public void buttonClicked(View v) {
TextView t = (TextView) findViewById(R.id.text);
switch (v.getId()) {
case R.id.buttonClear:
StringBuffer sb = new StringBuffer(t.getText());
if (sb.length() != 0) {
sb.deleteCharAt(sb.length() - 1);
t.setText(sb);
}
break;
case R.id.buttonAdd:
numbers.add(t.getText().toString());
operators.add("+");
t.setText("0");
break;
case R.id.buttonSubtract:
numbers.add(t.getText().toString());
operators.add("-");
t.setText("0");
break;
case R.id.buttonMultiply:
numbers.add(t.getText().toString());
operators.add("*");
t.setText("0");
break;
case R.id.buttonDivide:
numbers.add(t.getText().toString());
operators.add("/");
t.setText("0");
break;
case R.id.buttonEquals:
numbers.add(t.getText().toString());
for (String s : numbers) {
Log.i("MyActivitty", s);
}
for (String s : operators) Log.i("MyActivitty", s);
double d = Double.parseDouble(numbers.get(0));
for (int i = 0; i < numbers.size() - 1; i++) {
switch (operators.get(i)) {
case "+":
d = Functions.add(d, Double.parseDouble(numbers.get(i + 1)));
break;
case "-":
d = Functions.minus(d, Double.parseDouble(numbers.get(i + 1)));
break;
case "*":
d = Functions.multiply(d, Double.parseDouble(numbers.get(i + 1)));
break;
case "/":
d = Functions.divide(d, Double.parseDouble(numbers.get(i + 1)));
break;
}
}
t.setText(Double.toString(d));
clearLists();
}
}
public static void main(String[] args) {
InputOutput inout = new InputOutput("pol.txt");
p1 = inout.getP1();
p2 = inout.getP2();
Functions function = new Functions(p1, p2);
FileWriter fileWriter = null;
BufferedWriter bufferedWriter = null;
try {
fileWriter = new FileWriter("output.txt");
bufferedWriter = new BufferedWriter(fileWriter);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
System.out.println("An error occured.");
}
String command = inout.getCommands();
while (!command.isEmpty()) {
String[] part = command.split(" ");
switch (part[0]) {
case "ADD":
function.add(bufferedWriter);
break;
case "SUBTRACT":
function.subtract(bufferedWriter);
break;
case "MULTIPLY":
function.multiply(bufferedWriter);
break;
case "MUL_SCAL":
function.scalarMultiplication(bufferedWriter, Integer.parseInt(part[1]));
break;
case "EVAL":
function.evaluate(bufferedWriter, Integer.parseInt(part[1]));
break;
default:
System.out.println("Unknown command " + command + ".");
break;
}
command = inout.getCommands();
}
}
