Merge pull request #130 from hotwired/s-pen

Fix crash while using a stylus to navigate within the WebView

turbo/src/main/kotlin/dev/hotwire/turbo/views/TurboSwipeRefreshLayout.kt

@@ -9,8 +9,22 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 internal class TurboSwipeRefreshLayout @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
         SwipeRefreshLayout(context, attrs) {
 
+    init {
+        disableCustomDrawingOrder()
+    }
+
     override fun canChildScrollUp(): Boolean {
         val webView = children.firstOrNull() as? WebView
         return webView?.scrollY ?: 0 > 0
     }
+
+    /**
+     * Disable custom child drawing order. This fixes a crash while using a
+     * stylus that dispatches hover events when the WebView is being removed.
+     * This doesn't have any unintended consequences, since the WebView is the
+     * only possible child of this view.
+     */
+    private fun disableCustomDrawingOrder() {
+        isChildrenDrawingOrderEnabled = false
+    }
 }