Android Kotlin, How to convert Bitmap to File? Article: https://freakycoder.com/android-notes-72-how-to-convert-bitmap-to-uri-e535391ebdac

BitmapToImage.md

fun convertBitmapToFile(context: Context, bitmap: Bitmap): Uri{  
  val file = File(Environment.getExternalStorageDirectory().toString() + File.separator + fileNameToSave)
  file.createNewFile()
  // Convert bitmap to byte array
  val baos = ByteArrayOutputStream()
  bitmap.compress(Bitmap.CompressFormat.PNG, 0, baos) // It can be also saved it as JPEG
  val bitmapdata = baos.toByteArray()
 }