public void ApplyBindings()
{
if (_layoutInflaterResult != null)
{
_layoutInflaterResult?.ApplyBindings();
_layoutInflaterResult = null;
}
}
public ViewHolderImpl(LayoutInflaterResult result, int viewType)
: base(result.View)
{
if (viewType != global::Android.Resource.Layout.SimpleListItem1)
{
_bindingContext = BindingServiceProvider.ContextManager.GetBindingContext(result.View);
_layoutInflaterResult = result;
}
}
private static bool MenuItemUpdateActionView(IBindingMemberInfo bindingMemberInfo, IMenuItem menuItem, object content)
{
var actionView = menuItem.GetActionView();
if (actionView != null)
{
ParentObserver.Set(actionView, null);
}
object template = menuItem.GetBindingMemberValue(AttachedMembers.MenuItem.ActionViewTemplateSelector)?.SelectTemplate(content, menuItem);
if (template != null)
{
content = template;
}
if (content == null)
{
#if APPCOMPAT
MenuItemCompat.SetActionView(menuItem, null);
#else
menuItem.SetActionView(null);
#endif
return(true);
}
LayoutInflaterResult result = null;
int viewId;
if (int.TryParse(content.ToString(), out viewId))
{
result = GetContextFromItem(menuItem).GetBindableLayoutInflater().InflateEx(viewId, null, false);
content = result.View;
}
actionView = content as View;
if (actionView == null)
{
Type viewType = TypeCache <View> .Instance.GetTypeByName(content.ToString(), true, true);
actionView = viewType.CreateView(GetContextFromItem(menuItem));
}
#if APPCOMPAT
MenuItemCompat.SetActionView(menuItem, actionView);
#else
menuItem.SetActionView(actionView);
#endif
ParentObserver.Set(actionView, menuItem);
var bindings = GetActionViewBind(menuItem);
if (!string.IsNullOrEmpty(bindings))
{
BindingServiceProvider.BindingProvider.CreateBindingsFromString(actionView, bindings, null);
}
result?.ApplyBindings();
return(true);
}
public static LayoutInflaterResult InflateEx(this LayoutInflater layoutInflater, XmlReader parser, ViewGroup root, bool attachToRoot)
{
var oldResult = CurrentLayoutInflaterResult;
try
{
var result = new LayoutInflaterResult();
CurrentLayoutInflaterResult = result;
result.View = layoutInflater.Inflate(parser, root, attachToRoot);
return(result);
}
finally
{
CurrentLayoutInflaterResult = oldResult;
}
}
public static void RegisterActionBarTabMembers()
{
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBarTab.Content.Override <ActionBar.Tab>()));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBarTab.ContentTemplateSelector.Override <ActionBar.Tab>()));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBarTab.ContentTemplate.Override <ActionBar.Tab>()));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember <ActionBar.Tab, string>(nameof(ActionBar.Tab.ContentDescription),
(info, tab) => tab.ContentDescription,
(info, tab, value) =>
{
tab.SetContentDescription(value);
return(true);
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBarTab.CustomView.Override <ActionBar.Tab>(),
(info, tab) => tab.CustomView, (info, tab, value) =>
{
LayoutInflaterResult result = null;
if (tab.CustomView != null)
{
ParentObserver.Set(tab.CustomView, null);
}
if (value is int)
{
result = GetContextFromItem(tab).GetBindableLayoutInflater().InflateEx((int)value, null, false);
value = result.View;
}
tab.SetCustomView((View)value);
if (tab.CustomView != null)
{
ParentObserver.Set(tab.CustomView, tab);
}
result?.ApplyBindings();
return(true);
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBarTab.Icon.Override <ActionBar.Tab>(),
(info, tab) => tab.Icon, (info, tab, value) =>
{
if (value is int)
{
tab.SetIcon((int)value);
}
else
{
tab.SetIcon((Drawable)value);
}
return(true);
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember <ActionBar.Tab, string>(nameof(ActionBar.Tab.Text),
(info, tab) => tab.Text,
(info, tab, value) =>
{
tab.SetText(value);
return(true);
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember <ActionBar.Tab, Object>(nameof(ActionBar.Tab.Tag),
(info, tab) => tab.Tag,
(info, tab, value) =>
{
tab.SetTag(value);
return(true);
}));
}
public static void RegisterActionBarMembers()
{
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBar.ItemsSource.Override <ActionBar>(), (bar, args) => ActionBarUpdateItemsSource(bar)));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBar.SelectedItem.Override <ActionBar>(), ActionBarSelectedItemChanged));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBar.ContextActionBarVisible.Override <ActionBar>(), ActionBarContextActionBarVisibleChanged));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBar.ContextActionBarTemplate.Override <ActionBar>()));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.BackgroundDrawable.Override <ActionBar>(),
(actionBar, args) =>
{
if (args.NewValue is int)
{
actionBar.SetBackgroundDrawable(
actionBar.ThemedContext.Resources.GetDrawable((int)args.NewValue));
}
else
{
