async partial void ButtonQuote_TouchUpInside(UIButton sender)
{
if (string.IsNullOrWhiteSpace(TextSymbol.Text))
{
var alert = new UIAlertView("No symbol", string.Empty, null, "OK");
alert.Show();
return;
}
TextSymbol.ResignFirstResponder();
ProgressBar.StartAnimating();
var quoteTask = viewModel.GetQuote(TextSymbol.Text);
var historyTask = viewModel.GetHistory(
TextSymbol.Text,
DateTime.Today.AddDays(-14),
DateTime.Today);
await Task.WhenAll(quoteTask, historyTask);
var quote = quoteTask.Result;
if (quote == null)
{
LabelQuote.Text = "Invalid";
ProgressBar.StopAnimating();
return;
}
LabelQuote.Text = quote.CurrentQuote + " | " + quote.Change;
LabelQuote.TextColor = quote.StockIsUp ? UIColor.Green : UIColor.Red;
var items = historyTask.Result;
if (items != null)
{
barChart.ItemsSource = items.Select(
s => new BarChart.BarModel
{
Value = s.Value,
Legend = s.Date.Remove(0, 5)
}).ToList();
}
ProgressBar.StopAnimating();
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// 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
Button button = FindViewById <Button>(Resource.Id.MyButton);
var quoteLable = FindViewById <TextView>(Resource.Id.textView1);
var symbol = FindViewById <EditText>(Resource.Id.editText1);
var progressBar = FindViewById <ProgressBar>(Resource.Id.progressBar1);
mainLayout = FindViewById <LinearLayout>(Resource.Id.main);
progressBar.Visibility = ViewStates.Invisible;
quoteLable.Text = string.Empty;
button.Click += async(sender, args) =>
{
progressBar.Visibility = ViewStates.Visible;
if (string.IsNullOrWhiteSpace(symbol.Text))
{
quoteLable.Text = "Invalid";
progressBar.Visibility = ViewStates.Invisible;
return;
}
var quote = await viewModel.GetQuote(symbol.Text.Trim());
if (quote != null)
{
quoteLable.Text = quote.CurrentQuote + " | " + quote.Change;
quoteLable.SetTextColor(quote.StockIsUp ? Color.Green : Color.Red);
}
var items = await viewModel.GetHistory(
symbol.Text.Trim(),
DateTime.Today.AddDays(-14),
DateTime.Today);
if (items != null)
{
data = items.Select(
s => new BarChart.BarModel
{
Value = s.Value,
Legend = s.Date.Remove(0, 5),
Color = Android.Graphics.Color.Orange
});
RunOnUiThread(() =>
{
if (barChart != null)
{
mainLayout.RemoveView(barChart);
}
barChart = new BarChartView(this);
barChart.ItemsSource = data;
barChart.BarOffset = 30;
barChart.MinimumValue = items.Min(i => i.Value);
barChart.LegendColor = Android.Graphics.Color.Black;
barChart.BarCaptionOuterColor = Android.Graphics.Color.Black;
barChart.BarCaptionFontSize = 28;
mainLayout.AddView(barChart, new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.FillParent, ViewGroup.LayoutParams.FillParent));
});
}
progressBar.Visibility = ViewStates.Invisible;
};
}