NavigateFromMenu System.NullReferenceException
Hi, I used the MasterDetailPage Xamarin template and have been building on top of it for my application. In the method NavigateFromMenu when I set the Detail to a newPage, I get...
View ArticleUnable to determine type in mono-runtime when NSArray is passed to the...
We have an NSDictionary containing an NSArray being passed to the Xamarin layer from the native ios code. But as NSArray is weakly typed, converting it into a strongly typed data (to add to json...
View ArticleFastRenderers.LabelRanderer random crash on Android
I've been experiencing a random crash on Android for quite some time. It's still happening with the latest Xamarin.Forms that I am using 3.3.0.967583. Anyone else having the same issue? Stacktrace: at...
View ArticleHow to solve problem with old dll versions from Xamarin android (Automapper...
Hello all. I spent 2 days googling, trying to resolve conflict situation with dll versioning in Xamarin. I saw a lot of posts with identical issues (just different NuGet packages) but as I saw, no...
View ArticleHow to solve references conflict between Xamarin Android and...
Hello all. I spent 2 days googling, trying to resolve conflict situation with dll versioning in Xamarin. I saw a lot of posts with identical issues (just different NuGet packages) but as I saw, no...
View ArticleUWP Customized WebView Crashes in Renderer during PopModalAsync
Hi, I have an CrossPlattform App, which for the moment runs only in UWP. The App shows a WebView which musted be change to custom renderer because usage of ScriptNotify and InvokeScript. So I did and...
View ArticleXamarin.Forms Hybrid Webview
Hi fellas, I've a HybridWebview with handle JS Event Register and Evaluate JS fuctions and its works well. But i need some improvment on my hybridview whitch is js alert,promp, etc. support. I already...
View ArticleMy gosh! Are there any common sense example showing how you do a web api Get...
Holy Cow!! Is there any simple and straight forward example on how a person would have a xamarin forms button... when you click that button the bloody app will display the list to the bloody mobile...
View ArticleXamarin has stopped working and throws an exception
Xamarin has stopped working and throws an exception
View ArticleRun Xamarin Sample iOS App on IPhone Simulator
Hi guys, I have the following issue. I downloaded the following sample project- StandardControls sample app. I develop primarily on Windows 10 however for the iOS part I purchased a VM from...
View ArticleError initializing task PackageFilter: Not registered task PackageFilter....
So, whenever I try to build my solution I get the error: "Error: Error initializing task PackageFilter: Not registered task PackageFilter. (Name og project in solution)". I have no clue how to solve...
View ArticleHybrid Webview JS Alert
Hi everyone, I'm using Hybrid Webview with EventRegister , Invoke JS , EvaluateJavascript functions. As you know Hybrid webview using WKWebview. But WkWebview didnt manage and support JS Alert , prompt...
View ArticleApplication fails at InitializeLastChance (MvvmCross)
Hi, I've created quite simple app using Xamarin and MvvmCross (v.6.1.2). Since I needed to display dialog on Android i tried to create custom Setup class, to register android specific implementation...
View ArticleDrawing a border around any kind of view
I have been reimplementing an existing solution in Xamarin forms. In this original solution one of the things i have to be able to do is draw borders around any kind of view element. These borders...
View ArticleWebView Navigating not being hit in UWP
I have a webview on a page, looking something like this WebView x:Name="Browser" Navigating="OnNavigating" Navigated="OnNavigated" Button Clicked="OnSaveClicked" Text="Save" In the codebehind there is...
View ArticleCould not copy "obj\Debug\netstandard2.0\MyApp.dll" to...
Hello. Frequently in Xamarin I receive the following error: Could not copy "obj\Debug\netstandard2.0\MyApp.dll" to "bin\Debug\netstandard2.0\MyApp.dll". Beginning retry 1 in 1000ms. The process cannot...
View ArticleHow to hide keyboard when focus Entry
I have a Xamarin.forms project, I have a page with an Entry control, I want to hide the keyboard when the Entry gets the focus ,because it is for scanning barcode labels, how can I achieve that? The...
View ArticleChanging the encoding of a video created by plugin Media
We are using James Montemagno Plugin.Media NuGet package to create a video file to be sent to a web server. Creating and sending the file is fine, great and well on Android and most iOS devices but...
View ArticleFailure [INSTALL_FAILED_VERSION_DOWNGRADE], can not deploy Android app
Hello, in my solution, I can not run the project on my Android phone. Can not deploy the solution because of the error : Failure [INSTALL_FAILED_VERSION_DOWNGRADE]. How can I solve it?
View ArticleHow to use MasterBehavior in Xamarin Forms
Hi everyone I am facing issue when i am using MasterBehavior getting error can you please guide me how i can use MasterBehavior = MasterBehavior.Split; i want to split my masterdetailpage in ios...
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