message: Clear warnings
diff: @@ -281,7 +281,7 @@ class MainActivity : Activity() {
  // Stop the animation and any pending frame
  choreographer.removeFrameCallback(frameScheduler)
  - animator.cancel();
  + animator.cancel()
  // Always detach the surface before destroying the engine
  uiHelper.detach()
  @@ -328,11 +328,11 @@ class MainActivity : Activity() {
  override fun onNativeWindowChanged(surface: Surface) {
  swapChain?.let { engine.destroySwapChain(it) }
  swapChain = engine.createSwapChain(surface, uiHelper.swapChainFlags)
  - displayHelper.attach(renderer, surfaceView.display);
  + displayHelper.attach(renderer, surfaceView.display)
  }
  override fun onDetachedFromSurface() {
  - displayHelper.detach();
  + displayHelper.detach()
  swapChain?.let {
  engine.destroySwapChain(it)
  // Required to ensure we don't return before Filament is done executing the
  @@ -353,6 +353,7 @@ class MainActivity : Activity() {
  }
  }
  + @Suppress("SameParameterValue")
  private fun readUncompressedAsset(assetName: String): ByteBuffer {
  assets.openFd(assetName).use { fd ->
  val input = fd.createInputStream()
  