@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putString("result", result);
outState.putChar("lastOp", lastOp);
outState.putBoolean("isInEquals", isInEquals);
outState.putSerializable("stack", stack.toArray(new String[stack.size()]));
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
result = savedInstanceState.getString("result");
lastOp = savedInstanceState.getChar("lastOp");
isInEquals = savedInstanceState.getBoolean("isInEquals");
stack = new Stack<String>();
stack.addAll(Arrays.asList((String[]) savedInstanceState.getSerializable("stack")));
if (lastOp != '\0' && !isInEquals) tvOp.setText(String.valueOf(lastOp));
tvResult.setText(result);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.calculator);
// vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
for (int id : buttons) {
Button b = (Button) findViewById(id);
b.setOnClickListener(this);
}
tvResult = (TextView) findViewById(R.id.result);
tvOp = (TextView) findViewById(R.id.op);
Button b = (Button) findViewById(R.id.bOK);
b.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
if (!isInEquals) {
doEqualsChar();
}
close();
}
});
b = (Button) findViewById(R.id.bCancel);
b.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
setResult(RESULT_CANCELED);
finish();
}
});
Intent intent = getIntent();
if (intent != null) {
BigDecimal amount = (BigDecimal) intent.getSerializableExtra(KEY_AMOUNT);
if (amount != null) {
setDisplay(amount.toPlainString());
}
}
}
