From ad8bb8b33001c76c976dfa03dcbff177f7862ce9 Mon Sep 17 00:00:00 2001
From: Zeya Peng <zeyap@meta.com>
Date: Mon, 27 Apr 2026 14:45:03 -0700
Subject: [PATCH] make sure view width and height are non 0 before calling
 createBitmap() (#56627)

Summary:

## Changelog:

[Android] [Fixed] - make sure view width and height are non 0 before calling createBitmap()

Reviewed By: Abbondanzo

Differential Revision: D102657602
---
 .../fabric/ViewTransitionSnapshotManager.kt   | 33 ++++++++++++-------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/ViewTransitionSnapshotManager.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/ViewTransitionSnapshotManager.kt
index 6c21fbc4d45..29c987a4960 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/ViewTransitionSnapshotManager.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/ViewTransitionSnapshotManager.kt
@@ -38,10 +38,13 @@ internal class ViewTransitionSnapshotManager(
 ) : UIManagerListener {
 
   companion object {
-    private fun captureSoftwareBitmap(view: View): Bitmap {
-      val bitmap = createBitmap(view.width, view.height)
-      view.draw(Canvas(bitmap))
-      return bitmap
+    private fun captureSoftwareBitmap(view: View): Bitmap? {
+      if (view.width > 0 && view.height > 0) {
+        val bitmap = createBitmap(view.width, view.height)
+        view.draw(Canvas(bitmap))
+        return bitmap
+      }
+      return null
     }
   }
 
@@ -96,7 +99,7 @@ internal class ViewTransitionSnapshotManager(
       } else {
         // Software fallback runs synchronously, so onBitmapCaptured always
         // completes before setViewSnapshot is called.
-        onBitmapCaptured(reactTag, captureSoftwareBitmap(view))
+        captureSoftwareBitmap(view)?.let { onBitmapCaptured(reactTag, it) }
       }
     }
   }
@@ -106,9 +109,16 @@ internal class ViewTransitionSnapshotManager(
     val location = IntArray(2)
     view.getLocationInWindow(location)
 
+    val viewWidth = view.width
+    val viewHeight = view.height
+
+    if (viewWidth <= 0 || viewHeight <= 0) {
+      // Nothing to capture.
+      return
+    }
+
     // The view's rect in window coordinates.
-    val viewRect =
-        Rect(location[0], location[1], location[0] + view.width, location[1] + view.height)
+    val viewRect = Rect(location[0], location[1], location[0] + viewWidth, location[1] + viewHeight)
 
     // Clamp to window bounds — PixelCopy only captures what's visible on the
     // window surface. Without clamping, off-screen portions are black/empty
@@ -144,23 +154,24 @@ internal class ViewTransitionSnapshotManager(
             if (copyResult == PixelCopy.SUCCESS) {
               // Compose the clamped capture into a full-size bitmap at the
               // correct offset so it aligns with the pseudo-element's bounds.
-              val fullBitmap = createBitmap(view.width, view.height)
+              val fullBitmap = createBitmap(viewWidth, viewHeight)
               Canvas(fullBitmap)
                   .drawBitmap(clampedBitmap, offsetX.toFloat(), offsetY.toFloat(), null)
               clampedBitmap.recycle()
               onBitmapCaptured(reactTag, fullBitmap)
             } else {
+              // Fall back to software rendering if the view is still valid.
               clampedBitmap.recycle()
-              onBitmapCaptured(reactTag, captureSoftwareBitmap(view))
+              captureSoftwareBitmap(view)?.let { onBitmapCaptured(reactTag, it) }
             }
           },
           mainHandler,
       )
     } catch (e: IllegalArgumentException) {
       // Window surface may have been destroyed (e.g., device idle/sleep).
-      // Fall back to software rendering.
+      // Fall back to software rendering if the view is still valid.
       clampedBitmap.recycle()
-      onBitmapCaptured(reactTag, captureSoftwareBitmap(view))
+      captureSoftwareBitmap(view)?.let { onBitmapCaptured(reactTag, it) }
     }
   }