/** Update currency on activity */
public void updateCurrency() {
DecimalFormat decimalFormat = new DecimalFormat("#.00");
// update currency items.
double d;
if (editTexts.get(0).getText().toString().length() > 0) {
d = Double.parseDouble(0 + editTexts.get(0).getText().toString());
} else {
d = 0.0;
}
int pos1 = (int) spinners.get(0).getSelectedItemId(); // get the position of the first spinner
int pos2 = (int) spinners.get(1).getSelectedItemId(); // get the position of the first spinner
// update the converted value
// pos1 will be the number in the currencyItems list id.
Double convertedValue = currencyModel.updateCurrency(d, pos1, pos2);
String outputString = decimalFormat.format(convertedValue);
if (convertedValue < 1) {
outputString = "0" + outputString;
}
editTexts.get(1).setText(outputString);
// update the rate for pos1
textViews.get(0).setText(currencyModel.getRate(pos1).toString());
// update the rate for pos2
textViews.get(1).setText(currencyModel.getRate(pos2).toString());
}
@Override
protected void onPause() {
super.onPause();
if (!currencyModel.downloadFinished()) {
// if pause occured and the download is not finished, cancel it.
currencyModel.cancelDownload();
}
// write to file, the program might be killed
currencyModel.fileWrite();
}
@Override
protected void onStart() {
super.onStart();
// update the textview with update info!!
// inform user that the File is up to date or not.
dateValid();
// UpdateEnabled must be true first
// if file does not exist or the file is old - download a newer version
if ((!currencyModel.fileExists() || !currencyModel.dateValidFile())
&& currencyModel.isUpdateEnabled()) {
currencyModel.download();
} else {
// if the file is valid, update the spinners with those items.
currencyModel.updateSpinners();
}
}
/** dateValid - prints out if the file is valid in a textview */
public void dateValid() {
// update the textfield if the File is valid or not.
if (currencyModel.dateValidFile()) {
textViews.get(2).setText("File is up to date.");
} else {
textViews.get(2).setText("File is not updated.");
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
// if the settings menuitem was chosen
// create a settings intent and pass some values to it.
Intent intent = new Intent(MainActivity.this, SettingsActivity.class);
intent.putExtra("INTERVALHOUR", currencyModel.lastUpdateToHour());
intent.putExtra("INTERVALMINUTE", currencyModel.lastUpdateToMinute());
intent.putExtra("ENABLED", currencyModel.isUpdateEnabled());
startActivityForResult(intent, SETTINGS_RETURN_CODE);
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// when the settings intent has ended we need to pick up some information regarding settings.
if (requestCode == SETTINGS_RETURN_CODE) {
if (resultCode == RESULT_OK) {
Bundle extras = data.getExtras();
if (extras != null) {
// update interval
currencyModel.updateNextUpdate(
extras.getInt("INTERVALHOUR"), extras.getInt("INTERVALMINUTE"));
// update if update is going to be enabled
currencyModel.setUpdateEnabled(extras.getBoolean("ENABLED"));
System.out.println(extras.getBoolean("UPDATE"));
if (extras.getBoolean("UPDATE")) {
// if forced update was pressed, redownload.
currencyModel.download();
}
}
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// init variables
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
spinners = new ArrayList<>();
textViews = new ArrayList<>();
editTexts = new ArrayList<>();
createBindings();
currencyModel = new CurrencyModel(this);
// read from file
currencyModel.fileRead();
}