When show screen, navigation is showing at the Top.But Back button is not showing.
When i use Navigation.PushAsync method then back button is showing.
I am using below code.
Navigation.PushModalAsync(new LoginSelection());
how can i show backbutton at left side of Modal screen.
When you call PushModalAsync(), you are creating an another Navigation Stack of Modals.Thus, your LoginSelection() page is not added to the Page Navigation Stack,but it is added on Modal Navigation Stack.
Thus,there are no pages in your modal stack and that's why back button is not appearing
Check the below link:-
https://forums.xamarin.com/discussion/69952/navigationpage-pushmodalasync-and-back-button`
Xamarin Forms Reverse PushModalAsync
Related
i have a webview that loads a log in page in website then the button of the login in website was Covered by pure button in xamarin form.... when i click the pure xamarin button the Button of Log in page in website will also clicked ...
Is it possible to do that?
I am using Prism for Xamarin Forms application development.
May be because I am new to both Prism and Xamarin Froms because of which I am facing a basic issue with the navigation.
Let me start with the details of my implementation and then the issue at hand.
I have a MasterDetail Page (named Home) which is my main page.
There are a few menu items in the Master Page. One of them is Partner.
On Click of Partner menu item, NavigationService.NavigateAsync("Navigation/Partner") method is called. Where "NavigationService" is of type "INavigationService".
This opens a page called "Partner" which is a tabbed page (TabbedPage). The first tab is a contentpage called "PartnerAll".
PartnerAll page contains a listview. On click of a list view item, a new page is opened "PartnerDetails" by calling NavigationService.NavigateAsync("Navigation/PartnerDetails", parameters, false, true);
On PartnerDetails page, I have added a toolbaritem called "Cancel".
Issue: When "PartnerDetails" page opens up, "Cancel" item shows up twice, as shown in the screenshot:
screenshot of partner details page with two cancel buttons
Where is it I am going wrong. What should I do to make it work?
Please assist.
Best regards, Ankur Jain
You’re pushing two NavigationPage’s onto the Navigation Stack. This would result in two Navigation bars. You can see in your screenshot you have both a back and a hamburger menu icon.
You should just pass in the identifier string for your destination page, instead of pushing another instance of the NavigationPage onto the stack
do it like so NavigationService.NavigateAsync(PartnerDetails);
I am using Xamarin Forms with Prism. How do you navigate from the MasterDetail.Master to a ContentPage that is not part of the MasterDetail (that is, I don't want to just update the detail and continue to be part of the Master/Detail relationship)? The use case is like the Gmail app when you click on Settings from the Hamburger menu. It takes you out of the Master/Detail and you are now in a NavigationPage/ContentPage with a back button to get back to the MasterDetail page.
If you were not using Prism you could go to the Detail page and do a Navigation.PushAsync from there:
var mdp = Application.Current.MainPage as MasterDetailPage;
mdp.IsPresented = false;
await mdp.Detail.Navigation.PushAsync(new ContentPage2());
But I don't see how to do this using Prism navigation.
-Steve
Assuming your Application.Current.MainPage is a MasterDetailPage. Current Detail in the MasterDetailPage is NavigationPage(new ContentPage1()).
In your ContentPage1, you have 2 options to navigate to ContentPage2:
Option 1: Show ContentPage2 in current navigation stack
You will be pushing ContentPage2 into the same Navigation stack of ContentPage1. Back button in navigation bar will be added automatically.
// Call this code in ContentPage1
_navigationService.PushAsync("ContentPage2");
Option 2: Show ContentPage2 modally
You are presenting the page modally and in a completely new navigation stack. You will need to add Back button in the NavigationBar and handle the click event with your own code.
// Call this code in ContentPage1
_navigationService.PushAsync("NavigationPage/ContentPage2", null, true);
I have several navigation pages that go several levels deep. Each time the user navigates to another page, an additional Back button is added to the top.
Navigation.PushAsync(new NavigationPage(new SettingsPage()));
Do I have to manually turn off the navigation bar prior to Pushing the new page or is there some type of setting for this?
Thanks.
Like Sushi mentioned in the comment, you're already in navigation page, you do not have to push a new NavigationPage every time.
Just use:
Navigation.PushAsync(new SettingsPage());
You can read more about navigation in Xamarin.Forms here: https://developer.xamarin.com/guides/xamarin-forms/user-interface/navigation/hierarchical/
I have Xamarin App, in the app I have a page which I hide the navigation bar for design purposes. But I still want to show back button. What I could do is that I could make a back icon and put it on the layout and call Navigation.PopAsync() on image tab. However is there a way to get the designated back button from the app?