Ask HN: What it the tech stack of the new WhatsApp desktop?

2 pointsgrumblingdev2y ago2 comments

Uses UIKit.

How to tell if its React Native, SwiftUI or just Cocoa?

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mk892y ago

Typically I use the activity monitor to analyze the file content. There is always 1 lib at least that a specific framework brings along, even in case of native programs.

When that is not enough, you can also get some cues from the Accessibility Inspector to "guess" what a program uses.

grumblingdevOP2y ago

Messenger seems to be React Native evident by RCTView everywhere. It also uses NSView instead of UIView.

WhatsApp seems to use UIView, but I couldn't find evidence of SwiftUI, so am assuming its just a UIKit app.

There are some very similar UI components to the mobile app, so I am guessing they want to unify as much as they can between the two codebases.

WhatsApp Windows seems to be a native Windows app.

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