// Use OnDestroy instead of OnDestroyView because OnDestroyView will be
// called before the animation completes. This causes tons of tiny issues.
public override void OnDestroy()
{
base.OnDestroy();
if (_rootView != null)
{
UnhookEvents();
var adapter = _viewPager.Adapter;
_viewPager.Adapter = null;
adapter.Dispose();
_toolbarAppearanceTracker.Dispose();
_tabLayoutAppearanceTracker.Dispose();
_viewPager.RemoveOnPageChangeListener(this);
_rootView.Dispose();
_toolbarTracker.Dispose();
_tablayout.Dispose();
_toolbar.Dispose();
_viewPager.Dispose();
_rootView.Dispose();
}
_toolbarAppearanceTracker = null;
_tabLayoutAppearanceTracker = null;
_toolbarTracker = null;
_toolbar = null;
_tablayout = null;
_rootView = null;
_viewPager = null;
}
// Use OnDestroy instead of OnDestroyView because OnDestroyView will be
// called before the animation completes. This causes tons of tiny issues.
public override void OnDestroy()
{
base.OnDestroy();
_shellPageContainer.RemoveAllViews();
_renderer?.Dispose();
_root?.Dispose();
_toolbarTracker.Dispose();
_appearanceTracker.Dispose();
((IShellController)_shellContext.Shell).RemoveAppearanceObserver(this);
if (_shellContent != null)
{
((IShellContentController)_shellContent).RecyclePage(_page);
_page.ClearValue(Platform.RendererProperty);
_page = null;
}
_appearanceTracker = null;
_toolbar = null;
_toolbarTracker = null;
_root = null;
_renderer = null;
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
RemoveAllViews();
if (_renderer != null)
{
_renderer.Dispose();
_renderer = null;
_modal.ClearValue(Android.Platform.RendererProperty);
_modal.PropertyChanged -= OnModalPagePropertyChanged;
_modal = null;
}
if (_backgroundView != null)
{
_backgroundView.Dispose();
_backgroundView = null;
}
}
_disposed = true;
base.Dispose(disposing);
}
void Destroy()
{
((IShellController)_shellContext.Shell).RemoveAppearanceObserver(this);
if (_shellContent != null)
{
((IShellContentController)_shellContent).RecyclePage(_page);
_page.Handler = null;
}
if (_shellPageContainer != null)
{
_shellPageContainer.RemoveAllViews();
if (_root is ViewGroup vg)
{
vg.RemoveView(_shellPageContainer);
}
_shellPageContainer.Dispose();
}
_root?.Dispose();
_toolbarTracker?.Dispose();
_appearanceTracker?.Dispose();
_appearanceTracker = null;
_toolbarTracker = null;
_toolbar = null;
_root = null;
_viewhandler = null;
_shellContent = null;
_shellPageContainer = null;
}
void Destroy()
{
((IShellController)_shellContext.Shell).RemoveAppearanceObserver(this);
if (_shellContent != null)
{
((IShellContentController)_shellContent).RecyclePage(_page);
_page.ClearValue(AppCompat.Platform.RendererProperty);
_page = null;
}
if (_shellPageContainer != null)
{
_shellPageContainer.RemoveAllViews();
if (_root is ViewGroup vg)
{
vg.RemoveView(_shellPageContainer);
}
}
_renderer?.Dispose();
_root?.Dispose();
_toolbarTracker?.Dispose();
_appearanceTracker?.Dispose();
_appearanceTracker = null;
_toolbarTracker = null;
_toolbar = null;
_root = null;
_renderer = null;
_shellContent = null;
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (disposing)
{
CloseContextActions();
MessagingCenter.Unsubscribe <ListViewAdapter>(this, Platform.CloseContextActionsSignalName);
_realListView.OnItemClickListener = null;
_realListView.OnItemLongClickListener = null;
var templatedItems = TemplatedItemsView.TemplatedItems;
templatedItems.CollectionChanged -= OnCollectionChanged;
templatedItems.GroupedCollectionChanged -= OnGroupedCollectionChanged;
_listView.ItemSelected -= OnItemSelected;
if (_lastSelected != null)
{
_lastSelected.Dispose();
_lastSelected = null;
}
DisposeCells();
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
CloseContextAction();
var platform = _listView.Platform;
if (platform.GetType() == typeof(AppCompat.Platform))
{
MessagingCenter.Unsubscribe <AppCompat.Platform>(this, Platform.CloseContextActionsSignalName);
}
else
{
MessagingCenter.Unsubscribe <Platform>(this, Platform.CloseContextActionsSignalName);
}
_realListView.OnItemClickListener = null;
_realListView.OnItemLongClickListener = null;
var templatedItems = TemplatedItemsView.TemplatedItems;
templatedItems.CollectionChanged -= OnCollectionChanged;
templatedItems.GroupedCollectionChanged -= OnGroupedCollectionChanged;
_listView.ItemSelected -= OnItemSelected;
if (_lastSelected != null)
{
_lastSelected.Dispose();
_lastSelected = null;
}
}
base.Dispose(disposing);
}
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;
}
void Destroy()
{
if (_rootView != null)
{
UnhookEvents();
