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Fix: iOS - Ensure node name is included in onPanEnd and onRotationEnd #31

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Fix: iOS - Ensure node name is included in onPanEnd and onRotationEnd #31

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9449e0a
Fix: Ensure node name is included in onPanEnd and onRotationEnd callb…
nikkon404 Nov 10, 2025
1b25d8a
Fix: Add null check for node name in Android onPanEnd and onRotationEnd
nikkon404 Nov 11, 2025
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26 changes: 16 additions & 10 deletions android/src/main/kotlin/com/uhg0/ar_flutter_plugin_2/ArView.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -247,11 +247,14 @@ class ArView(
override fun onMoveEnd(detector: MoveGestureDetector, e: MotionEvent) {
if (handlePans) {
super.onMoveEnd(detector, e)
val transformMap = mapOf(
"name" to name,
"transform" to transform.toFloatArray().toList()
)
objectChannel.invokeMethod("onPanEnd", transformMap)
// Only invoke callback if name exists (defensive check)
name?.let { nodeName ->
val transformMap = mapOf(
"name" to nodeName,
"transform" to transform.toFloatArray().toList()
)
objectChannel.invokeMethod("onPanEnd", transformMap)
}
}
}

Expand All @@ -276,11 +279,14 @@ class ArView(
override fun onRotateEnd(detector: RotateGestureDetector, e: MotionEvent) {
if (handleRotation) {
super.onRotateEnd(detector, e)
val transformMap = mapOf(
"name" to name,
"transform" to transform.toFloatArray().toList()
)
objectChannel.invokeMethod("onRotationEnd", transformMap)
// Only invoke callback if name exists (defensive check)
name?.let { nodeName ->
val transformMap = mapOf(
"name" to nodeName,
"transform" to transform.toFloatArray().toList()
)
objectChannel.invokeMethod("onRotationEnd", transformMap)
}
}
}
}.apply {
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12 changes: 10 additions & 2 deletions ios/Classes/IosARView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -626,10 +626,14 @@ class IosARView: NSObject, FlutterPlatformView, ARSCNViewDelegate, UIGestureReco
// State Ended
if(recognizer.state == UIGestureRecognizer.State.ended)
{
// Store node reference before clearing it
let nodeToSerialize = panningNode
// kill variables
panStartLocation = nil
panCurrentLocation = nil
DispatchQueue.main.async {self.objectManagerChannel.invokeMethod("onPanEnd", arguments: serializeLocalTransformation(node: self.panningNode))}
if let node = nodeToSerialize {
DispatchQueue.main.async {self.objectManagerChannel.invokeMethod("onPanEnd", arguments: serializeLocalTransformation(node: node))}
}
panningNode = nil
}
}
Expand Down Expand Up @@ -688,10 +692,14 @@ class IosARView: NSObject, FlutterPlatformView, ARSCNViewDelegate, UIGestureReco
// State Ended
if(recognizer.state == UIGestureRecognizer.State.ended)
{
// Store node reference before clearing it
let nodeToSerialize = panningNode
// kill variables
rotation = nil
rotationVelocity = nil
DispatchQueue.main.async {self.objectManagerChannel.invokeMethod("onRotationEnd", arguments: serializeLocalTransformation(node: self.panningNode))}
if let node = nodeToSerialize {
DispatchQueue.main.async {self.objectManagerChannel.invokeMethod("onRotationEnd", arguments: serializeLocalTransformation(node: node))}
}
panningNode = nil
}

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9 changes: 7 additions & 2 deletions ios/Classes/Serialization/Serializers.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -42,9 +42,14 @@ func serializeAnchor(anchor: ARAnchor, anchorNode: SCNNode?, ganchor: GARAnchor,
func serializeLocalTransformation(node: SCNNode?) -> Dictionary<String, Any?> {
var serializedLocalTransformation = Dictionary<String, Any?>()

let transform: [Float?] = [node?.transform.m11, node?.transform.m12, node?.transform.m13, node?.transform.m14, node?.transform.m21, node?.transform.m22, node?.transform.m23, node?.transform.m24, node?.transform.m31, node?.transform.m32, node?.transform.m33, node?.transform.m34, node?.transform.m41, node?.transform.m42, node?.transform.m43, node?.transform.m44]
guard let node = node else {
// Return empty dictionary if node is nil to prevent crashes
return serializedLocalTransformation
}

let transform: [Float] = [node.transform.m11, node.transform.m12, node.transform.m13, node.transform.m14, node.transform.m21, node.transform.m22, node.transform.m23, node.transform.m24, node.transform.m31, node.transform.m32, node.transform.m33, node.transform.m34, node.transform.m41, node.transform.m42, node.transform.m43, node.transform.m44]

serializedLocalTransformation["name"] = node?.name
serializedLocalTransformation["name"] = node.name
serializedLocalTransformation["transform"] = transform

return serializedLocalTransformation
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