Myujth

I have a login page where I have a check if user is logged in, then navigate to other page or stay on the login page. I don't want to put this code on App.cs because login page will not open on 1st load of app. Now when I navigate to login page my app crash and throws the error:

GC_BRIDGE: Complete, was running for 0.09ms 11-16 12:31:55.111 D/Mono
(15701): GC_MINOR: (Nursery full) time 35.82ms, stw 36.83ms promoted
1009K major size: 531904K in use: 471305K los size: 2048K in use: 49K

Here is my code

public partial class Logins : ContentPage
{
 public Logins()
 
 InitializeComponent();

 NavigationPage.SetHasNavigationBar(this, false);

 if (!string.IsNullOrEmpty(Setings.AccessToken))
 
 //
 Navigation.PushAsync(new CartDetail());
 
 else
 
 Navigation.PushAsync(new Logins());
 
 

You have a recursive navigation inside your constructor.

When the property Setings.AccessToken is empty you navigate to a new Logins page. Because you create a new Logins page, you also check again for the AccessToken. And it is still empty, so you create again a new Logins page and again and again and again...

Quote from your question

[...] or stay on the login page.

To stay on the page, just don't navigate to it in the constructor. Leave the else part empty will show the Logins page.

Hint: It is not recommended to navigate inside a constructor, because of two reasons:

1. The navigation method PushAsync is asynchronous. So you can wait on it until the navigation finishes (that is not possible in the constructor)


2. You should check for navigation outside the page itself (in fact: before you create the Logins page first). Or: You have to load the page, and check the AccessToken afterwards. Why? You create a page to show it, and not to check if another one needs to be shown...