protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
TipCalculator tc = new TipCalculator();
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
EditText billTextField = FindViewById <EditText>(Resource.Id.billEditText);
SeekBar slider = FindViewById <SeekBar>(Resource.Id.slider);
TextView sliderTextView = FindViewById <TextView>(Resource.Id.slideTextView);
TextView tipTextView = FindViewById <TextView>(Resource.Id.tipTextView);
TextView totalTextView = FindViewById <TextView>(Resource.Id.totalTextView);
// updating tip and total text view when the user type an amount
billTextField.TextChanged += (object sender, Android.Text.TextChangedEventArgs e) =>
{
if (string.IsNullOrEmpty(billTextField.Text))
{
tipTextView.Text = tc.DefaultValues();
totalTextView.Text = tc.DefaultValues();
}
else
{
tipTextView.Text = tc.CalculatingTip(billTextField.Text, slider.Progress); // !
totalTextView.Text = tc.CalculatingTotal(tipTextView.Text, billTextField.Text);
}
};
// updating tip and total text view when the user make use of the slider
slider.ProgressChanged += (object sender, SeekBar.ProgressChangedEventArgs e) =>
{
sliderTextView.Text = tc.ChangingPercentageNumber(slider.Progress);
if (string.IsNullOrEmpty(billTextField.Text))
{
tipTextView.Text = tc.DefaultValues();
totalTextView.Text = tc.DefaultValues();
}
else
{
tipTextView.Text = tc.CalculatingTip(billTextField.Text, slider.Progress); // !
totalTextView.Text = tc.CalculatingTotal(tipTextView.Text, billTextField.Text);
}
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
TipCalculator tc = new TipCalculator();
// Perform any additional setup after loading the view, typically from a nib.
billTextField.BecomeFirstResponder();
// updating tip and total text label when the user type an amount
billTextField.AddTarget((object sender, EventArgs e) =>
{
if (string.IsNullOrEmpty(billTextField.Text))
{
tipLabel.Text = tc.DefaultValues();
totalLabel.Text = tc.DefaultValues();
}
else
{
tipLabel.Text = tc.CalculatingTip(billTextField.Text, slider.Value);
totalLabel.Text = tc.CalculatingTotal(tipLabel.Text, billTextField.Text);
}
}, UIControlEvent.EditingChanged);
// updating tip and total text label when the user make use of the slider
slider.ValueChanged += (object sender, EventArgs e) =>
{
sliderPercentage.Text = tc.ChangingPercentageNumber(slider.Value);
if (string.IsNullOrEmpty(billTextField.Text))
{
tipLabel.Text = tc.DefaultValues();
totalLabel.Text = tc.DefaultValues();
}
else
{
tipLabel.Text = tc.CalculatingTip(billTextField.Text, slider.Value);
totalLabel.Text = tc.CalculatingTotal(tipLabel.Text, billTextField.Text); // !
}
};
}