async Task NavigateToRandomPageAsync()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string animalName = string.Empty;
//switch (destinationRoute)
//{
// case "monkeydetails":
// animalName = MonkeyData.Monkeys.ElementAt(rand.Next(0, MonkeyData.Monkeys.Count)).Name;
// break;
// case "beardetails":
// animalName = BearData.Bears.ElementAt(rand.Next(0, BearData.Bears.Count)).Name;
// break;
// case "catdetails":
// animalName = CatData.Cats.ElementAt(rand.Next(0, CatData.Cats.Count)).Name;
// break;
// case "dogdetails":
// animalName = DogData.Dogs.ElementAt(rand.Next(0, DogData.Dogs.Count)).Name;
// break;
// case "elephantdetails":
// animalName = ElephantData.Elephants.ElementAt(rand.Next(0, ElephantData.Elephants.Count)).Name;
// break;
//}
if (!string.IsNullOrEmpty(animalName))
{
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?name={animalName}");
Shell.Current.FlyoutIsPresented = false;
}
}
async Task NavigateToRandomPageAsync()
{
string destinationRoute = null;
int temp = rand.Next(0, 2);
string dishName = null;
switch (temp)
{
case 0:
destinationRoute = "pizzadetails";
dishName = PizzaData.Pizzas.ElementAt(rand.Next(0, PizzaData.Pizzas.Count)).Name;
break;
case 1:
destinationRoute = "drinksdetails";
dishName = DrinksData.Drinks.ElementAt(rand.Next(0, DrinksData.Drinks.Count)).Name;
break;
case 2:
destinationRoute = "snacksdetails";
dishName = SnacksData.Snacks.ElementAt(rand.Next(0, SnacksData.Snacks.Count)).Name;
break;
//case "otherdetails":
//destinationRoute = "otherdetails";
// dishName = OtherData.Other.ElementAt(rand.Next(0, DrinksData.Drinks.Count)).Name;
// break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?name={dishName}");
Shell.Current.FlyoutIsPresented = false;
}
/// <summary>
/// Navigates to a <see cref="Page"/> passing data to the target ViewModel
/// </summary>
/// <param name="state"></param>
/// <param name="navigationData"></param>
/// <param name="animate"></param>
/// <returns></returns>
public async Task GoToAsync(ShellNavigationState state, object navigationData, bool animate = true)
{
var isPushed = new TaskCompletionSource <bool>();
Device.BeginInvokeOnMainThread(async() =>
{
try
{
await Shell.Current.GoToAsync(state, animate).ConfigureAwait(false);
isPushed.SetResult(true);
}
catch (Exception ex)
{
isPushed.SetException(ex);
}
});
if (await isPushed.Task.ConfigureAwait(false))
{
var presentedViewModel = (Shell.Current?.CurrentItem?.CurrentItem as IShellSectionController)?
.PresentedPage.BindingContext;
if (presentedViewModel is IOnViewNavigated viewModel)
{
await viewModel.OnViewNavigatedAsync(navigationData).ConfigureAwait(false);
}
else
{
throw new ArgumentException($"You are trying to pass {nameof(navigationData)}" +
$" to a ViewModel that doesn't implement {nameof(IOnViewNavigated)}");
}
}
}
private async void Navigate(object route)
{
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{route.ToString()}");
Shell.Current.FlyoutIsPresented = false;
}
public override async Task LogoutCommand_Clicked()
{
try
{
var logInViewModel = DependencyService.Resolve <Elmah.XamarinForms.ViewModels.LogInViewModel>();
var client = Elmah.MVVMLightViewModels.WebApiClientFactory.CreateAuthenticationApiClientWithToken();
logInViewModel.LoginResponse = await client.LogoutAsync(AppVM.SignInData.UserName);
//Framework.Xaml.ApplicationPropertiesHelper.ClearWelcomeWizardData();
//await Framework.Xaml.ApplicationPropertiesHelper.ClearSignInData();
await Framework.Xaml.ApplicationPropertiesHelper.ClearAll();
AppVM.SignInData = new Framework.Xaml.SignInData();
// TODO: should find a solution for this. The current problem is Shell flyout and original not hidden.
