Questions tagged as 'xamarin'

Tagged questions
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Show data coming from a JSON in a listview

namespace Monitorizacao.UI.Pages { public class Post { public int Id { get; set; } public string Title { get; set; } public string Body { get; set; } } public partial class TestAPIPage : ContentPage {...
asked by 20.12.2017 / 18:55
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Code sign key, keychain error

I'm new to the programming area and iOS and would like to understand what this error is and understand how I can fix it.    Error: iOS code signing key 'iPhone Developer: Luiz ***** (F *********)' not found in keychain. (N *** App.iOS) I...
asked by 14.11.2017 / 16:03
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I get messages in the background but does not show the badge with the message counter

In my App I get messages in Background. In foreground I can see the badge and the amount of messages received. I just can not get in the background. I use the RendyDelRosario Xamarin.FirebasePushNotification plugin , which I really enjoyed g...
asked by 03.11.2017 / 13:51
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Popup does not appear in my App

Use Rg.Popup.Plugins to create popups. Well, when I put in design does not rotate, the screen dims, but I click on it and nothing happens. I put a button with red background and even then, it does not appear. I did a separate project and it work...
asked by 03.11.2017 / 15:48
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MasterDetail Display

How do I display the MasterDetail above the toolbar? An example of what I want is the MasterDetail of the Play Store app that appears up on the bar that stands the time. <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns=...
asked by 05.11.2017 / 15:49
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I can not resize Popup in my App

I downloaded a project and I have a popup working. I was doing the same thing on my project and nothing. It does not make any mistake, only the popup does not rise as it should, it occupies the whole area of the mu App. I put a button in the pop...
asked by 04.11.2017 / 22:16
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How to detect slow internet?

Is there any minimally reliable way to detect that the user is on a slow connection? Basically, in my application, I would like to detect such a condition and omit loading some supplementary information from a WebService. So, is it possibl...
asked by 25.10.2017 / 20:47
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I can not receive messages to my App in release mode

In debug, I would take the token and add it to my sender and send PN. Deletei, recompile in release mode and now I can not send PN (Push Notification). See my sender's code: public partial class MainWindow : Window { public MainWin...
asked by 30.10.2017 / 16:55
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Whenever I connect debug mode, it gives me an error of An hundled exception occurred

This is the code public override void OnCreate() { try { base.OnCreate(); //If debug you should reset the token each time. #if DEBUG FirebasePushNotificationManag...
asked by 30.10.2017 / 12:30
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MismatchSenderId error

I had several projects on my console. I was able to receive push notification (PN). So I dropped all the projects and created just one. I made an app based on the step by step that a colleague passed me and I could not receive. I got the App tha...
asked by 01.10.2017 / 21:40