if (uri.getScheme().equals("content")) {
var iStream = this.getContentResolver().openInputStream(uri)
Log.d(javaClass.simpleName, "Scheme=content, iStream = $iStream")
} else {
var file = File(uri.getPath())
var fileInputStream = FileInputStream(file)
Log.d(javaClass.simpleName, "Scheme!=content, fileInputStream = $fileInputStream")
}Scheme=content, iStream = android.os.ParcelFileDescriptor$AutoCloseInputStream@3da8e34