private fun viewImage() {
    if (!viewModel.image.isNullOrBlank()) {
        val fragment = ImageViewDialog()
        fragment.imagePath = viewModel.image!!
        val transaction = supportFragmentManager.beginTransaction()
        transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
        transaction.add(android.R.id.content, fragment).addToBackStack(null).commit()
    }
}