_viewPager.RemoveOnPageChangeListener(this);
var adapter = _viewPager.Adapter;
_viewPager.Adapter = null;
adapter.Dispose();
_tablayout.LayoutChange -= OnTabLayoutChange;
_toolbarAppearanceTracker.Dispose();
_tabLayoutAppearanceTracker.Dispose();
_toolbarTracker.Dispose();
_tablayout.Dispose();
_toolbar.Dispose();
_viewPager.Dispose();
_rootView.Dispose();
}
_toolbarAppearanceTracker = null;
_tabLayoutAppearanceTracker = null;
_toolbarTracker = null;
_tablayout = null;
_toolbar = null;
_viewPager = null;
_rootView = null;
}
protected override void Dispose(bool disposing)
{
if (CheckFlagsForDisposed())
{
return;
}
_flags |= VisualElementRendererFlags.Disposed;
if (disposing)
{
SetOnClickListener(null);
SetOnTouchListener(null);
EffectUtilities.UnregisterEffectControlProvider(this, Element);
if (Tracker != null)
{
Tracker.Dispose();
Tracker = null;
}
if (_packager != null)
{
_packager.Dispose();
_packager = null;
}
if (_gestureManager != null)
{
_gestureManager.Dispose();
_gestureManager = null;
}
if (ManageNativeControlLifetime)
{
int count = ChildCount;
for (var i = 0; i < count; i++)
{
AView child = GetChildAt(i);
child.Dispose();
}
}
if (Element != null)
{
Element.PropertyChanged -= _propertyChangeHandler;
if (Platform.GetRenderer(Element) == this)
{
Platform.SetRenderer(Element, null);
}
Element = null;
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (disposing)
{
if (Element != null)
{
Element.PropertyChanged -= OnElementPropertyChanged;
}
if (_visualElementTracker != null)
{
_visualElementTracker.Dispose();
_visualElementTracker = null;
}
if (_visualElementPackager != null)
{
_visualElementPackager.Dispose();
_visualElementPackager = null;
}
if (_backgroundDrawable != null)
{
_backgroundDrawable.Dispose();
_backgroundDrawable = null;
}
if (_visualElementRenderer != null)
{
_visualElementRenderer.Dispose();
_visualElementRenderer = null;
}
int count = ChildCount;
for (var i = 0; i < count; i++)
{
AView child = GetChildAt(i);
child.Dispose();
}
if (Element != null)
{
if (Platform.GetRenderer(Element) == this)
{
Element.ClearValue(Platform.RendererProperty);
}
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (disposing)
{
if (Element != null)
{
Element.PropertyChanged -= OnElementPropertyChanged;
}
if (_visualElementTracker != null)
{
_visualElementTracker.Dispose();
_visualElementTracker = null;
}
if (_visualElementPackager != null)
{
_visualElementPackager.Dispose();
_visualElementPackager = null;
}
if (_backgroundDrawable != null)
{
_backgroundDrawable.Dispose();
_backgroundDrawable = null;
}
if (_visualElementRenderer != null)
{
_visualElementRenderer.Dispose();
_visualElementRenderer = null;
}
while (ChildCount > 0)
{
AView child = GetChildAt(0);
child.RemoveFromParent();
child.Dispose();
}
if (Element != null)
{
if (AppCompat.Platform.GetRenderer(Element) == this)
{
Element.ClearValue(AppCompat.Platform.RendererProperty);
}
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if ((_flags & VisualElementRendererFlags.Disposed) != 0)
{
return;
}
_flags |= VisualElementRendererFlags.Disposed;
if (disposing)
{
SetOnClickListener(null);
SetOnTouchListener(null);
if (Tracker != null)
{
Tracker.Dispose();
Tracker = null;
}
if (_packager != null)
{
_packager.Dispose();
_packager = null;
}
if (ManageNativeControlLifetime)
{
int count = ChildCount;
for (var i = 0; i < count; i++)
{
AView child = GetChildAt(i);
child.Dispose();
}
}
RemoveAllViews();
if (Element != null)
{
Element.PropertyChanged -= _propertyChangeHandler;
if (Platform.GetRenderer(Element) == this)
{
Platform.SetRenderer(Element, null);
}
Element = null;
}
}
base.Dispose(disposing);
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
try
{
if (accessibilityManager != null)
{
accessibilityManager.RemoveAccessibilityStateChangeListener(accessibilityListener);
accessibilityManager.RemoveTouchExplorationStateChangeListener(accessibilityListener);
accessibilityListener.Dispose();
accessibilityManager = null;
accessibilityListener = null;
}
if (View != null)
{
View.LayoutChange -= OnLayoutChange;
View.Touch -= OnTouch;
View.Click -= OnClick;
if (Build.VERSION.SdkInt >= BuildVersionCodes.M && View.Foreground == ripple)
{
View.Foreground = null;
}
}
effect.Element = null;
effect = null;
if (rippleView != null)
{
rippleView.Pressed = false;
rippleView.Background = null;
Group?.RemoveView(rippleView);
rippleView.Dispose();
rippleView = null;
}
ripple?.Dispose();
ripple = null;
}
catch (ObjectDisposedException)
{
// Suppress exception
}
isHoverSupported = false;
