How to Set Transparent background color

[rabinansal]

how to change the background color

fun setSurfaceView(mSurfaceView: SurfaceView) {
        modelViewer = ModelViewer(mSurfaceView)
        mSurfaceView.setOnTouchListener(modelViewer)

        //Skybox and background color
        //without this part the scene'll appear broken
        modelViewer.scene.skybox = Skybox.Builder().build(modelViewer.engine)
        modelViewer.scene.skybox?.setColor(1.0f, 1.0f, 1.0f, 1.0f) //White color


 }

[rabinansal]

 fun setSurfaceView(mSurfaceView: SurfaceView) {
        modelViewer = ModelViewer(mSurfaceView)
        mSurfaceView.setOnTouchListener(modelViewer)

        mSurfaceView.holder.setFormat(PixelFormat.TRANSLUCENT)
        val options = modelViewer.renderer.clearOptions
        options.clear = true
        modelViewer.renderer.clearOptions = options
        modelViewer.scene.skybox = Skybox.Builder().build(modelViewer.engine)
        modelViewer.view.blendMode= View.BlendMode.TRANSLUCENT
        modelViewer.scene.skybox = null

    }