public static void GoTo <TViewModel>(this NavigateHelper <TViewModel> uriBuilder)
{
var navigationService = IoC.Get <INavigationService>();
uriBuilder.Navigate();
while (navigationService.BackStack.Count > 0)
{
navigationService.BackStack.RemoveAt(0);
}
}
public static void Navigate <TViewModel>(this NavigateHelper <TViewModel> uriBuilder, INavigationService navigationService, Action <TViewModel> action) where TViewModel : class
{
NavigatedEventHandler navigationServerOnNavigated = null;
navigationServerOnNavigated = (s, e) =>
{
var viewModel = ViewModelLocator.LocateForView(e.Content) as TViewModel;
if (viewModel != null)
{
action(viewModel);
}
navigationService.Navigated -= navigationServerOnNavigated;
};
navigationService.Navigated += navigationServerOnNavigated;
uriBuilder.Navigate();
}
/// <summary>
/// 重定向页面
/// </summary>
public static void Redirect <TViewModel>(this NavigateHelper <TViewModel> navigateHelper, bool animated = true)
{
//获取导航页
NavigationPage navigationPage = ResolveMediator.Resolve <NavigationPage>();
//获取导航前页面
IList <Page> prevPages = new List <Page>(navigationPage.Navigation.NavigationStack);
//导航至新页面
navigateHelper.Navigate(animated);
//移除导航前页面
foreach (Page prevPage in prevPages)
{
navigationPage.Navigation.RemovePage(prevPage);
}
}