Alex Grebenyuk

@a_grebenyuk

I write and build Nuke, Pulse, Align, and more at . I just like to write.

New York
kean.blog
Joined February 2013
208 Photos and videos Photos and videos

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  1. Pinned Tweet
    Feb 24

    Learn how to build delightful macOS apps using only SwiftUI

    25 replies 166 retweets 1,050 likes
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  2. Jun 12

    I wonder if it would’ve made more sense to split the keynote based on apps, not platforms. The lines keep blurring.

    2 likes
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  3. Jun 12

    It’s great to see features coming to all platforms at the same time

    1 reply 5 likes
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  4. Retweeted
    Jun 7

    The new iPadOS 15 shortcuts/menu bar in action; just hold ‘command’

    11 replies 31 retweets 218 likes
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  5. Retweeted
    Jun 7

    Here are some of my favorite new improvements in Xcode 13: 🧵

    7 replies 154 retweets 609 likes
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  6. Retweeted
    Jun 10

    What's the consensus on iOS 13 support and SwiftUI? The initial version was pretty rough. Is anyone still writing new SwiftUI views that support iOS 13?

    4 replies 2 retweets 1 like
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  7. Jun 11

    When you use id() to reload a SwiftUI view onAppear on the new "instance" (aka identity) is called before onDisappear on the old identity. Yet another source of defects.

    2 replies 1 retweet 20 likes
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  8. Jun 11

    It looks like UIViewRepresentable ignores intrinsicContentSize invalidation.

    1 reply 7 likes
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  9. Jun 11

    If I wanted to write a custom VStack or other advanced layout abstraction like that, there is basically no way to do that in SwiftUI, is there?

    3 replies 2 likes
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  10. Retweeted
    Jun 11

    "SwiftUI on the Mac: Build the fundamentals" is a great session about starting using SwiftUI and achieving results at a very fast pace.

    4 replies 8 retweets 72 likes
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  11. Jun 10

    What's the consensus on iOS 13 support and SwiftUI? The initial version was pretty rough. Is anyone still writing new SwiftUI views that support iOS 13?

    4 replies 2 retweets 1 like
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  12. Jun 10

    It's also now based on FetchImage on both platforms, and FetchImage received a couple of major improvements in the recent releases as well. I'm not cutting any corners anywhere so if you want to rollout a completely custom view, FetchImage is there for you.

    1 like
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  13. Jun 10

    I also revisited some of the APIs to make it closer to AsyncImage, but not identical because LazyImage is much more powerful.

    1 reply 4 likes
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  14. Jun 10

    You can now extend not just the decoding but also rendering with just two simple steps.

    1 reply
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  15. Jun 10

    It's hard to create sane reusable components in SwiftUI. I think I'm getting there with – pushed a new release just now.

    1 reply 7 likes
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  16. Jun 9

    If you are using Nuke, it performs "prepareForDisplay" (background image decompression) by default and there is an API to resize images as well ("ImageProcessors.Resize").

    2 likes
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  17. Jun 9

    A great explanation of cell prefetching that does a better job than sessions from the previous years. And also some tips on improving image loading performance in table and collection views using new "prepareForDisplay" and "prepareThumbnail" APIs.

    Now this is seriously awesome! I have a WWDC talk, now that’s a dream come true! Come learn about making collection and table views seriously fast and how image loading ties into that. Finally see if you can spot the ways I worked Alpacas into all of it.
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    2 replies 8 likes
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  18. Jun 9

    (It's a SwiftUI-only* app) *except for macOS that uses AppKit a lot

    2 likes
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  19. Jun 9

    I don't know if I should even continue working on it or Apple will sherlock it next year too.

    3 likes
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  20. Jun 9

    Compiled Pulse () using Xcode 13 beta. No issues so far: macOS, iOS, tvOS, watchOS – all good.

    3 replies 20 likes
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  21. Jun 8

    Almost forgot –

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