private void Intrest_Calculate_Button_Click(object sender, EventArgs e)
{
bool convertRateToMonths = false;
bool convertTimeToMonths = false;
if (InvestInterestYearsMonths.Text.Equals("Months"))
{
convertRateToMonths = true;
}
invest = new Invest(presentValue, payment, r, t, convertRateToMonths, convertTimeToMonths);
Calculation_label.Text = "Your balance will be " + invest.FutureValue(presentValue, payment, r, t).ToString("c2");
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
//Set our view from the invest layout resource
SetContentView(Resource.Layout.activity_invest);
// Create your application here
Button calculationButton = FindViewById <Button>(Resource.Id.invest_calculate_Button);
EditText presentValueInput = FindViewById <EditText>(Resource.Id.present_value_editText);
EditText periodInput = FindViewById <EditText>(Resource.Id.period_editText);
EditText rateInput = FindViewById <EditText>(Resource.Id.rate_editText);
EditText timeInput = FindViewById <EditText>(Resource.Id.time_editText);
TextView resultTextView = FindViewById <TextView>(Resource.Id.result_textView);
RadioButton yearButton = FindViewById <RadioButton>(Resource.Id.year_radioButton);
RadioButton monthButton = FindViewById <RadioButton>(Resource.Id.month_radioButton);
yearButton.Click += (sender, e) =>
{
timeInput.Hint = Resources.GetString(Resource.String.timeYears);
changeRateToMonths = false;
};
monthButton.Click += (sender, e) =>
{
changeRateToMonths = true;
timeInput.Hint = Resources.GetString(Resource.String.timeMonths);
};
//presentValueInput.OnFocusChangeListener = FormatTextMoney(presentValueInput, presentValue);
//presentValueInput.FocusChange += (sender, e) =>
//{
// double temp;
// if (Double.TryParse(presentValueInput.Text, out temp))
// presentValue = temp;
// //presentValueInput.Text = temp.ToString("c2");
//};
//periodInput.FocusChange += (sender, e) =>
//{
// double temp;
// if (Double.TryParse(periodInput.Text, out temp))
// period = temp;
// //periodInput.Text = temp.ToString("c2");
//};
//rateInput.FocusChange += (sender, e) =>
//{
// double temp = 0;
// if (Double.TryParse(rateInput.Text, out temp))
// rate = temp;
// //rateInput.Text = temp + "%";
//};
//timeInput.FocusChange += (sender, e) =>
//{
// int.TryParse(timeInput.Text, out time);
//};
calculationButton.Click += (sender, e) =>
{
Double.TryParse(presentValueInput.Text, out presentValue);
Double.TryParse(periodInput.Text, out period);
Double.TryParse(rateInput.Text, out rate);
int.TryParse(timeInput.Text, out time);
if (presentValueInput.Text == null || periodInput.Text == null || rateInput.Text == null || timeInput.Text == null)
{
resultTextView.SetTextColor(Android.Graphics.Color.Red);
resultTextView.Text = "Please Input proper values.";
}
else
{
invest = new Invest(presentValue, period, rate, time, changeRateToMonths, false);
resultTextView.SetTextColor(Android.Graphics.Color.Green);
resultTextView.Text = invest.FutureValue(presentValue, period, rate, time).ToString("c2");
}
};
}
