protected void showCalculatorInternal(AmountEditText input) {
Intent intent = new Intent(this, CalculatorInput.class);
forwardDataEntryFromWidget(intent);
BigDecimal amount = validateAmountInput(input, false);
if (amount != null) {
intent.putExtra(KEY_AMOUNT, amount);
}
intent.putExtra(CalculatorInput.EXTRA_KEY_INPUT_ID, input.getId());
startActivityForResult(intent, CALCULATOR_REQUEST);
}
