UI Stops updating when navigating back to a page only on Android 5.1.1
For some reason when I leave a page and then navigate back to it. When I try to type in an Entry or select from a Picker, the value is not displayed on the UI. The keyboard still appears and I can see...
View ArticleNavigationPage issue after XamarinForms and Prism updates
Hi, I updated out app from Xamarin.Forms 2.4 to 2.5 and from Prism 6.3 to 7.0. I have made some changes to App.cs and AppDelegate.cs / MainActivity.cs (as described on Prims page) but when I launch the...
View ArticleContentPage not removing XAML bindings when popped from NavigationPage?
Hi, I'm using the MVVM pattern with XamarinForms, so I create a model, assign it to the Xamarin Page (the page is a subclass of ContentPage) and because of the bindings declared in XAML everything gets...
View ArticleHow to make a different Layout for Phone / Tablet in one View
Hello, I pretty new in Xamarin Forms and I would like to do some kind of layouting. I would like to use one ContentView to display different Controls on Phone / Tablet. So basically the whole Layout...
View ArticleMicrosoft.AspNet.SignalR.Client support for Microsoft.AspNetCore.SignalR
does it support using signal r client for signalr . net core. If not is there a possible solution of that for connecting the server to client in xamarin forms. I am currently using .net standard 2.0...
View ArticleXamarin Live Player - Failed to debug your app.
So I've tried to debug the application in my phone. And everything seem well. But then I got this error: Start CloudDMS.DemoMobileApp.Android, Samsung SM-A300FU Player, . Attempting connection to debug...
View ArticleNuGet packages Xamarin.Android.Support.xxx updates from 26.1.0.1 to 27.0.2 fail
Hello, I cannot update Xamarin.Android.Support.xxx packages from 26.1.0.1 to 27.0.2: Install failed. Rolling back... Package 'Xamarin.Android.Support.Fragment.27.0.2 : Xamarin.Android.Support.Compat...
View ArticleTabbedPage hiding when pushing new Pages
Hi, I am developing Tabs in my application. When I am starting FirstPage from Tab1, It is hiding all the Tab's and showing page in full screen. How can I get Tabs in all screens of the app. My code...
View ArticleTabbed Page with Icon
Hello, I want to set icons in tabbed page and I'm using this code but everytime i get null exception on this line if (actionBar.TabCount > 0) and also app crash when i go from login screen to this...
View ArticleHow to save list of items to local db in xamarin forms
Hi, I know how to store data using Application.Current.Properties. I want to save a list of data to local DB and retrieve those data. For that which method is suitable?
View ArticleDeeplinks with new Xamarin forms not working
Hello, I have a very simple project. I'm trying to test AppLinkEntry (Deeplink). I have a very simple test code, creating a simple LinkEntry : var url = $"https://www.mywebsite.com"; var entry = new...
View ArticleSelect all items from local DB having a particular value
I implemented local DB in my project and I am using following code for select all the items from local DB. MyCommunities is my model class. public List<MyCommunities> GetItems() { lock (locker) {...
View ArticleCrash Reporting for Xamarin Forms App?
Hi, I'm looking to add crash reporting capability to my xamarin.forms app - are there any recommended modules / plugins that could be used for this?
View ArticleNavigation.PushAsync hangs showing a new page
I have a Master Detail page. Detail page is created in NavigationPage container. On detail page I have a button. On Click I'm doing the follow: await Detail.Navigation.PushAsync(GetNextPage()); And...
View ArticleHow to sync Firebase chat to local sqlite in Xamarin.forms
Unable to sync firebase chat to local database. I am using _lstChat.ItemsSource = db.subChat(data.Key); for direct bind firebase chat to list. But When I want to save locally var dd =...
View ArticleHow to set viewcell or label height. a long post will come. Because I can not...
<ViewCell> <ViewCell.View> <Grid Padding="5"> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> <ColumnDefinition/> </Grid.ColumnDefinitions>...
View ArticleError is coming while accessing web service in xamarin ui tests
System.Net.Http.HttpRequestException: An error occurred while sending the request ---> System.Net.WebException: Error getting response stream (ReadDone2): ReceiveFailure ---> System.Exception: at...
View ArticleHow to catch A geolocation error occured: PositionUnavailable?
I'm getting crashes with the unhandled exception "A geolocation error occured: PositionUnavailable" But the only place that I think I am calling anything geolocation related is the following: try {...
View Articleunupdate binding picker items
Hi developers i have some problem here when try to binding string list to picker get result 0. i'm try this https://blog.xamarin.com/new-bindable-picker-control-for-xamarin-forms/ and some other but...
View ArticleHow to use System.data.SqlClient?
Hi, How can I use the System.Data.SqlClient namespace in my Xamarin Forms in my Visual Studio for Mac? It doesn't seem to be understanding it? Kindly help.. Thanks, Jassim
View Article