AutoCompleteTextView not showing any drop down items

Question

My XML:

Answer 1

The only working solution after updating adapter and notifying about changes instantly show dropDown is reseting AutoCompleteTextView text again, Kotlin example:

 with(autoCompleteTextView) {
       text = text
  // Place cursor to end   
}

Java something like:

autoCompleteTextView.setText(autoCompleteTextView.getText());
// Place cursor to end