private void HowMuchButton_Click(object sender, EventArgs e)
{
bool convertRateToMonths = false;
bool convertTimeToMonths = false;
if (InvestInterestYearsMonths.Text.Equals("Per Month"))
{
convertRateToMonths = true;
}
invest = new Invest(desiredAmount, presentValue, payment, r, t, convertRateToMonths, convertTimeToMonths);
HowMuchLabel.Text = "You need to save " + invest.HowMuchToSave(desiredAmount, presentValue, r, t).ToString("c2") + (convertTimeToMonths ? " a month.": " a year.");
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Create your application here
SetContentView(Resource.Layout.activity_invest_how_much_to_save);
EditText desiredAmountText = FindViewById <EditText>(Resource.Id.desired_amount_editText);
EditText currentSavingsText = FindViewById <EditText>(Resource.Id.present_value_desired_amount_editText);
EditText annualRateText = FindViewById <EditText>(Resource.Id.rate_desired_amount_editText);
EditText timeText = FindViewById <EditText>(Resource.Id.time_desired_amount_editText);
RadioButton yearButton = FindViewById <RadioButton>(Resource.Id.year_desired_amount_radioButton);
RadioButton monthButton = FindViewById <RadioButton>(Resource.Id.month_desired_amount_radioButton);
Button calculateButton = FindViewById <Button>(Resource.Id.invest_desired_amount_calculate_Button);
TextView resultTextView = FindViewById <TextView>(Resource.Id.result_desired_amount_textView);
yearButton.Click += (sender, e) =>
{
annualRateText.Hint = Resources.GetString(Resource.String.timeYears);
changeRateToMonths = false;
};
monthButton.Click += (sender, e) =>
{
changeRateToMonths = true;
annualRateText.Hint = Resources.GetString(Resource.String.timeMonths);
};
calculateButton.Click += (sender, e) =>
{
double.TryParse(desiredAmountText.Text, out desiredAmount);
double.TryParse(currentSavingsText.Text, out presentValue);
double.TryParse(annualRateText.Text, out rate);
int.TryParse(timeText.Text, out time);
invest = new Invest(0, 0, 0, 0, changeRateToMonths, false);
resultTextView.Text = invest.HowMuchToSave(desiredAmount, presentValue, rate, time).ToString("c2");
};
}
