3d Model is black

[museraya]

When I run the sceneview, the issue is that it only shows the model without texture, it doesnt have any color and shows only the 3d model

`
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Button
import android.widget.Toast
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import com.google.ar.core.Anchor
import com.google.ar.core.Config
import com.google.ar.core.Plane
import io.github.sceneview.ar.ARSceneView
import io.github.sceneview.ar.arcore.getUpdatedPlanes
import io.github.sceneview.ar.node.AnchorNode
import io.github.sceneview.math.Position
import io.github.sceneview.node.ModelNode
import kotlinx.coroutines.launch

class LiveViewFragment : Fragment() {

private lateinit var arSceneView: ARSceneView
private lateinit var placeModelButton: Button
private var anchorNode: AnchorNode? = null

override fun onCreateView(
    inflater: LayoutInflater, container: ViewGroup?,
    savedInstanceState: Bundle?
): View? {
    val view = inflater.inflate(R.layout.fragment_liveview, container, false)
    arSceneView = view.findViewById(R.id.arSceneView)
    placeModelButton = view.findViewById(R.id.btnPlaceModel)
    return view
}

override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
    super.onViewCreated(view, savedInstanceState)

    arSceneView.apply {
        lifecycle = viewLifecycleOwner.lifecycle
        planeRenderer.isEnabled = true

        configureSession { session, config ->
            config.depthMode = Config.DepthMode.AUTOMATIC
            config.instantPlacementMode = Config.InstantPlacementMode.DISABLED
            config.lightEstimationMode = Config.LightEstimationMode.ENVIRONMENTAL_HDR
        }

        onSessionUpdated = { _, frame ->
            frame.getUpdatedPlanes().firstOrNull { it.type == Plane.Type.HORIZONTAL_UPWARD_FACING }
                ?.let { plane ->
                    anchorNode ?: run {
                        placeAnchor(plane.createAnchor(plane.centerPose))
                    }
                }
        }
    }

    placeModelButton.setOnClickListener {
        // Use the latest frame from the onSessionUpdated callback
        arSceneView.onSessionUpdated = { _, frame ->
            // Explicitly define the type of the parameter as Plane
            val plane: Plane? = frame.getUpdatedPlanes()
                .firstOrNull { detectedPlane -> detectedPlane.type == Plane.Type.HORIZONTAL_UPWARD_FACING }

            // If a plane is found, create an anchor and place the model
            plane?.let { detectedPlane ->
                placeAnchor(detectedPlane.createAnchor(detectedPlane.centerPose))
            }
        }
    }


}

private fun placeAnchor(anchor: Anchor) {
    if (anchorNode == null) {
        anchorNode = AnchorNode(arSceneView.engine, anchor).apply {
            isEditable = true
            lifecycleScope.launch {
                val modelInstance = arSceneView.modelLoader.loadModelInstance(
                    "file:///android_asset/models/woodcutter.glb"
                )
                if (modelInstance != null) {
                    Toast.makeText(requireContext(), "Model loaded successfully", Toast.LENGTH_SHORT).show()
                    addChildNode(
                        ModelNode(
                            modelInstance = modelInstance,
                            scaleToUnits = 0.5f,
                            centerOrigin = Position(y = -0.5f)
                        ).apply { isEditable = true }
                    )
                } else {
                    Toast.makeText(requireContext(), "Failed to load model", Toast.LENGTH_SHORT).show()
                }
            }

            arSceneView.addChildNode(this)
        }
    }
}

override fun onDestroyView() {
    super.onDestroyView()
    arSceneView.destroy()
}

}`

[asilbektilavov]

same here