}
public override void OnDestroy()
{
if (view != null)
{
view.ViewHandler = null;
}
if (currentBuiltView != null)
{
currentBuiltView?.Dispose();
currentBuiltView = null;
}
base.OnDestroy();
this.Dispose();
}
void ClearCell(AView view)
{
var body = view.FindViewById <LinearLayout>(Resource.Id.ContentCellBody);
if (body != null)
{
var border = view.FindViewById(Resource.Id.ContentCellBorder);
var nativeCell = body.GetChildAt(0);
nativeCell.Dispose();
border.Dispose();
body.Dispose();
view.Dispose();
return;
}
var headerText = view.FindViewById <TextView>(Resource.Id.HeaderCellText);
if (headerText != null)
{
var border = view.FindViewById <LinearLayout>(Resource.Id.HeaderCellBorder);
headerText.Dispose();
border?.Dispose();
view.Dispose();
return;
}
var footerText = view.FindViewById <TextView>(Resource.Id.FooterCellText);
if (footerText != null)
{
footerText.Dispose();
footerText = null;
view.Dispose();
return;
}
}
public override void OnDestroy()
{
PerformDismiss(false);
if (HView != null)
{
HView.ViewHandler = null;
}
if (currentBuiltView != null)
{
currentBuiltView?.Dispose();
currentBuiltView = null;
}
base.OnDestroy();
this.Dispose();
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing && !_disposed)
{
_disposed = true;
((IShellController)_shellContext.Shell).StructureChanged -= OnShellStructureChanged;
_lookupTable.Clear();
_headerView.Dispose();
_headerView = null;
_shellContext = null;
}
}
protected override void Dispose(bool disposing)
{
if (_isDisposed)
{
return;
}
_isDisposed = true;
if (disposing)
{
while (ChildCount > 0)
{
AView child = GetChildAt(0);
child.RemoveFromParent();
child.Dispose();
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
_disposed = true;
if (_gestureListener != null)
{
_gestureListener.Dispose();
_gestureListener = null;
}
if (_visualElementTracker != null)
{
_visualElementTracker.Dispose();
_visualElementTracker = null;
}
if (_visualElementPackager != null)
{
_visualElementPackager.Dispose();
_visualElementPackager = null;
}
int count = ChildCount;
for (var i = 0; i < count; i++)
{
AView child = GetChildAt(i);
child.Dispose();
}
if (Element != null)
{
Element.PropertyChanged -= OnElementPropertyChanged;
UnsubscribeGestureRecognizers(Element);
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (disposing)
{
_gestureManager?.Dispose();
if (_visualElementTracker != null)
{
_visualElementTracker.Dispose();
_visualElementTracker = null;
}
if (_visualElementPackager != null)
{
_visualElementPackager.Dispose();
_visualElementPackager = null;
}
int count = ChildCount;
for (var i = 0; i < count; i++)
{
AView child = GetChildAt(i);
child.Dispose();
}
if (Element != null)
{
Element.PropertyChanged -= OnElementPropertyChanged;
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
CloseContextAction();
MessagingCenter.Unsubscribe <Platform>(this, Platform.CloseContextActionsSignalName);
_realListView.OnItemClickListener = null;
_realListView.OnItemLongClickListener = null;
_listView.TemplatedItems.CollectionChanged -= OnCollectionChanged;
_listView.TemplatedItems.GroupedCollectionChanged -= OnGroupedCollectionChanged;
_listView.ItemSelected -= OnItemSelected;
if (_lastSelected != null)
{
_lastSelected.Dispose();
_lastSelected = null;
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
_disposed = true;
RemoveAllViews();
if (_renderer != null)
{
_renderer.Dispose();
_renderer = null;
_modal.ClearValue(Android.Platform.RendererProperty);
_modal = null;
}
if (_backgroundView != null)
{
_backgroundView.Dispose();
_backgroundView = 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();
}
protected override void Dispose(bool disposing)
{
if ((_flags & VisualElementRendererFlags.Disposed) != 0)
{
return;
}
_flags |= VisualElementRendererFlags.Disposed;
if (disposing)
{
if (Tracker != null)
{
Tracker.Dispose();
Tracker = null;
}
if (_packager != null)
{
_packager.Dispose();
_packager = null;
}
if (_scaleDetector != null && _scaleDetector.IsValueCreated)
{
_scaleDetector.Value.Dispose();
_scaleDetector = null;
}
if (_gestureListener != null)
{
_gestureListener.Dispose();
_gestureListener = null;
}
if (ManageNativeControlLifetime)
{
int count = ChildCount;
for (var i = 0; i < count; i++)
{
AView child = GetChildAt(i);
child.Dispose();
}
}
RemoveAllViews();
if (Element != null)
{
Element.PropertyChanged -= _propertyChangeHandler;
UnsubscribeGestureRecognizers(Element);
if (Platform.GetRenderer(Element) == this)
{
Platform.SetRenderer(Element, null);
}
Element = null;
}
}
base.Dispose(disposing);
}
