Questions tagged as 'xamarin-forms'

Tagged questions
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How to cache a json xamarin iOS request

I would like to know how to cache a request HttpClient whose return is a json and determine the number of storage days for that cache. public async Task<List<Categoria>> GetCategorias(){ string URL = string.Format(Con...
asked by 26.06.2018 / 12:07
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How to Simulate my APP in IOS?

I'm developing an application in Visual Studio for Android and IOS . For the IOS tests I hired a machine on MacinCloud and ran a test and the system started working . When I went to do a new test when it starts loading the...
asked by 15.06.2018 / 03:37
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Display List of Objects in a ListView - Xamarin.forms [duplicate]

The question is as follows, I want to display a list of objects in my View using a ListView. Currently the code looks like this: <ListView x:Name="listaDestinos" ItemsSource="{Binding ListaDestinos}"> <ListView.Header>...
asked by 19.06.2018 / 20:26
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Photo Location in Xamarin Multiplatform

Guys, I'm developing an application in Xamplin Mutiplataforma that takes photos and then must retrieve these photos taken and send them to a Webservice. Would you like to know how to recover the photo that was taken? How can I access the photo g...
asked by 23.05.2018 / 20:33
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Access javascript file locally in Xamarin forms

I have a question about how to access a .js file in my application mobile (Andriod) using xamarin forms, as below: var htmlSource = new HtmlWebViewSource(); htmlSource.Html = @"<html> <head>...
asked by 23.05.2018 / 15:38
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Login Screen Error - Xamarin Forms Visual Studio 2017 Android

I'm having difficulty fetching the contents of the Entry Element and comparing it with the value being stored in the SQLite DB. Here is the code for my class Usuarios : public class Usuarios { [PrimaryKey, AutoIncrement]...
asked by 03.05.2018 / 01:36
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Error receiving Picker content

I have a client registry and I need to change the registry of a client at some point, but to make the change I have to deal with a Picker field, only it gives an error when I try to bring the content that is written to it soon after, if change....
asked by 24.04.2018 / 22:46
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Android Xamarin-Invalid resource directory name

Whenever I try to compile the solution in Visual Studio it gives the following error: invalid resource directory name: obj \ Release \ res style "res style". World Unico.Android C: \ Users \ rickr \ Source \ Repos \ World \ Unique \ World Uni...
asked by 29.04.2018 / 10:07
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Application opens and closes

After updating my phone (ASUS Zenfone 3) to Android My applications open and close when I try to debug ... I can only debug if I delete the app from my phone and compile again, does anyone know how to fix this? It is very annoying to have to del...
asked by 08.04.2018 / 18:21
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Xamarin - "Problem rendering this Document"

When I try to create a new layout it does not display and sends this message to me, since I did not edit anything, just created a new layout from scratch.     
asked by 13.04.2018 / 17:56