void Destroy()
{
if (ShellItem != null)
{
UnhookEvents(ShellItem);
}
((IShellController)ShellContext?.Shell)?.RemoveAppearanceObserver(this);
if (_bottomSheetDialog != null)
{
_bottomSheetDialog.DismissEvent -= OnMoreSheetDismissed;
_bottomSheetDialog?.Dispose();
_bottomSheetDialog = null;
}
_navigationArea?.Dispose();
_appearanceTracker?.Dispose();
_outerLayout?.Dispose();
if (_bottomView != null)
{
_bottomView?.SetOnNavigationItemSelectedListener(null);
_bottomView?.Background?.Dispose();
_bottomView?.Dispose();
}
_bottomView = null;
_navigationArea = null;
_appearanceTracker = null;
_outerLayout = null;
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
_disposed = true;
RemoveAllViews();
foreach (Page pageToRemove in Element.Children)
{
IVisualElementRenderer pageRenderer = Android.Platform.GetRenderer(pageToRemove);
if (pageRenderer != null)
{
pageRenderer.View.RemoveFromParent();
pageRenderer.Dispose();
}
pageToRemove.PropertyChanged -= OnPagePropertyChanged;
pageToRemove.ClearValue(Android.Platform.RendererProperty);
}
if (_viewPager != null)
{
_viewPager.Adapter.Dispose();
_viewPager.Dispose();
_viewPager = null;
}
if (_tabLayout != null)
{
_tabLayout.AddOnTabSelectedListener(null);
_tabLayout.Dispose();
_tabLayout = null;
}
if (_bottomNavigationView != null)
{
_bottomNavigationView.SetOnNavigationItemSelectedListener(null);
_bottomNavigationView.SetOnNavigationItemReselectedListener(null);
_bottomNavigationView.Dispose();
_bottomNavigationView = null;
}
if (_relativeLayout != null)
{
_relativeLayout.Dispose();
_relativeLayout = null;
}
if (Element != null)
{
PageController.InternalChildren.CollectionChanged -= OnChildrenCollectionChanged;
}
_previousPage = null;
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (_tabbar != null)
{
_tabbar.Dispose();
_tabbar = null;
}
base.Dispose(disposing);
}
// Use OnDestory become OnDestroyView may fire before events are completed.
public override void OnDestroy()
{
UnhookEvents(ShellItem);
if (_bottomView != null)
{
_bottomView?.SetOnNavigationItemSelectedListener(null);
_bottomView?.Background?.Dispose();
_bottomView?.Dispose();
_bottomView = null;
_navigationArea?.Dispose();
_navigationArea = null;
_appearanceTracker?.Dispose();
_appearanceTracker = null;
_outerLayout?.Dispose();
_outerLayout = null;
}
((IShellController)ShellContext.Shell).RemoveAppearanceObserver(this);
base.OnDestroy();
}
