KtodaZ

 private void addPhoneRetvListeners() {
        addPhoneRetvTextChangedListener();
        addPhoneRetvBackspaceListener();
        addPhoneRetvEnterKeyListener();
    }

    /*Begin phoneRetvEditTextWatcher*/
    /**Add a listener to all the text changed in phoneRetv in order to detect errors upon user typing*/
    private void addPhoneRetvTextChangedListener() {
        phoneRetv.addTextChangedListener(phoneRetvEditTextWatcher);