Screen-share (send): startScreenShare requests the MediaProjection grant via
startActivityForResult, then CallMedia.setScreenShareEnabled(true,
ScreenCaptureParams(data)) publishes it over the native LiveKit room.
stopScreenShare unpublishes. Both emit screenShareState so the web button
reflects reality (incl. a declined grant). LiveKit's SDK manifest already
provides the mediaProjection foreground service + FOREGROUND_SERVICE_MEDIA_
PROJECTION (merged into the app), so no manifest change is needed.
Received shared screen: implemented setTileZoom (was a no-op) — the web
captures pinch/pan under hole-punch and forwards {scale,tx,ty}; CallVideo
applies it as a renderer transform (scale about centre + translate ×density),
scale<=1 clears it. Mirrors the iOS applyZoom contract. Screen tiles already
render aspect-fit.
APK-only: the web bridge already calls these methods and received-screen
rendering is gated on ANDROID_NATIVE_VIDEO (already on) — no server/web change.
All LiveKit 2.29.2 APIs (setScreenShareEnabled, ScreenCaptureParams) verified
against source. Clarity-when-zoomed (adaptive-stream) is a follow-up if needed.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
SravanandClaude Opus 4.8
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