private static void ActionBarUpdateItemsSource(ActionBar actionBar)
{
switch (actionBar.GetNavigationMode())
{
case ActionBarNavigationMode.List:
#if APPCOMPAT
IItemsSourceAdapter sourceAdapter = actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter);
#else
IItemsSourceAdapter sourceAdapter = actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter);
#endif
if (sourceAdapter == null)
{
sourceAdapter = AndroidToolkitExtensions.ItemsSourceAdapterFactory(actionBar, actionBar.ThemedContext, DataContext.Empty);
#if APPCOMPAT
actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter, sourceAdapter);
#else
actionBar.SetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter, sourceAdapter);
#endif
actionBar.SetListNavigationCallbacks(sourceAdapter, new ActionBarNavigationListener(actionBar));
}
#if APPCOMPAT
sourceAdapter.ItemsSource = actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSource);
#else
sourceAdapter.ItemsSource = actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSource);
#endif
break;
case ActionBarNavigationMode.Standard:
#if APPCOMPAT
actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.SelectedItem, BindingExtensions.NullValue);
#else
actionBar.SetBindingMemberValue(AttachedMembers.ActionBar.SelectedItem, BindingExtensions.NullValue);
#endif
actionBar.SetListNavigationCallbacks(null, null);
#if APPCOMPAT
actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceGenerator)?.SetItemsSource(null);
var adapter = actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter);
#else
actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceGenerator)?.SetItemsSource(null);
var adapter = actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter);
#endif
if (adapter != null)
{
adapter.ItemsSource = null;
}
break;
case ActionBarNavigationMode.Tabs:
#if APPCOMPAT
actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceGenerator)?.SetItemsSource(actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSource));
#else
actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceGenerator)?.SetItemsSource(actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSource));
#endif
break;
}
}
private void OnBackPressing(Activity sender, CancelEventArgs args)
{
var value = _actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ContextActionBarVisible);
if (value)
{
args.Cancel = true;
}
_actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.ContextActionBarVisible, false);
}
private void OnEmptyTab()
{
#if APPCOMPAT
_actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.SelectedItem, BindingExtensions.NullValue);
#else
_actionBar.SetBindingMemberValue(AttachedMembers.ActionBar.SelectedItem, BindingExtensions.NullValue);
#endif
var value = ActionBarTemplate.GetTabContentId(_actionBar);
if (value == null)
{
return;
}
_actionBar.ThemedContext.GetActivity()?.FindViewById <FrameLayout>(value.Value)?.RemoveAllViews();
}
public bool OnNavigationItemSelected(int itemPosition, long itemId)
{
#if APPCOMPAT
var adapter = _actionBar?.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter);
#else
var adapter = _actionBar?.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter);
#endif
if (adapter == null)
{
return(false);
}
#if APPCOMPAT
_actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.SelectedItem, adapter.GetRawItem(itemPosition));
#else
_actionBar.SetBindingMemberValue(AttachedMembers.ActionBar.SelectedItem, adapter.GetRawItem(itemPosition));
#endif
return(true);
}
public void Clear(ActionBar bar, ActionBar.Tab tab)
{
var fragment = _content as Fragment;
if (fragment != null)
{
var viewModel = fragment.GetDataContext() as IViewModel;
if (viewModel != null)
viewModel.Settings.Metadata.Remove(ViewModelConstants.StateNotNeeded);
var manager = fragment.FragmentManager;
if (manager != null)
manager.BeginTransaction()
.Remove(fragment)
.CommitAllowingStateLoss();
}
tab.SetBindingMemberValue(AttachedMembers.Object.Parent, value: null);
_cleared = true;
}
