public DatePickerService()
{
var date = DateTime.Now;
_datePickerDialog = new DatePickerDialog(Context, this, date.Year, date.Month - 1, date.Day);
_datePickerDialog.SetOnCancelListener(this);
_timePickerDialog = new TimePickerDialog(Context, this, date.Hour, date.Minute, true);
_timePickerDialog.SetOnCancelListener(this);
}
private Task <TimeSpan?> GetExecutionDelayAsync()
{
var tcs = new TaskCompletionSource <TimeSpan?>();
var timePicker = new TimePickerDialog(Activity, Resource.Style.TimeSpinnerDialogTheme, (o, args) =>
{
var delay = new TimeSpan(args.HourOfDay, args.Minute, 0);
if (delay.Equals(TimeSpan.Zero))
{
delay = TimeSpan.FromMinutes(1);
}
tcs.TrySetResult(delay);
}, 0, 1, true);
timePicker.SetTitle("Delay");
timePicker.SetOnCancelListener(new DialogInterfaceOnCancelListener(() => { tcs.TrySetResult(null); }));
timePicker.Show();
return(tcs.Task);
}