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How to pass default values?
Hi, greetings for the day. I am beginner. Basically, I am designing filters page where I need to pass some default vales from FiltersPage.xaml.cs to ItemListPage.xamsl.cs so that user gets a list of...
View ArticlePlugin.GoogleClient returning AccessToken = null
Hi, In my app use Plugin.GoogleClient. Working fine, but AccessToken = null is returned. I need the access token to log into firebase. Am I missing something? Please My Code:...
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ImageButton Source property not updating
Hello everyone, I am new to Xamarin Forms and this is the first time I post here. I am currently developing a minesweeper in Xamarin Forms and I ran into the following issue: when I change the value of...
View ArticleDocumentSnapshot cast ArgumentOutOfRange Exception after Visual Studio update
Hi, I am developing a cross platform application for an university exam with Visual Studio 2019 for Mac. I am using the Cloud Firestore as database integrating it with the CloudFirestore's plugin....
View ArticleHow to show/hide Forms Maps "elements"
Hi, maybe it has been answered, but i can't find in this forum. My question is: 1. can i hide "show the current user location" button in forms maps (it is on the up/right corner of the forms maps)? And...
View ArticleApp failing on some devices. API level?
Hello to all. Sooo, new problems, I guess. We have an app that, until now, worked perfectly on any device (except, maybe, really old smartphones). But suddenly, I think the last few weeks, it started...
View ArticleHow to wait for a PopAsync after a PushAsync
Hello, Page1 PushesAsync Page2. When the user has finished with Page2, Page2 is PopedAsync. How I can detect in the Page1 ViewModel that Page2 is PopedAsync? This is the Page1 View Model code:...
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Cloud not launch Xamarin.Launcher
Dear all, I am facing an issue with the launch iOS simulator. The following image appeared when I tried to debug. How can I fixed it? Environment macOS Catalina 10.15.4 Visual Studio for Mac === Visual...
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Xamarin.Android JavaTypeInfo Build Error
I am not able to build my Android project. It is throwing me the error, as shown in attached. Following is error details: Failed to create JavaTypeInfo for class:...
View ArticleOpen contentpage from class
Hi, Maybe this is an easy one, but I cannot figure it out. I have a class and a contentpage. I want to open the contentpage from this class. Is this even possible? If yes, how? Regards, Ganesh
View ArticleXamarin Custom Control - How to?
I followed this article to create a basic "custom control" for Xamarin... No joy! https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/layouts/contentview Using this article I...
View ArticleShell Tab Bar Customization
Hi i want to implement Customization to TabBar in Shell. Want to apply increasing Height, ICON Size, and ICON Color. Tint Color defined in Shell Xaml. ) For TabBar height, Tried in Android with Shell...
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MSAL Attentication (Microsoft Authentication Library) Failed with Intune...
I have Created MSAL Attentication(Microsoft Authentication Library) With Xamarin Forms Using TentID and Client ID.Attentication work fine When There is no SMS Two Factor Authentication and when there...
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How to implement a Simple Drag and Drop feature in a CollectionView in...
How to implement a Simple Drag and Drop feature in a CollectionView in Xamarin Forms ? Without using any 3rd party NUGET package. Below code is of a simple collectionview but now i need to render it......
View Articleget currently visible group name of collectionview
I want to set currently visible group(of collectionview)'s name to page's title. Is it possible to get group(currently visible) detail of CollectionView ?
View ArticleMVVM Problem
Hello I have a little problem with my code <Button Text="Registrame" x:Name="btn_registramen" Style="{StaticResource YellowButtons}" Margin="0,20,0,0" Command="{Binding LoginCommand}}" >...
View Articleerror using the Plugin.Xamarin.Controls with ios project
When using the Plugin.Xamarin.Controls the IOS project throws the following error in the AppDelegate.cs global::Xamarin.Forms.Forms.Init(); error System.TypeLoadException: 'VTable setup of type...
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Mobile App (Xamarin Forms): Package System.Numerics.Vectors 4.5.0 Not...
Hi Everyone, I need help with this issue. I recently installed VS 2019 Version 16.6.0 on a barely new computer. I am a newbie to Xamarin development. I created a new Mobile App (Xamarin Forms) project,...
View Articlexamarin collectionview and listview draw speed very slow
My test phone is LG-V50 and LG-G6 and Note5 my test collectionview code <CollectionView Grid.Row="1" ItemsSource="{Binding Model.ViewList}" SelectedItem="{Binding Model.SelectedView}" >...
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DynamicResource TableView with settings intent
Hi, I am trying to implement DarkMode in my android App. I am using a TableView Intent="Settings" with SwitchCells. I have following issues: 1. I can not set TextColor DynamicResource in...
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