protected virtual void UpdateFlyoutFooter()
{
if (_footerView != null)
{
var oldFooterView = _footerView;
_rootView.RemoveView(_footerView.NativeView);
_footerView = null;
oldFooterView.TearDown();
}
var footer = ((IShellController)_shellContext.Shell).FlyoutFooter;
if (footer == null)
{
return;
}
_footerView = new ShellViewRenderer(_shellContext.AndroidContext, footer);
_rootView.AddView(_footerView.NativeView);
if (_footerView.NativeView.LayoutParameters is CoordinatorLayout.LayoutParams cl)
{
cl.Gravity = (int)(GravityFlags.Bottom | GravityFlags.End);
}
UpdateFooterLayout();
UpdateContentLayout();
UpdateContentBottomMargin();
}
AView CreateFlyoutContent(ViewGroup rootView)
{
_rootView = rootView;
if (_contentView != null)
{
var oldContentView = _contentView;
_contentView = null;
oldContentView.TearDown();
}
var content = ((IShellController)ShellContext.Shell).FlyoutContent;
if (content == null)
{
var lp = new CoordinatorLayout.LayoutParams(CoordinatorLayout.LayoutParams.MatchParent, CoordinatorLayout.LayoutParams.MatchParent);
lp.Behavior = new AppBarLayout.ScrollingViewBehavior();
var context = ShellContext.AndroidContext;
Profile.FramePartition("Recycler.SetAdapter");
var recyclerView = new RecyclerViewContainer(context, new ShellFlyoutRecyclerAdapter(ShellContext, OnElementSelected))
{
LayoutParameters = lp
};
return(recyclerView);
}
_contentView = new ShellViewRenderer(ShellContext.AndroidContext, content);
_contentView.NativeView.LayoutParameters = new CoordinatorLayout.LayoutParams(LP.MatchParent, LP.MatchParent)
{
Behavior = new AppBarLayout.ScrollingViewBehavior()
};
return(_contentView.NativeView);
}
void UpdateFlyoutFooter()
{
if (_footerView != null)
{
var oldFooterView = _footerView;
_rootView.RemoveView(_footerView.NativeView);
_footerView = null;
oldFooterView.TearDown();
}
var footer = ((IShellController)_shellContext.Shell).FlyoutFooter;
if (footer == null)
{
return;
}
_footerView = new ShellViewRenderer(_shellContext.AndroidContext, footer);
_footerView.NativeView.LayoutParameters = new CoordinatorLayout.LayoutParams(LP.MatchParent, LP.WrapContent)
{
Gravity = (int)(GravityFlags.Bottom | GravityFlags.End)
};
_footerView.LayoutView(_shellContext.AndroidContext.FromPixels(_rootView.LayoutParameters.Width), -1);
_rootView.AddView(_footerView.NativeView);
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (disposing)
{
_shellContext.Shell.PropertyChanged -= OnShellPropertyChanged;
if (_flyoutHeader != null)
{
_flyoutHeader.MeasureInvalidated -= OnFlyoutHeaderMeasureInvalidated;
}
if (_appBar != null)
{
_appBar.RemoveOnOffsetChangedListener(this);
_appBar.RemoveView(_headerView);
}
if (_rootView != null && _footerView?.NativeView != null)
{
_rootView.RemoveView(_footerView.NativeView);
}
if (_recycler != null)
{
_recycler.SetLayoutManager(null);
_recycler.SetAdapter(null);
_recycler.Dispose();
}
_adapter?.Dispose();
_headerView.Dispose();
_footerView?.TearDown();
_rootView.Dispose();
_layoutManager?.Dispose();
_defaultBackgroundColor?.Dispose();
_bgImage?.Dispose();
_flyoutHeader = null;
_rootView = null;
_headerView = null;
_shellContext = null;
_appBar = null;
_recycler = null;
_adapter = null;
_defaultBackgroundColor = null;
_layoutManager = null;
_bgImage = null;
_footerView = null;
}
base.Dispose(disposing);
}
protected virtual void OnViewSet(View view)
{
if (_shellViewRenderer == null)
{
_shellViewRenderer = new ShellViewRenderer(this.Context, view);
}
else
{
_shellViewRenderer.OnViewSet(view);
}
if (_shellViewRenderer.NativeView != null)
{
AddView(_shellViewRenderer.NativeView);
}
}