Update chat sample for the liquid glass era

[Sebastian Aigner (SebastianAigner)]

Updates the chat example with a fresh look and liquid glass controls.

The previous version looked like this on modern iOS:

(and for real comparison, back in the olden days, it looked like the following)

Release Notes

N/A

[Copilot]

Pull request overview

Modernizes the iOS chat sample with native SwiftUI liquid-glass overlays and bottom-anchored Compose messages.

Changes:

• Adds native chat header, footer scrim, avatars, and glass controls.
• Adjusts Compose insets and message-list behavior.
• Configures tab-bar and status-bar appearance.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
main.ios.kt	Combines system and native-overlay insets.
Messages.kt	Bottom-anchors and reverses message layout.
Info.plist	Enables application-managed status-bar styling.
ContentView.swift	Adds translucent tab-bar styling.
ComposeViewControllerToSwiftUI.swift	Passes native header inset to Compose.
ComposeInsideSwiftUIScreen.swift	Implements the redesigned native overlays and controls.

Suppressed comments (2)

examples/chat/iosApp/iosApp/ComposeInsideSwiftUIScreen.swift:92

• The video-call affordance has an empty action, so every tap is guaranteed to have no effect despite the button and interactive glass styling. Connect it to the intended call behavior, or remove the interactive Button semantics if it is only decorative.

        Button(action: {}) {

examples/chat/iosApp/iosApp/ComposeInsideSwiftUIScreen.swift:107

• This title/chevron control is presented and announced as actionable, but its action is empty. Provide the intended conversation-details action, or use a noninteractive styled view instead.

        Button(action: {}) {

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[Sebastian Aigner (SebastianAigner)]

It's just decoration; for the time being, it should stay as-is.