Questions tagged as 'xamarin'

Tagged questions
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Xamarin - SQLite Join

I'm creating an app on xamarin, which generates a sales order, and stores it on my phone. I'm using SQLite to store the data, but I'm having trouble joining between my Order Items table and the Products table. I have both models below: [...
asked by 16.06.2016 / 16:34
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Allow Camera and Microphone access to a WebView by Xamarin Android

I've created a webRTC application that allows me to do streaming audio and video via javascript, now I need it by my Android I can access through an app I'm developing. I'm using a WebView to load the URL into the app, but it looks li...
asked by 08.11.2016 / 13:48
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How to open the MainPage.axml from a Xamarin Project in Designer mode?

So recently I downloaded Visual Studio 2017 and came across the Multiplatform Application (Xamarim.Forms or Native), when I create it it is generated 4 projects. The App1; App1.Droid; App1.IOS; App1.UWP (Universal Windows Plataform) . I...
asked by 23.05.2017 / 05:39
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Storyboard Follows

I am creating a small example of an iOS application using Visual Studio 2015 in Windows 10. However, whenever I open Main.storyboard by designer and click on one of the UIStoryboarSegue the Segue property looks as if no...
asked by 19.02.2017 / 23:42
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What is the correct way to use RunOnUiThread () in Xamarin.Android?

When I need to update a field in the UI, do I need to run this code in the UI thread ? For example: I have to change the layout of my activity . The code I'm using is this: RunOnUiThread(() => { _layoutBlurred.Visibility = ViewS...
asked by 27.07.2017 / 15:03
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Does Xamarin generate Java source code?

I read that with Xamarin it is possible to program in C # for example, and generate a native application Android and IOS. After programming in C #, does it generate the fonts in Java? I can after making the first version of the App, abandon C...
asked by 20.11.2017 / 19:32
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Error: ValueFactory attempted to access the Value property of this instance

Every time I create any Xamarin project in Visual Studio 2017 the following error appears when running the application: Erro: ValueFactory tentou acessar a propriedade Value dessa instância. Why does this error occur? What should I do to...
asked by 29.06.2018 / 18:00
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Xamarin is absolutely free?

Does anyone know if you need to pay for using xamarin at some point? If even developing free apps is it necessary to pay? If it's an app that's part of a service, but the app is free, do you need a license or something? Unreal Engine for e...
asked by 06.06.2017 / 16:39
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Send an SMS to one of your contacts

I have an application and in the end I wanted to send a msg to one of the user's contacts about my application. var columnNumber = cursor.GetColumnIndex(ContactsContract.CommonDataKinds.Phone.Number); contacto_numero = cursor.Get...
asked by 18.05.2016 / 13:32
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Is there an iOS emulator to test an application developed in Xamarin? [duplicate]

There's nothing like testing on the actual device, but in some cases emulators are extremely necessary. For Android I use Genymotion, but at the moment I need some iOS emulator so that it can test the basic compatibility of an application deve...
asked by 20.02.2017 / 19:27