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Questions tagged [xamarin.forms]

正规365体育投注 Xamarin.Forms is a Microsoft product allowing the building of native, cross-platform apps for Android, iOS, Windows, and others from a single shared C# codebase.

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12 views

How to build a [HttpPost] method in web API for object class? (Xamarin.form + web API)

I'm trying to do to a xamarin.form to register an admin account to the web API combine with the predefined value by entering the value in my XAML and register/post it to web API. Unfortunately, I'm ...
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12 views

Xamarin Form setter FontFamily reference custom font in same file theme

I am trying to reference a font in a style from my default theme. But I find myself with this error without finding a solution for the moment ... DefaultTheme.xaml <Style x:Key="EntryStyle" ...
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6 views

Xamarin Plugin.Permission. Error on requesting permission

I'm trying to grand permissions to my android application using Plugin.Permissions and Xamarin.Forms I'm following the provided sample, but I'm getting the following error: 04-10 17:42:09.234 I/...
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18 views

xamarin method no found GoToAsync

I am trying to open a viewpage, from a searchhandler using await Shell.Current.GoToAsync ("User"); already register the route in appshell Routing.RegisterRoute ("User", typeof (User)); but I still get ...
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8 views

Xamarin Forms - Could not load file or assembly SkiaSharp.Views.Forms

I am trying to unit-test a viewmodel but when I try to do that it gives me the following error: "System.IO.FileNotFoundException : Could not load file or assembly 'SkiaSharp.Views.Forms" I included ...
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24 views

Can't add a new blank page in Xamarin

I have an already build Xamarin App but now I want to add the Sign Up / Login Page at the Start. When I open the App, first It open a Sign up Page. I add a Blank Page with Title "Welcome to App" and ...
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22 views

How can I superimpose two images in XML?

I would like insert an image with octagonal shape. So i thought to superimpose the octagonal shape (with trasparent background) to image. How is it possible? I have the image in a simple grid but I ...
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1answer
17 views

BindableProperty firing only once

I have a content view that has a BindableProperty that binds to the parent's ViewModel. When receiving a new value, the property bound to the BindableProperty triggers a method that creates a new set ...
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18 views

Cannot access file error Latest Visual studio - Xamarin Android

I am getting this error while running on emulator or device: Severity Code Description Project File Line Suppression State Error System.IO.IOException: The process cannot access the ...
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1answer
27 views

Move caret to start of placeholder when in center Entry Xamarin

I use text alignment in Entry. When I touch entry, the caret appears in the middle of the placeholder, which looks ugly. I want to move the caret to the start placeholder. And when i enter text in ...
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22 views

How to get speed of network, whether it is fast or slow in xamarin iOS?

How to get speed of network, whether it is fast or slow in xamarin iOS? I used NetworkReachability, But it is giving result that url is reachable or not? I want to get speed of network , fast or poor?`...
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Automating Android / iOS Teleconference in Xamarin [closed]

I have a lot of experience building Xamarin.Forms apps. I've build mostly data-driven apps and have not really get into other phone-specific features like managing calls, etc... My plan is to build an ...
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11 views

Mixing Views from both Core and iOS Platform projects as Tabs via MvvmCross

Using latest MvvmCross v.6.4.2: I have several Views in my core project that render as tabs. I have a view in my iOS Platform project that I also need to render as a tab. When I add the ...
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1answer
29 views

How pass the current data with converter?

How can i send the current element of my Actors list to my converter? and as well i need pass a parameter with ConverterParameter <ListView x:Name="Actors" ItemsSource="{Binding Actors}"> ...
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27 views

How to set MainPage from App.xaml instead of App.xaml.cs?

I want to learn how to set MainPage property of App to MyPage inheriting from ContentPage. In App.xaml.cs it can be easily done as follows. public partial class App : Application { public App() ...

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