Questions tagged as 'xamarin-forms'

Tagged questions
2
answers

Navigation with Xamarin Forms default MVVM

I recently started studying Xamarin Forms. I have a question that can be clarified here: how to navigate between pages using MVVM? Should your navigation be on vm or view ? Example <?xml version="1.0" encoding="utf-8" ?> <Cont...
asked by 21.02.2017 / 10:17
2
answers

What is the difference between the Xamarin versions?

What's the difference between the Xamarin.Forms, Xamarin.iOS, and Xamarin.Android versions?     
asked by 23.03.2017 / 15:13
2
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Back application version

Is it possible to go back to the app version? We initially put the Version Number field in the 2 field just to see how it would look and after that we are not able to return to the number we would like (0.1.0), the app gives following error:...
asked by 04.09.2018 / 22:34
1
answer

Should I always use Navigation.PopAsync ()?

I'm starting learning using Xamarin Forms. In my case, I'm doing some tests with an Android application. By paralleling Windows Phone, when I navigate from page A to page B, and then press the Back button of WP, it removes the page from the s...
asked by 29.03.2017 / 15:44
3
answers

How can I tell if an ItemTapped was clicked?

I have ListView with a function so that every 30 seconds ListView is updated. When clicked on above an item from my ListView another screen at that time is called and unfortunately the ListView screen still keeps u...
asked by 28.08.2018 / 22:53
1
answer

Login with facebook on Xamarin Forms with Azure Mobile Apps

I'm building an app (with xamarin.forms pcl ), where I have a facebook login using the Azure Mobile Client SDK . It is possible to perform the authentication, however, soon after the authentication, I try to make a listing in the api url: lin...
asked by 01.06.2017 / 04:14
4
answers

Update ListView after return with PopAsync in Xamarin Forms

How to update ListView after returning to View using PopAsync ? I need the ListView to load its items after the Address Insertion View to record a new address. OBS: The PushAsync or PushModalAsync re...
asked by 10.01.2017 / 19:30
1
answer

Failed to archive project Xamarin.forms

Next, I'm finishing my project and as last step I'm trying to "archive" my android project, but when trying to file it it generates the following error: Erro Falha inesperada da tarefa "LinkAssemblies". Mono.Linker.MarkException: Er...
asked by 25.06.2018 / 14:28
1
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Using Grid with AbsoluteLayout - Xamarin Forms

I need to use a Grid screen (to organize the Entries and Buttons) and AbsoluteLayout (to have the ball in the middle of the screen). If this is done the screen layout becomes deformed (image below). If you shoot AbsoluteLayout the...
asked by 29.05.2018 / 22:51
1
answer

Task ListT showing error Xamarin

I'm creating a Task List
asked by 08.06.2018 / 04:17