Use Color.TRANSPARENT instead of 0x00000000

src/main/java/com/kdanmobile/reader/ReaderViewModel.kt

@@ -552,7 +552,7 @@ class ReaderViewModel(private val readerModelManager: ReaderModelManager, val ur
 
             private fun setElevationBelowAndroidKitKat(context: Context, view: View) {
                 val elevation = context.resources.getDimension(R.dimen.reader_context_menu_window_elevation)
-                val drawable = MyRoundRectDrawableWithShadow(context.resources, 0x00000000, 0f, elevation, elevation)
+                val drawable = MyRoundRectDrawableWithShadow(context.resources, Color.TRANSPARENT, 0f, elevation, elevation)
                 setViewBackground(view, drawable)
             }