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"The specified OData query has invalid real literal"

I am developing an app using Xamarin.Android and Azure Mobile Apps backend. I recently noticed that on certain devices a function causes an unhandled exception. This is the function that causes the...

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Centered Icon-only Tabs on Android

Hi, I'm looking to remove the text from the tabs (and vertically center the icon) in my Xamarin Forms app, like this: I achieved this on iOS by making the TextColor clear and shifting the image down:...

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Custom CheckBox render in Xamarin iOS.

Hello, How to implement custom checkbox render for xamarin iOS(Without png or jpg file).I have already implemented custom checkbox render for Android. Is there any way to Implement custom checkbox...

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Release build Linker error

Severity Code Description Project File Line Suppression State Error The "LinkAssemblies" task failed unexpectedly. Mono.Linker.MarkException: Error processing method: 'System.Void...

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Why does Xamarin build an apk with very little compression? And how do I...

So it's my first time to build a Xamarin APK file, and I noticed that the compression is very lacking compared to native Android APK! For example: Xamarin Android Xamarin APK Size: 30MB Extracted...

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XAMVVM null exception in App class?

I have just resently been recomended to use XAMVVM to implement the MVVM design pattern. However, as I have been reading into it and trying out the examples to get a hang of it, I constantly get a...

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Composite Imaging

I'm new to mobile app development, trying to convert some VB.Net code to ShiaSharp for my mobile app project. See Attached. Any guidance or assistance would be very much appreciated.

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Composite Imaging

I'm new to mobile app development, trying to convert some VB.Net code to ShiaSharp for my mobile app project. See Attached. Any guidance or assistance would be very much appreciated

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What is the difference between .NET Standard and Shared Project?

I recently started working with Xamarin.forms and I have a lots of question about how everything works. Somehow I started doing a project with Shared project, however run across errors I could not deal...

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How to create a sub listview inside a listview with data binding?

Hello, I want to bind an observable collection of a List of items something like ObservableCollection<List> with that xaml code: <ListView.ItemTemplate> <ListView.RowHeight>...

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[Xamarin.Forms .Net/ MVVM(PRISM) project] Which Web Service to use and how to...

Hi everyone, im new on Xamarin and im an internship to develop a Mobile App: kind of micro-social for events with Xamarin.Forms .Net/ MVVM(PRISM) architecture. For the moment i have almost all the view...

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Binding TextColor on Label not working

<ListView x:Name="listBehavior" ItemsSource="{Binding .}" ItemTapped="OnItemTapped" IsGroupingEnabled="true" GroupDisplayBinding="{Binding Key}" > <ListView.ItemTemplate>...

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want to build csproj instead of sln by Xamarin IOS build plugin on VSTS

I am using Xamarin IOS build plugin to build my ipa package, can we provide .csproj instead of .sln file As getting unnecessary UWP package errors while building package.

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Xamarin UITest very slow on Android 7.1.2 to 8.1.0

Hello all, Why does it take an absolute Xamarin UITest to any action on Android 7.1.2 to 8.1.0 when compared to Android 7.0 and iOS? For example, I got a test which on Android 7.0 and iOS that...

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[XF] Which database plugin to choose

Hello everybody, I would like to know which database plugin is for you the best to use and why between : Entity Framework Core Realm SQLite-net Thanks !

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XAML ListView:GroupHeaderTemplate binding not working on Release

I have below class: public class TitlePropertyViewModel : BaseViewModel { private int _propertyId; private string _name; private bool _isRequired; private bool _isChecked; private bool...

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Expandable ListView with Master Detail Page

Hi How can I apply expandable listview for master detail page? Sub list inside main list which show or hide when click. Like picture

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XamarainShellPackage did not load correctly in VS 2015

Hello, I try to use Xamarin with VS 2015, but even after several uninstall/install/repair of Xamaribn and Visual Studio, when I launch VS 2015 the following message appears: "The 'XamarinShellPackage'...

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Is It Possible To Be Notified of Other Apps Launching?

Suppose I have an app that runs in the background, on iOS and Android. It wants to take screen shots (which I know how to do) when other apps start up. Is there a way to get notified -- "Here, App A is...

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Could you provide the details of how to setup Crashlytics in Xamarin (Android...

I am very new to Xamarin and having a hard time setting up Crashlytics. Any help would be appreciated.

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