protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (disposing)
{
_defaultTextColor = null;
if (_picker != null)
{
_picker.RemoveFromSuperview();
_picker.Dispose();
_picker = null;
}
if (Control != null)
{
Control.EditingDidBegin -= OnStarted;
Control.EditingDidEnd -= OnEnded;
}
}
base.Dispose(disposing);
}
protected override void OnElementChanged(ElementChangedEventArgs <TimeSpanPicker> e)
{
if (e.NewElement != null)
{
if (Control == null)
{
var entry = CreateNativeControl();
entry.EditingDidBegin += OnStarted;
entry.EditingDidEnd += OnEnded;
_picker = new UITimeSpanPickerView();
_picker.Time = e.NewElement.Time;
_picker.MinTime = e.NewElement.MinTime;
_picker.MaxTime = e.NewElement.MaxTime;
var width = UIScreen.MainScreen.Bounds.Width;
var toolbar = new UIToolbar(new CGRect(0, 0, width, 44))
{
BarStyle = UIBarStyle.Default, Translucent = true
};
var spacer = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);
var doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, (o, a) =>
{
UpdateElementTime();
entry.ResignFirstResponder();
});
toolbar.SetItems(new[] { spacer, doneButton }, false);
entry.InputView = _picker;
entry.InputAccessoryView = toolbar;
entry.InputView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight;
entry.InputAccessoryView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight;
entry.InputAssistantItem.LeadingBarButtonGroups = null;
entry.InputAssistantItem.TrailingBarButtonGroups = null;
_defaultTextColor = entry.TextColor;
entry.AccessibilityTraits = UIAccessibilityTrait.Button;
SetNativeControl(entry);
}
UpdateFont();
UpdateTime();
UpdateTimeConstraints();
UpdateTextColor();
}
base.OnElementChanged(e);
}