perf(Android): Do not do bitmap operations needlessly (#12924) a2371b9239

We currently pull bitmaps in the Rive composable regardless of whether the user asks for the callback. This optimizes it so it's only performed when necessary.

Co-authored-by: Erik <erik@rive.app>

Author: ErikUggeldahl

.rive_head

@@ -1 +1 @@
-61822bb24793050f151e291788b912a2fea1cffb
+a2371b923992a98c7f5b117eed1d6cafee890c30

kotlin/src/main/kotlin/app/rive/Rive.kt

@@ -533,7 +533,7 @@ fun Rive(
 
                         override fun onSurfaceTextureUpdated(surfaceTexture: SurfaceTexture) {
                             // Only dispatch once per surface, and only when a real frame is available
-                            if (!bitmapCallbackSent) {
+                            if (!bitmapCallbackSent && currentOnBitmapAvailable != null) {
                                 val bmp = bitmap
                                 if (bmp != null) {
                                     bitmapCallbackSent = true