ShellNavigationState state = Shell.Current.CurrentState;
Shell.Current.FlyoutIsPresented = false;
Shell.Current.FlyoutBehavior = FlyoutBehavior.Disabled;
//AppVM.Caching.DeleteDatabase();
await Shell.Current.Navigation.PushModalAsync(new Elmah.XamarinForms.Pages.LogInPage());
}
catch (Exception ex)
{
}
}
protected override async void OnItemSelected(object item)
{
base.OnItemSelected(item);
await Task.Delay(1000);
ShellNavigationState state = (App.Current.MainPage as Shell).CurrentState;
await Shell.Current.GoToAsync($"{GetNavigationTarget()}?question{((FAQ)item).Question}");
}
public void LocationInitializedWithString()
{
var uri = new Uri("//test/IMPL_TEST/D_FAULT_TEST", UriKind.Relative);
var strState = new ShellNavigationState(uri.ToString());
Assert.AreEqual("//test", strState.Location.ToString());
Assert.AreEqual("//test/IMPL_TEST/D_FAULT_TEST", strState.FullLocation.ToString());
}
///<inheritdoc/>
public async Task <object> GoToAsync <TData>(ShellNavigationState state, TData navigationData, bool animate = true)
{
var viewModel = await InternalGoToAsync(state, animate).ConfigureAwait(false);
await RunOnNavigatedsWithDataAsync <TData>(viewModel, navigationData).ConfigureAwait(false);
return(viewModel);
}
async Task NavigateToRandomPageAsync()
{
string animalName = null;
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location.AbsoluteUri}?name={animalName}");
Shell.Current.FlyoutIsPresented = false;
}
protected override async void OnItemSelected(object item)
{
base.OnItemSelected(item);
await Task.Delay(1000);
ShellNavigationState state = (App.Current.MainPage as Shell).CurrentState;
//await Shell.Current.GoToAsync($"{GetNavigationTarget()}?model={((Car)item).Model}");
await Shell.Current.GoToAsync($"saledetails?carmodel={((Car)item).Model}");
}
protected override async void OnItemSelected(object item)
{
base.OnItemSelected(item);
await Task.Delay(1000);
ShellNavigationState state = (App.Current.MainPage as Shell).CurrentState;
// Note: strings will be URL encoded for navigation (e.g. "Blue Monkey" becomes "Blue%20Monkey"). Therefore, decode at the receiver.
// This works because route names are unique in this application.
await Shell.Current.GoToAsync($"{GetNavigationTarget()}?name={((Grocery)item).Name}");
}
public async Task GoToAsync(ShellNavigationState state, object args = null)
{
await Shell.GoToAsync(state);
var vm = CreateViewModel(state.Location.OriginalString.Split('/').Last());
await Task.Delay(100); // aguardar a pagina carregar
CurrentPage.BindingContext = vm;
await vm.InitAsync(args).ConfigureAwait(false);
}
protected override async void OnItemSelected(object item)
{
base.OnItemSelected(item);
// Let the animation complete
await Task.Delay(1000);
ShellNavigationState state = (App.Current.MainPage as Shell).CurrentState;
// The following route works because route names are unique in this application.
