Questions tagged as 'xamarin'

Tagged questions
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Xamarin: Image is no longer visible when updating

From the application, I take pictures and they are saved in a list, when making the photo it looks good, but when the view is updated (or it is given to the back button and then it returns, or similar) the photo is left to see. You can see it i...
asked by 30.08.2018 / 13:48
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Listview does not slide

In a Listview I am adding elements, but when there are more elements that the screen allows to display, it does not scroll . Solution: The error was in the IsEnabled property, I wanted the photos could not be selected but I had not realize...
asked by 20.08.2018 / 12:26
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can a QR be generated and saved as an image with ZXing.Net.Mobile.Forms?

I have already managed to generate the QR, but I need to save the QR, so that the user can send or print it, my problem is that I have not been able to obtain the QR in a more user-friendly format, that is, I can show it on the screen , but I ca...
asked by 09.08.2018 / 05:34
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Project Is Not Compatible with MonoAndroid 81

I was programming and suddenly this error came up:    Project is not compatible with   monoandroid81 (MonoAndroid, Version = v8.1). Project TaskX.iOS supports:   xamarinios10 (Xamarin.iOS, Version = v1.0) The truth, I do not know what you...
asked by 02.08.2018 / 04:36
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Error The item X was specified more than once in the "Sources" Folder

I have a Xamarin.Forms project and I drag and drop an image into my Android resource folder, then I copied and pasted it into my UWP project, but the image is not displayed, so I changed its Build Action to Content, but The error is displayed:...
asked by 28.07.2018 / 02:20
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Xamarin Live visualization error

I'm trying to use Xamarin Live with Visual Studio 2017. The device is linked well but at the time of running the application I jump: Visualization Error No body on method SQLite.Net.Interop.Res ... The application works well from US...
asked by 18.07.2018 / 10:36
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Xamarin: Two picker controls, one dependent on another

I edit, thanks for the help @ Brian593. I have the first drop-down and it detects me when I select another from the list, now I need the second drop-down to change its items depending on the first, I leave the code below: public class Datos...
asked by 18.07.2018 / 11:44
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I get this error: Error CS0103 The Name "InitializeComponent" when I create a new blank project in Xamarin for Visual Studio

I have created a new blank project in Xamarin for Visual Studio, but, all the default code has errors like error CS0103, Error CS0103 The Name "InitializeComponent" does not exist in the current context XamaTask.Android, XamaTask.iOS, XamaTask...
asked by 24.07.2018 / 04:57
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SignInWithEmailAndPassword does not work

I am programming the login of an app, for authentication use firebaseAuth, but the method SignInWithEmailAndPassword () will pass the data that happens to it, it always ends, I do not know how to do it so that when I a user that is not in the...
asked by 17.07.2018 / 13:24
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Use database in xamarin

I wanted to see if they could help me, I currently have a desktop application in C #, but now I want to migrate that application to Android using xamarin. from here the question if it is possible the database already created and working, you...
asked by 22.07.2018 / 03:35