#pragma warning restore 618
void IDisposable.Dispose()
{
if (_disposed)
{
return;
}
_disposed = true;
SetPage(null);
if (_embedded)
{
PopupManager.Unsubscribe(_context);
}
FormsApplicationActivity.BackPressed -= HandleBackPressed;
_toolbarTracker.CollectionChanged -= ToolbarTrackerOnCollectionChanged;
_toolbarTracker.Target = null;
CurrentNavigationPage = null;
CurrentMasterDetailPage = null;
CurrentTabbedPage = null;
}
void InternalSetPage(Page page)
{
if (!Forms.IsInitialized)
{
throw new InvalidOperationException("Call Forms.Init (Activity, Bundle) before this");
}
if (_canvas != null)
{
_canvas.SetPage(page);
return;
}
PopupManager.ResetBusyCount(this);
_canvas = new Platform(this);
if (_application != null)
{
_application.Platform = _canvas;
}
_canvas.SetPage(page);
_layout.AddView(_canvas.GetViewGroup());
}
protected override void OnDestroy()
{
PreviousActivityDestroying.Reset();
if (_application != null)
{
_application.PropertyChanging -= AppOnPropertyChanging;
_application.PropertyChanged -= AppOnPropertyChanged;
}
PopupManager.Unsubscribe(this);
if (Platform != null)
{
_layout.RemoveView(Platform);
Platform.Dispose();
}
PreviousActivityDestroying.Set();
// call at the end to avoid race conditions with Platform dispose
base.OnDestroy();
}
void InternalSetPage(Page page)
{
if (!Forms.IsInitialized)
{
throw new InvalidOperationException("Call Forms.Init (Activity, Bundle) before this");
}
if (Platform != null)
{
Platform.SetPage(page);
return;
}
PopupManager.ResetBusyCount(this);
Platform = new AppCompat.Platform(this);
if (_application != null)
{
_application.Platform = Platform;
}
Platform.SetPage(page);
_layout.AddView(Platform);
_layout.BringToFront();
}
protected FormsAppCompatActivity()
{
_previousState = AndroidApplicationLifecycleState.Uninitialized;
_currentState = AndroidApplicationLifecycleState.Uninitialized;
PopupManager.Subscribe(this);
}