await Shell.Current.GoToAsync($"{GetNavigationTarget()}?name={((Animal)item).Name}");
}
private async void ListView_ItemSelected(object sender, SelectedItemChangedEventArgs e)
{
string eleman = e.SelectedItem.ToString();
// var destinationRoute = (Shell.Current as AppShell).Routes.FirstOrDefault(route => route.Key.Equals("detaylar")).Value;
//string aaa = destinationRoute.ToString();
ShellNavigationState state = Shell.Current.CurrentState;
string yer = state.Location.ToString();
//string state1 = Shell.Current.CurrentItem.Route;
await Shell.Current.GoToAsync($"{state.Location}/detaylar?name={eleman}");
//Shell.Current.FlyoutIsPresented = false;
}
protected override async void OnItemSelected(object item)
{
base.OnItemSelected(item);
// work around for bug 5713
// https://github.com/xamarin/Xamarin.Forms/issues/5713
await Task.Delay(400);
ShellNavigationState state = (App.Current.MainPage as Shell).CurrentState;
await Shell.Current.GoToAsync($"{GetNavigationTarget()}?ItemId={((Person)item).Id}");
}
// https://stackoverflow.com/questions/57554375/xamarin-forms-4-shell-navigation-with-complex-parameters
public static async Task GoToAsync(this Shell shell, ShellNavigationState state, object navigationData, bool animate = false)
{
// https://stackoverflow.com/questions/2051357/adding-and-removing-anonymous-event-handler/30763657
void handler(object sender, EventArgs e)
{
((Shell.Current?.CurrentItem?.CurrentItem as IShellSectionController)?.PresentedPage
as IPageNavigate)?.OnPageNavigated(navigationData);
shell.Navigated -= handler;
}
shell.Navigated += handler;
await shell.GoToAsync(state, animate);
}
private async void ImageOnClicked(object sender, EventArgs e)
{
var btn = sender as ImageButton;
var cocktail = btn?.CommandParameter as Cocktail;
ShellNavigationState state = Shell.Current.CurrentState;
if (cocktail != null)
{
await Shell.Current.GoToAsync($"{state.Location}/random?name={cocktail.StrDrink}");
Shell.Current.FlyoutIsPresented = false;
}
}
protected override async void OnItemSelected(object item)
{
base.OnItemSelected(item);
// Let the animation complete
await Task.Delay(1000);
ShellNavigationState state = (App.Current.MainPage as Shell).CurrentState;
// The following route works because route names are unique in this application.
var JsonData = JsonConvert.SerializeObject(item);
var route = $"{nameof(FamilyDetailsPage)}?Family={JsonData}";
await Shell.Current.GoToAsync(route);
}
protected override async void OnItemSelected(object item)
{
//base.OnItemSelected(item);
var eleman = (Notlar)item;
string parametre = eleman.Detay;
await Task.Delay(1000);
ShellNavigationState state = Shell.Current.CurrentState;
//string yer = state.Location.ToString();
//string state1 = Shell.Current.CurrentItem.Route;
await Shell.Current.GoToAsync($"{state.Location}/detaylar?name={parametre}");
//await Shell.Current.GoToAsync($"detaylar?name={parametre}");
// The full route is shown below.
// await Shell.Current.GoToAsync($"//animals/monkeys/monkeydetails?name={((Animal)item).Name}");
}
async Task NavigateToRandomPageAsync1()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string XXNazov1 = null;
switch (destinationRoute)
{
case "priznakydetails":
XXNazov1 = Symptom.Symps.ElementAt(rand.Next(0, Symptom.Symps.Count)).Nazov_Symptom;
break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?nazov_Symptom={XXNazov1}");
Shell.Current.FlyoutIsPresented = false;
}
async Task NavigateToRandomPageAsync()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string XXNazov = null;
switch (destinationRoute)
{
case "vitaminydetails":
XXNazov = Zoznam.Zoznams.ElementAt(rand.Next(0, Zoznam.Zoznams.Count)).Nazov;
break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?nazov={XXNazov}");
Shell.Current.FlyoutIsPresented = false;
}
//随机
async Task NavigateToRandomPageAsync()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string animalName = null;
switch (destinationRoute)
{
case "catdetails":
animalName = CatData.Cats.ElementAt(rand.Next(0, CatData.Cats.Count)).Name;
