Category "xamarin"

How to set the ContentPage Title StringFormat through boolean binding and DataTriggers in Xamarin.Forms

I have created a "Mobile App (Xamarin.Forms)" project in VS 2019: and then I chose the "Flyout" option: I modified two of the auto-generated classes: ItemDeta

Firebase Android FCM INVALID_SENDER when trying to get token

I created a google-services.json file and added to my android project but when I tried to get a token I received this exception: { Java.IO.IOException: java.uti

Xamarin - Shell.Current.GoToAsync($"//...") performance too slow on Android

I have a Xamarin project and I'm using visual studio 2019. I consume an API to access data and for my LoginPage flow I used routing in shell. So here is my AppS

Android App doesn't get back after logging

I'm trying to implement OAuth through google in my xamarin app. My code looks like : var auth = new OAuth2Authenticator ( clientId: clientId, scope: sco

Xamarin Send data via Nfc in IOS is possible?

I can't understand if is possible to create an app that simulate an Nfc card on your IOS device. (Send data to nfc reader like a Pos) In Android is possible and

How do I set Authorization Header for my HttpClient across all pages?

After contacting API in a login page with a successful login, I receive a JWT. And I want to set the AuthorizationHeader ONCE to use across all pages when navig

Xamarin Shell: Redirect to different page and remove current page from nav stack

I imagine this is pretty straightforward, but I'm struggling to make sense of how to do it via the documentation... I've got a tab page, that is opened from a f

Xamarin MulticastLock Acquiring doesn't allow multicast

I am using Xamarin to create an Android application. This app must, among other things, receive a multicast stream. The server is sending fine, but my app is no

Does mvvmicro/AutoFindviews supports AndoridX libraries?

Currently I am trying to update Android support libraries to AndoridX in our project which is built on Xamarin.Android. But when I use androidx widgets in layou

Difference between debug and release builds in Maui ios

I'm using Maui preview (now release candidate) with a blazorwebview, to build a fairly simple app which connects to a webservice and synchronises data. The wind

Realm v10 database in Xamarin iOS project won't build - "No matching framework found inside...realm-wrappers.xcframework"

I'm attempting to upgrade the Realm database version I'm using in my Xamarin Forms project, from v5 up to the latest v10. The original Realm database has been w

Resource style not found even though I already remove it and not using in Styles.xml

I created this in Styles.xml <style name="Content.Right"> <item name="android:paddingTop">60dp</item> <item name="android:paddingLe

How to develop salesforce chatbot with xamarin forms

I want to develop Salesforce chatbot with xamarin forms application. I am not able to find what sdk or nuget package, I should use. There is no information seem

Xamarin: ListView search whether Uppercase or Lowercase

I'm creating a Search Bar and can't seem to get results back. It seems to be case sensitive. Is there any way I can make it case insensitive so the user can sea

INotifyPropertyChanged vs BindableObject vs ObservableObject in Xamarin.Forms/MAUI

I have a hard time understanding the difference between those 3 things when creating a project using Xamarin.Forms or MAUI. I know what these are - INotifyPrope

How do I define and use IOn[X]SetListenerImplementor

I am reading through the source code for Xamarin and came across these two dialogs: the TimePickerDialog and DatePickerDialog. When reading through these, I see

How can I draw and edit shape using Xamarin forms?

I want to build a simple Xamarin app that can draw shapes with editing handles. I can then drag and drop the handles to edit the shapes. This can be done with S

OidcClient.LoginAsync in Xamarin Android caching the login information

In Xamarin.Forms application, I am doing login through OidcClient, I am facing one issue with Android. After the first successful login, the user does not go th

I would like to change my Items Page from using CollectionView to ListView in xamarin.forms but I am having issues?

The above header refers. I would like to make this change so I can implement expanding lists (whereby my some of my list of items could have sub-items that can

Xamarin System.ObjectDisposedException: 'Cannot access a closed Stream.'

I'm working on a mobile project with Xamarin Forms and I have this error in particulary case but, it's impossible to use the debuger to fix it. System.ObjectDis