Problem with app after resume.
Hi. For my first project during learning xamarin I make simple app where user can create a note and add alarm time to schedule local notification. I have a problem when app resume from background. To...
View ArticleGet the Selected Item when clicking a Button within Listview
I want to be able to click the button in the Listview and get the selected item corresponding value. I don't want to tap the item in the list, I want it operated by the button only. How can I do this?...
View ArticleTaskCanceledException thrown on await client.PostAsync()
Very strange problem (all code is in PCL),. When I call await client.PostAsync() against a webservice (API's), I get the TaskCanceledException. Few things to note: This is running fine on Android...
View ArticleSystem.EntryPointNotFoundException: mono_get_runtime_build_info
Hi, I'm using Xamarin.Forms 2.3.4.247 Couchbase Lite 2.0.0-db013 Couchbase Server 5.0.0-3217 And am getting following error when trying to replicate the database on the Xamarin.Android project: 08-16...
View ArticleFreshMvvm and 2 x Observable collections. Issues with View not updating.
Hi all, Ive been stuck on this for a little while and would really appreciate some help. Ive got a page with a Carousel view on top, then underneath it a horizontal scrollview using this implementation...
View ArticleBuilding a Web Based App
Good day lads/lasses I'm very new to app building but i have some basic programming knowledge. I currently have a few questions that i hope can be answered as I am still unsure as to how it's done. I...
View ArticleHttpClient PostAsync MultipartFormData returns 403
Hi, First of all I'm sorry for my english. I'm trying to make chat app with XF and I'm trying to upload a file with parameters to server. But I'm getting always 403 Forbidden message. (There is no...
View ArticleForms 2.3.4.247 iOS release build Xamarin.iOS.Common.targets(747,3): error :...
Any one got this issue? Visual Studio 2017, build via Mac in the Cloud Unable to do release build for iOS. Get this error after Detected signing identity: 2>C:\Program Files (x86)\Microsoft Visual...
View ArticleBuild fail with Unexpected error for iOS. Does any one know how to resolve this?
System: VS 2017, build via Mac in the Cloud. I can build and run the iPhoneSimulator but when I try to do a release build I get the following: Detected signing identity: 2> Code Signing Key:...
View ArticleXamarin Forms Carousel View in C#
I'm trying to create a Xamarin Forms app for iOS using a Carousel view but i'm getting no where and I can't seem to find any useful help. I can use C# and have a fairly good knowledge of C# but I can't...
View ArticleListiview scroll + Entry = Crash
Each item in my listview has an entry. When I put the focus on the entry and I scroll in the list the app closes. Is there any way to hide the keyboard when I scroll down the list with custom render?...
View ArticleIs there a way to render the Zxing ScannerPage in Xaml?
I'm using the MVVM approach to make a small scanner app. I have a startPage.Xaml with one button binded to a command in the viewModel that opens my scannerPage.Xaml On the scannerPage I have just a...
View ArticleCan I have multiple styles in XAML associated with the same Key.
"> I was reading this blog, where the author discusses how to toggle between a light and Dark theme. By using DynamicResource Bindings:...
View ArticleTargetting xamarin.forms project to vs2017 15.3
Hi All, this is great blog : https://blog.xamarin.com/net-standard-library-support-for-xamarin/ I follow it to convert my project to .net standard 1.6 and it works well with EF core 1.1.2. now I...
View ArticleCustom renderer for dialog
Hi, I'd like to create a custom renderer to display dialogs using platform specific dialog hosts. I'd like it to be able to take any arbitrary Xamarin Forms view as its content. I am first trying to...
View ArticleCreate Native view WinRT from Xamarin Forms ContentView.
Hello sorry for my English. I can make a render for xamarin view to native control Android and found very good. Ex: var r = Platform.GetRenderer(contenido); if (r == null) { r =...
View ArticleAzure Bob storage Exception Microsoft.WindowsAzure.Storage.CloudStorageAccount
Hi, I am getting below exception while accessing blob storage while parsing the connection string. Error: The type initializer for 'Microsoft.WindowsAzure.Storage.CloudStorageAccount' threw an...
View ArticlehttpClient.PostAsync works on Android and iPhone simulator but fails on real...
Hi, I recently got caught up on XCode and Xamarin updates. Now a Post from a real iPhone device gives me a 500 error while the same code in a Droid phone or an iPhone Simulator from Visual Studio works...
View ArticleHow can I group styles inside something similar to a ControlTemplate and...
So I was going thru an example that showed how I can setup control templates and then to bindings to a ConttolView to make app wide changes, to a theme. All this is fine and dandy for controlling...
View ArticleHow to use the Mono.Data.Sqlite.SqliteConnection xamarin.forms PCL
How to use the Mono.Data.Sqlite.SqliteConnection xamarin.forms PCL xamarin.forms shared library can be used How to use the Mono.Data.Sqlite.SqliteConnection xamarin.forms PCL, xamarin.forms shared...
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