Nachos-Suggestions.java

@Override
protected void replaceText(CharSequence text) {
    // Do nothing
}

@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
    ...
    Object data = getDataForSuggestion(adapter, position);
    CharSequence text = getFilter().convertResultToString(adapter.getItem(position));

    clearComposingText();
    int end = getSelectionEnd();
    Editable editable = getText();
    int start = mChipTokenizer.findTokenStart(editable, end);
    editable.replace(start, end, mChipTokenizer.terminateToken(text, data));
    ...
}

protected Object getDataForSuggestion(@NonNull Adapter adapter, int position) {
    return adapter.getItem(position);
}