actionBar.SetBackgroundDrawable((Drawable)args.NewValue);
}
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBar.CustomView.Override <ActionBar>(),
(info, actionBar) => actionBar.CustomView,
(info, actionBar, value) =>
{
LayoutInflaterResult result = null;
if (actionBar.CustomView != null)
{
ParentObserver.Set(actionBar.CustomView, null);
}
if (value is int)
{
result = actionBar.ThemedContext.GetBindableLayoutInflater().InflateEx((int)value, null, false);
value = result.View;
}
actionBar.CustomView = (View)value;
if (actionBar.CustomView != null)
{
ParentObserver.Set(actionBar.CustomView, actionBar);
}
result?.ApplyBindings();
return(true);
}));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.DisplayHomeAsUpEnabled.Override <ActionBar>(),
(actionBar, args) => actionBar.SetDisplayHomeAsUpEnabled(args.NewValue)));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBar.DisplayOptions.Override <ActionBar>().Cast <ActionBarDisplayOptions>(),
(info, actionBar) => actionBar.GetActionBarDisplayOptions(),
(info, actionBar, value) =>
{
actionBar.SetActionBarDisplayOptions(value);
return(true);
}));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.DisplayShowCustomEnabled.Override <ActionBar>(),
(actionBar, args) => actionBar.SetDisplayShowCustomEnabled(args.NewValue)));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.DisplayShowHomeEnabled.Override <ActionBar>(),
(actionBar, args) => actionBar.SetDisplayShowHomeEnabled(args.NewValue)));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.DisplayShowTitleEnabled.Override <ActionBar>(),
(actionBar, args) => actionBar.SetDisplayShowTitleEnabled(args.NewValue)));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.DisplayUseLogoEnabled.Override <ActionBar>(),
(actionBar, args) => actionBar.SetDisplayUseLogoEnabled(args.NewValue)));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.HomeButtonEnabled.Override <ActionBar>(),
(actionBar, args) => actionBar.SetHomeButtonEnabled(args.NewValue)));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.Icon.Override <ActionBar>(), (actionBar, args) =>
{
if (args.NewValue is int)
{
actionBar.SetIcon((int)args.NewValue);
}
else
{
actionBar.SetIcon((Drawable)args.NewValue);
}
}));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.Logo.Override <ActionBar>(), (actionBar, args) =>
{
if (args.NewValue is int)
{
actionBar.SetLogo((int)args.NewValue);
}
else
{
actionBar.SetLogo((Drawable)args.NewValue);
}
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBar.NavigationMode.Override <ActionBar>().Cast <ActionBarNavigationMode>(),
(info, actionBar) => actionBar.GetNavigationMode(), ActionBarSetNavigationMode));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.SplitBackgroundDrawable.Override <ActionBar>(),
(actionBar, args) =>
{
if (args.NewValue is int)
{
actionBar.SetSplitBackgroundDrawable(
actionBar.ThemedContext.Resources.GetDrawable((int)args.NewValue));
}
else
{
actionBar.SetSplitBackgroundDrawable((Drawable)args.NewValue);
}
}));
MemberProvider.Register(AttachedBindingMember
.CreateAutoProperty(AttachedMembers.ActionBar.StackedBackgroundDrawable.Override <ActionBar>(),
(actionBar, args) =>
{
if (args.NewValue is int)
{
actionBar.SetStackedBackgroundDrawable(
actionBar.ThemedContext.Resources.GetDrawable((int)args.NewValue));
}
else
{
actionBar.SetStackedBackgroundDrawable((Drawable)args.NewValue);
}
}));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBar.IsShowing.Override <ActionBar>(), (info, actionBar) => actionBar.IsShowing, SetActionBarIsShowing));
MemberProvider.Register(AttachedBindingMember
.CreateNotifiableMember(AttachedMembers.ActionBar.Visible.Override <ActionBar>(), (info, actionBar) => actionBar.IsShowing, SetActionBarIsShowing));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBar.DropDownItemTemplate.Override <ActionBar>()));
MemberProvider.Register(AttachedBindingMember.CreateAutoProperty(AttachedMembers.ActionBar.DropDownItemTemplateSelector.Override <ActionBar>()));
}
private void SetContent(ActionBar.Tab tab, FragmentTransaction ft, int?placeHolder, Activity activity, ActionBar bar)
{
if (placeHolder == null)
{
Tracer.Error("The placeholder for tab {0} was not found.", tab);
return;
}
var layout = activity.FindViewById <ViewGroup>(placeHolder.Value);
if (layout == null)
{
Tracer.Warn("The ActionBarTabContentId with id = {0} is not found in activity {1}",
placeHolder.Value,
activity);
return;
}
if (_content == null)
{
#if APPCOMPAT
_content = tab.GetBindingMemberValue(AttachedMembersCompat.ActionBarTab.Content);
#else
_content = tab.GetBindingMemberValue(AttachedMembers.ActionBarTab.Content);
#endif
LayoutInflaterResult result = null;
var viewModel = _content as IViewModel;
if (viewModel == null)
{
var fragmentClass = _content as string;
//If content is a string, trying to create a fragment.
