encode

fun encodeImage(bm: Bitmap): String? {
    val baos = ByteArrayOutputStream()
    bm.compress(Bitmap.CompressFormat.JPEG, 100, baos)
    val b = baos.toByteArray()
    return Base64.encodeToString(b, Base64.DEFAULT)
}

fun decodeImage(bm: String, imageView: ImageView,resources: Resources) {
    val imageBytes = Base64.decode(bm, Base64.DEFAULT)
    val decodedImage = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size)
    val ob = BitmapDrawable(resources, decodedImage)
    imageView.background=ob
}