public RootPage()
{
MainTabView = new TabView();
DailyView = new DailyView();
ArticleView = new ArticleView();
CollectionView = new CollectionView();
AndroidToolBarBinder.SetMiddleText(this, TabBarText[index]);
Children = new List <TabViewChildren>()
{
new TabViewChildren()
{
Text = TabBarText[0],
UnSelectTextColor = Color.Gray,
UnSelectImageSource = "daily_24dp.png",
SelectedImageSource = "daily_24dp.png",
SelectedTextColor = TabBarColorFilter,
UnSelectImageColorFilter = Color.Gray,
SelectedImageColorFilter = TabBarColorFilter,
View = DailyView,
},
new TabViewChildren()
{
Text = TabBarText[1],
UnSelectTextColor = Color.Gray,
UnSelectImageSource = "form_24dp.png",
SelectedImageSource = "form_24dp.png",
SelectedTextColor = TabBarColorFilter,
UnSelectImageColorFilter = Color.Gray,
SelectedImageColorFilter = TabBarColorFilter,
View = ArticleView,
},
new TabViewChildren()
{
Text = TabBarText[2],
UnSelectTextColor = Color.Gray,
UnSelectImageSource = "collection_24dp.png",
SelectedImageSource = "collection_24dp.png",
SelectedTextColor = TabBarColorFilter,
UnSelectImageColorFilter = Color.Gray,
SelectedImageColorFilter = TabBarColorFilter,
View = CollectionView,
},
};
MainTabView.AddChildrenViews(Children);
MainTabView.SelectedChanged += Handle_SelectedChanged;
Content = MainTabView;
}
async void Handle_SelectedChanged(object sender, TabViewChangedEventArgs e)
{
index = e.Index;
AndroidToolBarBinder.SetMiddleText(this, TabBarText[index]);
if (index == 2)
{
var toolBar = new ToolbarItem()
{
Text = "清空"
};
toolBar.Clicked += ToolBar_Clicked;
this.ToolbarItems.Add(toolBar);
await CollectionView.ViewModel.Refresh();
}
else
{
if (this.ToolbarItems.Count == 0)
{
return;
}
this.ToolbarItems[0].Clicked -= ToolBar_Clicked;
this.ToolbarItems.Clear();
}
}
public SecondPage()
{
InitializeComponent();
this.BindingContext = new SecondViewModel();
AndroidToolBarBinder.SetMiddleText(this, "Second Page");
}