<string name="total_coffee_cost">Hi, %1$s. You ordered %2$d cups of coffee. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_whipped_cream">Hi, %1$s. You ordered %2$d cups of coffee, whipped cream will be added. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_chocolate">Hi, %1$s. You ordered %2$d cups of coffee, chocolate will be added. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_cream_chocolate">Hi, %1$s. You ordered %2$d cups of coffee, whipped cream and chocolate will be added. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_one">Hi, %1$s. You ordered %2$d cup of coffee. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_one_whipped_cream">Hi, %1$s. You ordered %2$d cup of coffee, whipped cream will be added. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_one_chocolate">Hi, %1$s. You ordered %2$d cup of coffee, chocolate will be added. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_one_cream_chocolate">Hi, %1$s. You ordered %2$d cup of coffee, whipped cream and chocolate will be added. nPrepare to pay $%3$d. nThank you!</string>
<string name="total_coffee_cost_zero">Hi, %1$s. You have not ordered any cup of coffee. nTry to choose again. nThank you!</string>

private TextView createOrderSummary(View view){
    EditText nameField = findViewById(R.id.name_field);
    String name = nameField.getText().toString();

    CheckBox whippedCreamCheckBox = findViewById(R.id.whipped_cream_checkbox);
    hasWhippedCream = whippedCreamCheckBox.isChecked();

    CheckBox chocolateCheckBox = findViewById(R.id.chocolate_checkbox);
    hasChocolate = chocolateCheckBox.isChecked();

    TextView priceMessage = findViewById(R.id.price_text_view);
    if (numberOfCoffees == 0)
        priceMessage.setText(getString(R.string.total_coffee_cost_zero, name));
    else if ((numberOfCoffees == 1) && (!hasWhippedCream) && (!hasChocolate))
        priceMessage.setText(getString(R.string.total_coffee_cost_one,name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees == 1) && (hasWhippedCream) && (!hasChocolate))
        priceMessage.setText(getString(R.string.total_coffee_cost_one_whipped_cream, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees == 1) && (!hasWhippedCream) && (hasChocolate))
        priceMessage.setText(getString(R.string.total_coffee_cost_one_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees == 1) && (hasWhippedCream) && (hasChocolate))
        priceMessage.setText(getString(R.string.total_coffee_cost_one_cream_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees > 1) && (!hasWhippedCream) && (!hasChocolate))
            priceMessage.setText(getString(R.string.total_coffee_cost, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees > 1) && (hasWhippedCream) && (!hasChocolate))
            priceMessage.setText(getString(R.string.total_coffee_cost_whipped_cream, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees > 1) && (!hasWhippedCream) && (hasChocolate))
        priceMessage.setText(getString(R.string.total_coffee_cost_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    else if ((numberOfCoffees > 1) && (hasWhippedCream) && (hasChocolate))
        priceMessage.setText(getString(R.string.total_coffee_cost_cream_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup));
    return priceMessage;
}

<string name="total_coffee_cost">Hi, %1$s! You ordered %2$d cups of coffee. nPrepare to pay $%3$d. nThank you!</string>

private TextView createOrderSummary(View view){
    EditText nameField = findViewById(R.id.name_field);
    String name = nameField.getText().toString();

    CheckBox whippedCreamCheckBox = findViewById(R.id.whipped_cream_checkbox);
    hasWhippedCream = whippedCreamCheckBox.isChecked();

    CheckBox chocolateCheckBox = findViewById(R.id.chocolate_checkbox);
    hasChocolate = chocolateCheckBox.isChecked();

    TextView priceMessage = findViewById(R.id.price_text_view);

    if (numberOfCoffees == 0) {
        textString = getString(R.string.total_coffee_cost_zero, name);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees == 1) && (!hasWhippedCream) && (!hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_one, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees == 1) && (hasWhippedCream) && (!hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_one_whipped_cream, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees == 1) && (!hasWhippedCream) && (hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_one_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees == 1) && (hasWhippedCream) && (hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_one_cream_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees > 1) && (!hasWhippedCream) && (!hasChocolate)) {
        textString = getString(R.string.total_coffee_cost, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees > 1) && (hasWhippedCream) && (!hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_whipped_cream, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees > 1) && (!hasWhippedCream) && (hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }
    else if ((numberOfCoffees > 1) && (hasWhippedCream) && (hasChocolate)) {
        textString = getString(R.string.total_coffee_cost_cream_chocolate, name, numberOfCoffees, numberOfCoffees * priceOfCup);
        priceMessage.setText(textString);
    }

    return priceMessage;
}