Questions tagged as 'xamarin'

Tagged questions
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Xamarin Error Build FAILED: Unsupported major.minor version 52,0

I'm using Xamarin Visual Studio Comunti 2015 After compiling a project, however I get the following err: Exception in thread "main" 1>java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 5...
asked by 17.10.2016 / 16:42
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How to resolve the error "ArrayAdapter requires the resource ID to be a TextView"

I was trying to list all bluetooth devices in a list, but when I try to create an Arrayadapter the application hangs and this error ' protected override void OnCreate(Bundle savedInstanceState) { base.OnCreate(savedInstance...
asked by 12.10.2016 / 16:06
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Referencing xamarin PCL with external PCL's

Hello everyone, I have a question about how I can do this in wpf. Now I want to rewrite the same project with xamarin, and reuse the same pattern, but I came across the following situation in which the xamarin project pcl can not reference any o...
asked by 06.11.2016 / 16:35
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Xamarin Cross menu burger iOS and Android!

I created a xamarin forms portable project after I created a class with the drop down menu, I would like to know how to align the image of the xamarin in the center, since I am not able to using Xamarin.Forms; namespace MenuHamburguerNavegaca...
asked by 13.09.2016 / 18:41
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Send POST request to PHP through Xamarin

I need to send a request in POST to a php file through this application. This code worked correctly in Windows Forms , but Xamarin is not working ... public void testar() { try { string...
asked by 03.09.2016 / 15:42
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Xamarin - Accessing API that returns JSON

Next, I'm VERY new to this API issue. I created my first web application .net Framework 4.5.2. I created it pretty standard even (according to VS 2015), and I created a test controller "TestController.cs", I tested it locally and it works, I u...
asked by 05.09.2016 / 19:28
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Can not save to native calendar - Xamarin - IOS

I'm saving an event on the IOS native calendar through the code below, because the simulator works perfectly, but when I do it right on the iPhone device this code does not work. I did two tests the first one opening the calendar for the user to...
asked by 20.08.2016 / 01:49
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Problems in the JsonConvert.SerializeObject and StringContent

I'm developing a Xamarin Forms application that will persist data via web service (PHP - MySQL), but I'm having trouble sending data via POST I have the event below and the same as the message of Cadastrado com sucesso! , but when I che...
asked by 03.08.2016 / 13:24
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Errors Reinstalling Microsoft Visual Stúdio

I've uninstalled through Iobit Microsoft Visual Studio & Xamarin, so I tried to reinstall and are giving these errors. I've already tried uninstalling deleting the folders of the files and the Registers in Windows, I cleaned the records a...
asked by 28.07.2016 / 19:33
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Xamarin Error - MVA Course Starting with Xamarin.Forms - Video 3

When compiling, I encounter the following error:    Unhandled Exception:       Xamarin.Forms.Xaml.XamlParseException: Position 9:15. No Property of name ItemSource found       "Unhandled Exception:   Xamarin.Forms.Xaml.XamlParseException: P...
asked by 14.06.2016 / 20:49