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Port the background-layer core seams from the dev core (Android) #287

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Merged
shanerbaner82 merged 1 commit into from
Aug 4, 2026
Merged

Port the background-layer core seams from the dev core (Android) #287

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8 changes: 8 additions & 0 deletions ...dstudio/app/src/main/java/com/nativephp/mobile/ui/nativerender/NativeCompositionLocals.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -12,3 +12,11 @@ val LocalSafeAreaTop = compositionLocalOf { 0f }
val LocalSafeAreaBottom = compositionLocalOf { 0f }
val LocalAvailableWidth = compositionLocalOf { 390f }
val LocalAvailableHeight = compositionLocalOf { 844f }

/**
* True when a root host renders a persistent background layer beneath the
* content (e.g. mobile-ui's `background_layer` map). Chrome that normally
* paints an opaque canvas — the tabs Scaffold — goes transparent so the
* layer shows through.
*/
val LocalBackgroundLayerPresent = compositionLocalOf { false }
7 changes: 7 additions & 0 deletions ...idstudio/app/src/main/java/com/nativephp/mobile/ui/nativerender/NativeRootTabsRenderer.kt
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Expand Up @@ -241,6 +241,13 @@ fun NativeRootTabsRenderer(node: NativeUINode, modifier: Modifier = Modifier) {
}

Scaffold(
// A persistent background layer (map behind the app) needs the
// content canvas transparent; otherwise keep the themed surface.
containerColor = if (LocalBackgroundLayerPresent.current) {
androidx.compose.ui.graphics.Color.Transparent
} else {
MaterialTheme.colorScheme.background
},
topBar = {
if (hasNavBar && !hideNavBar && !isOnSearchTab) {
TopAppBar(
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