tapDistanceOf2Points.kt

    private fun tapDistanceOf2Points(hitResult: HitResult){
        if (placedAnchorNodes.size == 0){
            placeAnchor(hitResult, cubeRenderable!!)
        }
        else if (placedAnchorNodes.size == 1){
            placeAnchor(hitResult, cubeRenderable!!)

            val midPosition = floatArrayOf(
                (placedAnchorNodes[0].worldPosition.x + placedAnchorNodes[1].worldPosition.x) / 2,
                (placedAnchorNodes[0].worldPosition.y + placedAnchorNodes[1].worldPosition.y) / 2,
                (placedAnchorNodes[0].worldPosition.z + placedAnchorNodes[1].worldPosition.z) / 2)
            val quaternion = floatArrayOf(0.0f,0.0f,0.0f,0.0f)
            val pose = Pose(midPosition, quaternion)

            placeMidAnchor(pose, distanceCardViewRenderable!!)
        }
        else {
            clearAllAnchors()
            placeAnchor(hitResult, cubeRenderable!!)
        }
    }

    private fun placeMidAnchor(pose: Pose,
                               renderable: Renderable,
                               between: Array<Int> = arrayOf(0,1)){
        val midKey = "${between[0]}_${between[1]}"
        val anchor = arFragment!!.arSceneView.session!!.createAnchor(pose)
        midAnchors.put(midKey, anchor)

        val anchorNode = AnchorNode(anchor).apply {
            isSmoothed = true
            setParent(arFragment!!.arSceneView.scene)
        }
        midAnchorNodes.put(midKey, anchorNode)

        val node = TransformableNode(arFragment!!.transformationSystem)
            .apply{
                this.rotationController.isEnabled = false
                this.scaleController.isEnabled = false
                this.translationController.isEnabled = true
                this.renderable = renderable
                setParent(anchorNode)
            }
        arFragment!!.arSceneView.scene.addOnUpdateListener(this)
        arFragment!!.arSceneView.scene.addChild(anchorNode)
    }

Do you happen to have an android project with the ussage of this function as a sample?