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ListView BeginRefresh EndRefresh causes pointer to show on XF Android
I recently added ListView BeginRefresh and EndRefresh to resolve another bug. However now, an artifact is displayed on each item added to the ListView. Its like a finger touch or scroll white dot. It...
View ArticleCustom ItemsSource bindable property
I'm working on a control for my application that I'd like to have an ItemsSource bindable property that behaves like the stock ListView. I have a backing property of ObservableCollection but am not...
View ArticleVisual Studio Erro
Severity Code Description Project File Line Suppression State Warning IDE0006 Error encountered while loading the project. Some project features, such as full solution analysis for the failed project...
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WebView HTML or Javascript limitations?
Hi all, I have a custom renderer for my webview with a custom webview delegate in ios. My Problem is, that I often got the NSError "0" - "The operation couldn’t be completed. (Invalid .ctor used error...
View ArticleWhy am I getting this error?
[Failure] Could not find file '\Mac\Home\Documents\Visual Studio 2015\Projects\XamarinApp1\XamarinApp1\XamarinApp1.UWP\obj\x86\Debug\App.g.i.cs'.
View ArticleVS 15.3, breaks app with .NETStandard1.4 libraries
Hi, with the latest update of VS2017 my project (Xamarin.Forms with UWP and Android) is unable to compile. Im using .NETStandard1.4 projects, using a lot of NuGet-Packages, like Xamarin.Forms etc. To...
View ArticleCan somebody help me to connect bluetooth LE 4.0 with arduino.
I want to enable the bluetooth on my ios device by use Xamarin and connect to bluetooth LE 4.0 module ( arduino ). Have somebody ever do this before? Can you give me some advice how to do this? Because...
View ArticleSimplest Cross-Platform way of drawing a coloured bar
I need to draw a coloured bar, with its length indicating a percentage, and to be able to change its length programmatically. I thought I might simply be able to use Boxview and set the Height and...
View ArticleXamarin forms IOS : Softkeyboard is not showing up after clicking backspace...
Xamarin forms IOS App :When i do backspace or keydown in an entry control then softkeyboard is not showing up when i focus on the entry control. I want to allways show the softkey board when user focus...
View Articleopen Webview links in external Browser if target is set to _blank
Hi, i know how to open links in the external browser, but i want to do it only if the target of the link is set to _blank. Any idea how to do that? Thanks Helge
View ArticleAnimations in List
Hi all! I have a problem with animations that I hope you can help me with. I want to create a "rotating image" component that I can use where I want, especially in lists, without having to manually...
View ArticleProblem with Custom Renderer
Following a guide online, I've created a custom renderer for a navigation page with the goal of changing the font and color of a toolbar caption. To start, I set up a custom NavigationPage in the PCL...
View ArticleERROR ITMS-90705: "Launch storyboard not found"
I developped an IOS app using Xamarin Forms. And when i try to upload the ipa file with Application Loader I get this error : ERROR ITMS-90705: "Launch storyboard not found. Make sure you specify the...
View ArticleMVVM - Performing an action in ViewModel from page OnAppearing
I've got a full MVVM implementation which is working nicely, for a project which communicates with BLE devices. My problem is that I want to delay connecting to the device until the Page is appearing,...
View ArticleXamarin Forms iOS Button Click Event is not Firing when the keyboard is open
Hi All, I have a login view with a UserName & Password field and a Login Button. While entering UserName & Password the keyboard opens and when i click login now, the click event is not getting...
View ArticleHow to pause a method till getting response from Rg.Plugins.Popup?
I am using Rg.Plugins.Popup for a simple confirmation popup before deleting an item from the list like "Are you sure you want to delete Item1 from the list?". I need to know how to pause the deleting...
View ArticleXamarin.Forms.2.3.4.247 update : project won't build
Hi, I just updated Xamarin.Forms to version 2.3.4.247 as well as a couple of other packages, and I get this error, completely new for me:...
View ArticleCrash calling DisplayAlert when using Windows Assigned Access
We've just upgraded our Xamarin UWP app, which we sideload and run on kiosks (Surface 3s, Windows 10) in Assigned Access mode, to Forms 2.3.4.231 from Forms 2.3.3.180. As soon as DisplayAlert is called...
View ArticleGetting error while using XLabs MediaPicker in IOS
I am using Xlabs MediaPicker in my Xamarin forms application. Its working fine in android but when it comes to iOS getting following error. Am just using media picker to pick the image from gallery....
View ArticleSIGABRT while debugging async methods
These methods used to work fine, but iOS rejected our latest App version because an unspecified error. While debugging, they work fine, unless you go step by step after a breakpoint. After said methods...
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