Dct4 Calculator __hot__ — Nokia

tfNumber1 = new TextField("Number 1: ", "", 10, TextField.NUMERIC); form.append(tfNumber1);

StringItem siResult = new StringItem("Result: ", ""); form.append(siResult); nokia dct4 calculator

public void startApp() { Form form = new Form("Calculator"); tfNumber1 = new TextField("Number 1: ", "", 10, TextField

form.setCommandListener(new CommandListener() { public void commandAction(Command c, Displayable d) { if (c == cmdAdd) { operator = "+"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdSub) { operator = "-"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdMul) { operator = "*"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdDiv) { operator = "/"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdEq) { if (isNumber1) { num1 = tfNumber1.getString(); } else { num2 = tfNumber2.getString(); } tfNumber1 = new TextField("Number 1: "