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How to acces object inside CarouselView Xamarin.Forms

I have a Xamarin.Forms app that displays a ViewFlipper (https://github.com/TorbenK/ViewFlipper) inside a CarouselView. I would like the ViewFlipper to flip back to the front when changing pages inside...

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All views inside CarouselView are null

I have defined a CarouselView in XAML as follows: <?xml version="1.0" encoding="UTF-8"?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"...

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Can I call method from MainActivity by using a caller nested in MainPage.xaml

Am trying to access a method which uses android dependencies to check if my device supports bluetooth, so I have a button called Check in my MainPage.xaml, how can I call this method from...

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Is there the Indeterminate attribute for the ProgressBar in Xamarin.Forms?

Hi all, I would like to understand how to create a indeterminate progressbar in Xamarin.Forms since I haven't foud the Indeterminate property. Thanks in advance

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How to capture fingerprint with UareU to database- xamarin.forms

I build a desktop app for my client which capture student's Bio data including fingerprint using U.are.U Digital persona. But now they want a mobile version of the same app. The question is how can I...

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Return value from PushModalAsync

I have a few pages that I'd like to call like functions. As in, I'd like to show the page modally, then do something with a result. Because awaiting PushModalAsync doesn't actually block until popped,...

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OneSignal HandleNotificationOpened redirect the diffirent page

Hello in my project I use OneSignal for notifications. How can I redirect the different page from droid or ios project. I used passing parameter to LoadApplication(new App(bool...

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How to get element color using UITest?

How to get color of any element? For example, I have query c => c.Class("AppCompatButton") to get button. app.Query(c => c.Class("AppCompatButton").Invoke("getBackground")) always returns...

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Add native (android) controls in custom renderer

Currently I am trying to implement a custom renderer for android, which is supposed to display a pdf document. For doing that I need to add some android controls from within the custom renderer and add...

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Best way to show multiple listview with items of different data types?

I'm trying to display three lists of data in a single content page and I want to control the visibility of each list (as a group). Can any one suggest me best way to deal this scenario. Putting...

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How to implement NFC in Xamarin.Forms

Hello, I need to implement a Xamarin.Forms application that can read NFC tags. Regarding this, I have 2 questions: How to enable NFC in Android Emulator I have used _nfcAdapter =...

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Xamarin grouping listview with pagination

Hello friends, I have used grouping list view in my chat screen like WhatsApp now I need to load more data/pagination when scrolling reach at 0 position please give me any suggestion. In grouping...

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CarouselView has multiple items by default

I have created a CarouselView, base off of the Monkey example. Currently my app is, by default, showing as many items as it can stuff onto the screen. The CarouselView is within a StackLayout. I'd like...

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How to call a async Task method in the constructor?

I want to execute the GetCountries() method, but there is a mistake, can someone help me to fix it? So that i can call the GetCountries() method in the Constructor AddEventViewModel().

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Value cannot be null. Parameter name: type

Not sure what changed, but now when I build I get this error on every XAML file in my project. Has anyone ran into this issue before? Tried all of the usual fixes - del bin/obj, restart, clean rebuild,...

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Implementation of Network service Discovery using xamarin forms

Hi , Can any body know how to implement Network Service Discovery in xamarin forms.If anybody implemented it already please send the code. Thanks, Sunil

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Xamarin Forms Video Chat Application Possibilites?

Hey all, I've been doing a lot of browser based WebRTC projects and was wondering if anybody knows a way of doing something similar or can put me on the right lines on what to look for to make a 1v1 or...

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Json configuration file

Hey guys, I'm trying to add to my project a config.json file. I am following the steps indicated in the documentation article about this. https://xamarinhelp.com/configuration-files-xamarin-forms/ The...

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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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Prism - binding same command in different TabViews

Hi, I've a view which represents one big data object, so to make it more manageable main view contains TabView and in each TabView I display different views with data for the object. For example...

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