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Tab key not listening for CustomViewRenderer in Xamarin forms iOS

I have a xamarin forms grid and a written custom renderer for that grid in xamarin forms iOS platform. And applied BecomeFirstResposnder to that CustomRenderer on OnElementPropertyChanged. Added...

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Passing Checkbox value to Button click event

Hi Techie, How to Pass the check value ischecked = true|| False to button onclick method. Here is the code . Kindly check and comment it... public class Model : INotifyPropertyChanged { public event...

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Xamarin.Forms always start with AboutPage

Hi, I am new in Xamarin forms, when I try to debug my App it's always start with AboutPage, I do not know how to change it to start with the LoginPage. I am using Flyout project.

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QueryProperty changes string formatting

I am using QueryProperty to hand over a string from one page to the other. The string contains 2 backslashes like "\\TEST". When handed over to the other page it arrives as "/TEST". Is there any way to...

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Xamarin Forms WebView CanGoBack == false

Hi, I have a very basic xaml page. Whole page is occupied by WebView element (in my case, its custom webview, but I didn't notice difference regarding this behavior). But WebView.CanGoBack are mostly...

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Xamarin.Forms: Restore some settings on reinstall/update app?

Hi All, What is the best way to re-load settings after app update or reinstall for Xamarin.Forms app. I am using Xamarin.Essentials > Preferences but I know they'll be lost on reinstall. There's no...

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ListView within a Listview

Hi, I need to display multiple rows in each ListView ItemTemplate, for example I've database table with following records (FieldName: Value): Config: 1, Colour: Blue Config: 1, Size: M Config: 2,...

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e.FirstVisibleItemIndex returns wrong position if collectionView contains Group

Hello team and hope doing well. I am trying to get e.FirstVisibleItemIndex inside a scrolled Event, using a collectionView with IsGrouped option to true. Problem is that e.FirstVisibleItemIndex...

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Xamarin UITextView Binding in Code

We are developping a xamarin forms app in VS2019 where we require the rtf funcionality of the native UITextView. We implemented this with an interface and a platform implementation as shown below -...

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How to bind list in Content View?

Hello, In my project, I'm adding one content page in that content page I'm binding some content views using DataTemplate now I want to add a new content view that has list bindings on all of the above...

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Unicode character in text Trims itself or not showing completely in label

Greetings, I am having issue in presenting text in label. Some character don't wrap itself but cuts. They are basically unicode characters. I am attaching images, gif for better understanding how they...

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How to show tooltip in xamarin forms ?

My requirement is to show tooltips of button/controls on click on some next button. Gone through the xamboy tootlip link, here on click of the same button showing tooltlip. But in my case I will click...

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OneSignal push notifications with custom sound

Hi everybody, I'm using OneSignal for push notifications in Xamarin. everything works fine both at client side and onesignal REST API. But i'm stuck at a point and cant find a solution. i cannot set a...

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Samsung galaxy watch - where is located my app in filesystem?

Hi, I need to log my own message to simply .txt file, so I decided to do it this way: string fileName = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),...

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CollectionView index crash

Hello everyone I have an error with my code, that I can't figure out I have a collectionView, and when I press "Editar mascota" and "Cancelar" I get this error System.ArgumentOutOfRangeException:...

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Push notifications not working in xamarin forms.

I am working on xamarin forms. Where I am trying to send push notifications using google firebase and App center. Created one project on firebase and created one app on the App Center. Downloaded...

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Ambiguous routes matched for

Hi I have a Xamarin.forms project and I have defined my routing like this: Routing.RegisterRoute(nameof(HomePage), typeof(HomePage)); Routing.RegisterRoute(nameof(BrowsePage), typeof(BrowsePage));...

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WebAuthenticator clarification please.

I apologize in advance for the lack of knowledge in this particular area, hence I am asking for directions that might help me to educate myself. I am adjusting my xamarin app (forms and native droid...

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Prism access BindingContext from code behind

Hi, I need to dynamically build TableView from code behind as I can't achieve what I want with ListView (or any other component, complex scenario). I'm trying to access BindingContext after...

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How can I change cell value after binding in SfDataGrid? (similar as...

Dear, Sir or Madam, I am developing Xamarin Android app with Syncfusion controls. I got data from Ms-sql procedure then bound data in SfDataGrid. (Itemsource) I would like to modify display text after...

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