Questions tagged as 'xamarin.forms'

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XamarinForms-error CS0246: The name of the type or namespace 'X' (missing a using directive or an assembly reference?)

Today in the morning I had this problem and I have not been able to solve it, I understand that the error CS0246 indicates that I am missing some reference, I have tried to add and remove the reference of the application but I have not obtaine...
asked by 26.06.2018 / 00:07
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Problem Visual Studio: Xamarin Forms

I hope someone can help me. When running the app on the cell phone, it opens but closes without giving a dialogue that was unexpectedly closed, nor does the log appear any error. It simply closes, it should be noted that it is an application by...
asked by 23.06.2018 / 03:46
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Error Xamarin Forms MediaPlugin RemoteView

I am using Xamarin Forms in which I implemented the MediaPLugin plugin to take a picture. The detail is that when I take the photo from my device it sends me the following error:    Unhandled Exception:       Java.Lang.IllegalState...
asked by 20.06.2018 / 20:34
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Get array of a sqlite table

Oigan I wanted to ask you how to individually obtain the objects of a sqlite table, essentially I need to obtain the date of this appointment to compare it with the current date, but I have problems to fetch this data ... What really interests m...
asked by 21.06.2018 / 19:49
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pushasync-is-not-supported-globally-on-android-please-use-a-navigationpage

I am trying to visualize the data of a listView in the MainPage (main) by passing it from another page but it gives me this error ... pushasync-is-not-supported-globally-on-Android-please-use-a-navigationpage . In the App.cs I have this: pu...
asked by 22.05.2018 / 14:45
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I can not launch whatsapp

I can not get into the DependencyService from the main to launch Whatsapp Interface: public interface IWhatsApp { void OpenWhatsApp(StringBuilder whatsapp); } Android: [assembly: Xamarin.Forms.Dependency(typeof(IWhatsApp))] namespa...
asked by 11.05.2018 / 10:15
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Xamarin.Forms Webview custom renderer for MacOS and WPF

I am creating a Xamarin Forms application with a Webview that loads a local web (pdfjs) to display PDF. I have made custom renderers for UWP, Android and iOS, following the official documentation and they are working, but now I have added sup...
asked by 04.05.2018 / 22:40
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DisplayAlert with Entry

Is there any chance of getting a DisplayAlert with an Entry inside to collect data without using NuGet? Something like that ...     
asked by 02.05.2018 / 09:52
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Visual Studio + Xamarin Forms

This time I'm writing to ask you a question. I have made a very simple program that has 2 labels inside a stacklayout . I'm using databinding but I get this error when compiling and I do not realize it can be.    IDE0006 Error lo...
asked by 28.04.2018 / 00:24
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Store DataPicker in SQLite [xamarin]

I am in Xamarin.Forms, I can not store the date of a DataPicker in the database. This is the class of the database: public DateTime Fecha { get; set; } public string FechaModificada { get {...
asked by 18.04.2018 / 15:05