public BookmarksPage() : base()
{
InitializeComponent();
Xamarin.Forms.PlatformConfiguration.iOSSpecific.Page.SetUseSafeArea(this, true);
BindingContext = new BookmarksViewModel();
var cancel = new ToolbarItem
{
Text = "添加",
Command = new Command(async() =>
{
await NavigationService.PushAsync(Navigation, new BookmarksEditPage(new Bookmarks(), new Action <Bookmarks>(OnResult)));
})
};
ToolbarItems.Add(cancel);
if (Device.Android == Device.RuntimePlatform)
{
cancel.Icon = "toolbar_add.png";
}
this.BookmarksListView.ItemSelected += async delegate
{
var bookmarks = BookmarksListView.SelectedItem as Bookmarks;
if (bookmarks == null)
{
return;
}
var bookmarksDetailsPage = new BookmarksDetailsPage(bookmarks);
await NavigationService.PushAsync(Navigation, bookmarksDetailsPage);
this.BookmarksListView.SelectedItem = null;
};
}
protected override void OnAppearing()
{
base.OnAppearing();
if (!hasInitialization)
{
BindingContext = new BookmarksViewModel();
this.BookmarksListView.ItemSelected += async delegate {
var bookmarks = BookmarksListView.SelectedItem as Bookmarks;
this.BookmarksListView.SelectedItem = null;
if (bookmarks == null)
{
return;
}
var bookmarksDetailsPage = new BookmarksDetailsPage(bookmarks);
await NavigationService.PushAsync(Navigation, bookmarksDetailsPage);
};
hasInitialization = true;
}
UpdatePage();
}
