Learn about drawing using SwiftUI by creating custom controls using a combination of SwiftUI and Core Graphics. Covers shapes, colors, drawing with Pencil, and how to integrate them into a non-trivial app.

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SwiftUI shapes and colors
Custom shapes
Custom controls using SwiftUI
Drawing with Apple Pencil
Integration of UIKit UIViews into SwiftUI Views
Build a complete app with a complex custom interface

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This course is for iOS developers who are familiar with Swift and SwiftUI fundamentals and would like to create custom user interfaces using SwiftUI.

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Challenge time! In this episode, practice creating your own custom shape. Let's dive in!

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Create data storage for the mind map cells using an environment object, and draw example cells from the model.

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Learn how to create gestures to select a mind map cell, drag it, and add a new cell by double-tapping the background.

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Review where you are with your SwiftUI drawing, and look forward to how we'll enhance our skills by drawing custom controls.

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Create a custom slider with a gradient background, and learn how to send inputs to controls and receive outputs.

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Install the menu into the app and add custom actions to it. You'll be able to delete cells and also use your shapes grid to choose the shape of each cell.

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Upgrade your SwiftUI drawing pad to UIKit. Examine the app architecture and understand how to insert UIKit views in a SwiftUI app.

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Learn how to use Pencil for custom drawing and draw smooth lines with thickness dependent on pressure.

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Understand the extra features that drawing with Pencil gives you. Use the tilt of the pencil to change from drawing to shading.

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Now that you've created a UIKit drawing pad, add it as a custom option to the flyout menu and show it as a modal view.

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In your final challenge, extract the sketch from the drawing pad into an image, create a thumbnail and display it on a mind map cell.

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Go low-level into Core Graphics and examine individual pixels. Learn how to retrieve the pixel color and switch the drawing color to this color.

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Congrats on finishing the course! Review what you've learned, and find out where to go from here.

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