Limite caracteres no edittext

EditText edittext5 = (EditText) findViewById(R.id.edittext5);
InputFilter[] editFilters = edittext5.getFilters();
InputFilter[] newFilters = new InputFilter[editFilters.length + 1];
System.arraycopy(editFilters, 0, newFilters, 0, editFilters.length);
newFilters[editFilters.length] = new InputFilter.LengthFilter(2) {
    @Override
    public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
        if (dest.length() >= 2) {
            Toast.makeText(HomeActivity.this, "Limite de caracteres é 2", Toast.LENGTH_SHORT).show();
            return "";
        }
        return super.filter(source, start, end, dest, dstart, dend);
    }
};
edittext5.setFilters(newFilters);