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Software Development Videos & Tutorials

Build an App Icon Generator iOS & macOS Catalyst SwiftUI App

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Generate & Export Asset Icons easily to your iPhone, iPad, Mac, and Apple Watch.

What we will build and learn on this video:

  • Import icon image and generate resized icons for iPhone, iPad, mac, and Apple Watch.
  • Target 2 platforms: iOS (iPhone/iPad) and macOS using Catalyst
  • Utilize UIImage.preparingThumbnail iOS 15 API.
  • Design models for App Icon and create Content.json based on the idiom, size, scale, filename required by the iconset folder.
  • Lean how to use ImagePickerController (iOS) in SwiftUI and DocumentPickerController (mac Catalyst) to import image.
  • Learn how to accept dropped image on mac Catalyst.
  • Learn on how to use FileManager API to create, move, and delete file/folder.
  • Learn how to archive/zip folder using FileCoordinator API
  • Learn how to use UIActivityViewController (iOS) and UIDocumentPickerController to save/share file.