break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?name={animalName}");
Shell.Current.FlyoutIsPresented = false;
}
public static async Task NavigateAsync(string pageName, Dictionary <string, object> parameters = null)
{
AppShellVM.Cleanup();
ShellNavigationState state = Shell.Current.CurrentState;
if (parameters == null || parameters.Count == 0)
{
await Shell.Current.GoToAsync(string.Format("{0}", pageName));
}
else
{
var parametersQuery =
from t in parameters
select string.Format("{0}={1}", t.Key, t.Value);
var parametersInString = string.Join("&", parametersQuery);
await Shell.Current.GoToAsync(string.Format("{0}?{1}", pageName, parametersInString));
}
Shell.Current.FlyoutIsPresented = false;
}
async Task NavigateToRandomPageAsync()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string groceryName = null;
switch (destinationRoute)
{
case "fruitdetails":
groceryName = FruitData.Fruits.ElementAt(rand.Next(0, FruitData.Fruits.Count)).Name;
break;
case "vegetabledetails":
groceryName = FruitData.Fruits.ElementAt(rand.Next(0, VegetableData.Vegetables.Count)).Name;
break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?name={groceryName}");
Shell.Current.FlyoutIsPresented = false;
}
private Task <object> InternalGoToAsync(ShellNavigationState state, bool animate = true)
{
var isPushed = new TaskCompletionSource <object>();
Device.BeginInvokeOnMainThread(async() =>
{
try
{
await Shell.Current.GoToAsync(state, animate).ConfigureAwait(false);
var viewModel = (Shell.Current?.CurrentItem?.CurrentItem as IShellSectionController)?
.PresentedPage
.BindingContext;
await RunOnNavigatedsAsync(viewModel).ConfigureAwait(false);
isPushed.SetResult(viewModel);
}
catch (Exception ex)
{
isPushed.SetException(ex);
}
});
return(isPushed.Task);
}
async Task NavigateToRandomPageAsync()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string cloudName = null;
switch (destinationRoute)
{
case "cloudeuadetails":
cloudName = await DataCloud.GetRandomCloudsAsync();
break;
case "cloudchinadetails":
cloudName = await DataCloud.GetRandomCloudsAsync("1");
break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?name={cloudName}");
Shell.Current.FlyoutIsPresented = false;
}
async Task NavigateToRandomPageAsync()
{
string destinationRoute = routes.ElementAt(rand.Next(0, routes.Count)).Key;
string animalName = null;
switch (destinationRoute)
{
case "monkeydetails":
animalName = MonkeyData.Monkeys.ElementAt(rand.Next(0, MonkeyData.Monkeys.Count)).Name;
break;
case "beardetails":
animalName = BearData.Bears.ElementAt(rand.Next(0, BearData.Bears.Count)).Name;
break;
case "catdetails":
animalName = CatData.Cats.ElementAt(rand.Next(0, CatData.Cats.Count)).Name;
break;
case "dogdetails":
animalName = DogData.Dogs.ElementAt(rand.Next(0, DogData.Dogs.Count)).Name;
break;
case "elephantdetails":
animalName = ElephantData.Elephants.ElementAt(rand.Next(0, ElephantData.Elephants.Count)).Name;
break;
case "lessondetails":
animalName = LessonData.Lessons.ElementAt(rand.Next(0, LessonData.Lessons.Count)).Name;
break;
}
ShellNavigationState state = Shell.Current.CurrentState;
await Shell.Current.GoToAsync($"{state.Location}/{destinationRoute}?name={animalName}");
Shell.Current.FlyoutIsPresented = false;
}
/// <summary>
/// Navigates to a <see cref="Page"/> passing data to the target ViewModel
/// </summary>
/// <param name="state"></param>
public Task GoToAsync(ShellNavigationState state)
{
return(GoToAsync(state, true));
}
///<inheritdoc/> public Task <object> GoToAsync(ShellNavigationState state, bool animate = true) => InternalGoToAsync(state, animate);
/// <summary>
/// Navigates to a <see cref="Page"/>
/// </summary>
/// <param name="state">A URI representing either the current page or a destination for navigation in a Shell application.</param>
/// <param name="animate"></param>
/// <returns></returns>
public Task GoToAsync(ShellNavigationState state, bool animate = true)
{
return(GoToAsync(state, null, animate));
}