if (!string.IsNullOrEmpty(fragmentClass))
{
var type = TypeCache <Fragment> .Instance.GetTypeByName(fragmentClass, true, false);
if (type != null)
{
var fragment = Fragment.Instantiate(bar.ThemedContext, Java.Lang.Class.FromType(type).Name);
_content = fragment;
}
}
else if (_content is int)
{
result = activity.GetBindableLayoutInflater().InflateEx((int)_content, null, false);
_content = result.View;
}
}
else
{
viewModel.Settings.Metadata.AddOrUpdate(ViewModelConstants.StateNotNeeded, true);
}
_content = AndroidToolkitExtensions.GetContentView(layout, layout.Context, _content,
_contentTemplateProvider.GetTemplateId(), _contentTemplateProvider.GetDataTemplateSelector());
if (BindingServiceProvider.BindingManager.GetBindings(tab, AttachedMembersBase.Object.DataContext).Any())
{
_content.SetBindingMemberValue(AttachedMembersBase.Object.Parent, tab);
}
layout.SetContentView(_content, ft, (group, fragment, arg3) =>
{
if (fragment.IsDetached)
{
arg3.Attach(fragment);
}
else
{
arg3.Replace(group.Id, fragment);
}
});
result?.ApplyBindings();
}
else
{
layout.SetContentView(_content, ft, (group, fragment, arg3) => arg3.Attach(fragment));
}
}
protected virtual View CreateView(object value, ViewGroup parent, int templateId, out LayoutInflaterResult inflaterResult)
{
inflaterResult = LayoutInflater.InflateEx(templateId, parent, false);
inflaterResult.View.SetTag(Resource.Id.ListTemplateId, templateId);
return(inflaterResult.View);
}
protected virtual View CreateView(object value, View convertView, ViewGroup parent, DataTemplateProvider templateProvider, int defaultTemplate, out LayoutInflaterResult inflaterResult)
{
inflaterResult = null;
var valueView = value as View;
if (valueView != null)
{
return(valueView);
}
int?templateId = null;
int id;
if (templateProvider.TrySelectResourceTemplate(value, out id))
{
templateId = id;
}
else
{
object template;
if (templateProvider.TrySelectTemplate(value, convertView, out template))
{
if (template != null)
{
if (ReferenceEquals(convertView, template))
{
return(convertView);
}
valueView = template as View;
if (valueView != null)
{
valueView.SetDataContext(value);
return(valueView);
}
if (template is int)
{
templateId = (int)template;
}
else
{
value = template;
}
}
}
else
{
templateId = templateProvider.GetTemplateId();
}
}
if (templateId == null)
{
if (!(convertView is TextView))
{
convertView = LayoutInflater.Inflate(defaultTemplate, null);
}
var textView = convertView as TextView;
if (textView != null)
{
textView.Text = value.ToStringSafe("(null)");
}
return(textView);
}
var oldId = GetViewTemplateId(convertView);
if (oldId == null || oldId.Value != templateId.Value)
{
convertView = CreateView(value, parent, templateId.Value, out inflaterResult);
}
convertView.SetDataContext(value);
return(convertView);
}