Quantcast
Channel: Recent Threads — Xamarin Community Forums
Browsing all 204402 articles
Browse latest View live

Where do I report problems with Xamarin.Forms?

Where do I report problems with Xamarin.Forms?

View Article


Native crash on app start on some devices only

Currently one of our Xamarin.iOS apps is having an issue. On app startup the app seems to crash for a small number of our customers. We have AppCenter integrated for crash reporting but the crash...

View Article


Debug as upgrade instead of new deployment to retain data?

Hi, I am wanting to test how a user upgrade would impact their existing database with database table changes.. how can I do this using the debug on device from Monodevelop? Every time I debug it...

View Article

Linespacing for multiline/wrapped text

Hello, i am currently trying to develop a app for iOS and android with Xamarin.Forms and encountered a problem: I got a label, filled with text, that gets wrapped over two or three lines. The text gets...

View Article

Image may be NSFW.
Clik here to view.

Visual Material Entry - Change border color

I am using Visual="Material" on our Entry controls. How can I change the color of the underline? We'd like to make it Red when a business condition is met on the Model.

View Article


How to: Debug Xamarin Forms 3.6 and up

I wrote a blog on how to debug Xamarin Forms 3.6 and up (3.5 and under is very different). Helps when you have a hard to fix bug in your app. Maybe the problem is with the framework? Super simple:...

View Article

Logcat Device Log Problems

I've had a plethora of problems with the device log, and weirdly enough i can't find any answers to them, so I might be missing something obvious here. First off, I cannot choose any Device in the...

View Article

Using objective-c exceptions in Xamarin.iOS

Hello, I am trying to use a private third-party objective-c library. It has its own exceptions, and each exception comes with extra data. In particular, the library's exception (let's call it...

View Article


Google Maps marker rendering

there is a package AutoFac - responsible for creating all the components of the application there is a package Cirrious.FluentLayouts.Touch - is responsible for the automatic location (of the type of...

View Article


Using EF and SqLite - keep getting "object reference not set to an instance...

I'm sure this will be a simple fix to a trained eye, but apparently my eyes are not trained enough... I'm using Xamarin.Forms .Netstandard 2.0 project with EF and SQLite. I am able to: create database,...

View Article

Open new Page in active TabbedPage Tab.

Hello. I have a TabbedPage with 5 ContentPages as Tabs, one of them has a Listview wuit a Binding ItemSource, witch get all data from an ApiService. What I want is, if the user tap on any item from the...

View Article

Best practices execute method async in ViewModel

Hello, I need that it execute a method async at the beginning in VM, how do it? example: public Command TextCommand { get; } public ViewModel() { TextCommand = new Command(async () => await...

View Article

Azure Push Notification

I have configured push notification through the Azure portal, my android and ios app receives the test notification from the Azure portal successfully. My question is Do I need to configure the back...

View Article


VS 2019 Multi-Dex in Android?

There is a new way in VS2019 to handle Multi-Dex and other Android optimizations, but for the life of me I can't find the blog/docs I read it in last year? Anyone remember where to find that?

View Article

Xamarin Forms Android: java.lang.IllegalStateException: Unable to create...

I have a Xamarin Forms Android app and one user keeps hitting the above crash. I can't reproduce it on my emulator with the same configuration. From AppCenter, I can see that the user doesn't do...

View Article


Locating Exception from Release Stack Trace

I have a Xamarin Android application that is deployed to testers which is crashing intermittently. I log the stack trace when the application has an unhandled exception however I'm having difficulty...

View Article

Image may be NSFW.
Clik here to view.

When Entry Completed Event, change to the next Entry without closing the...

Hey, I'm working on a small Android (Crossplatform) App for a school project. In the App I have a Login Screen (Email and Password). When I typed in my Email and I click next, I would like to Focus on...

View Article


await HttpClient.PostAsync() reports System.NullReference but...

Hi all, in my app I need to check if user is logged in. We are using Oath2 and I only want to check if refresh token is valid. I do this in OnStart method. I have simplified the code a bit but the...

View Article

Locating Exception from Release Stack Trace

I have a Xamarin Android application that is deployed to testers which is crashing intermittently. I log the stack trace when the application has an unhandled exception however I'm having difficulty...

View Article

Image may be NSFW.
Clik here to view.

When Entry Completed Event, change to the next Entry without closing the...

Hey, I'm working on a small Android (Crossplatform) App for a school project. In the App I have a Login Screen (Email and Password). When I typed in my Email and I click next, I would like to Focus on...

View Article
Browsing all 204402 articles
Browse latest View live