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Binding for Event Handlers

I'm having trouble creating a data binding for an event (like Clicked on button). The control is implemented with XAML and code behind. I didn't think the XAML was important so I didnt include it here....

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ListView in Windows Phone causes Argument Out Of Range Exception

Hello, I am having the exact same problem, that was reported here: https://bugzilla.xamarin.com/show_bug.cgi?id=24681, which is: Attempting to remove the last item from the example list view causes an...

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Timer in Portable Class Library?

I would like to access System.Threading.Timer in my PCL targeting iOS, Droid, and Windows under Xamarin 3. I can't get it to happen. I know Microsoft accidentally left it out at one point, but they've...

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Launch a tabbed page from a tab

Hi, I am currently bringing FTrack2 (available on the app store) from being iOS only to work with Xam.Forms. The app relies on different parts of the app having different navigation bars. For example,...

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Binding and/or Converter Not Working

Trying to make a custom view that contains a ListView control. This is a control I made in WinPhone XAML and trying to port to Xamarin.Forms XAML now. In the item data template there is a content...

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Binding Update become blank on UWP

Hello all, I am a beginner and just starting to use Xamarin.Forms for cross platform. At first, the thing work fine in Android, but not working in Universal Windows Platform. I have create the...

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Linker Error - Error 105 Native linking failed, undefined symbol:...

Hi, I'm getting error when I try to build the application with "Link All Assemblies" option. App builds and works fine when I use Dont Link option!! 5> Undefined symbols for architecture x86_64:...

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Image As Background

Hello, I am working with Xamarin Forms and would like to use an image as the background for some pages. I have several Views and Layouts on different pages, and would like to overlay them onto a...

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Change root page

Simple question - with Forms, is it possible to change the Root page? For example, my current root is a Login page. However, once the user has logged in, I need to change the root page to be a...

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Layouts performance for Xamarin Forms in multiple platforms

In general I wanted to know what are the basics mix and match that we can do with layouts so that the performance of the application is not hampered? Example: I have a list view and inside my list view...

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How do you change the Frame Padding on WinPhone?

I have noticed that the Frame view on WP has a very large amount of Padding that I can't seem to override. See example screen shot. For demonstration purposes, the Frame was given a red background with...

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listview SetSelection not works in xamarin forms android

if (gurbaniPothiViewModel.IsFromSearch) { var res = gurbaniPothiViewModel.PothiDisplayList.Where (x => x.PothiText.Equals (gurbaniPothiViewModel.SearchText)).FirstOrDefault (); if (res != null) {...

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ResXFileCodeGenerator can only be used with .NET projects

I started a Xamarin.Forms project a few months ago, and then the Unified changes came. So, it appeared to be easier to simply recreate the project from scratch using the new app templates than porting...

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How to disable zoom in WebView

In my app (Android, iOS and Windows Phone) I have a Page with a WebView that loads content from a URL (an html page). The WebView takes all the space in my page and it's all working perfectly except...

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After Updating packages Xamarin.forms app getting crash on Android M.

Hi All, In my Xamarin.Forms App I have updated all packages of PCL and android specific but it's giving following exception in LoadApplication(new App) method. Specifically occurring on android M only....

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Is it possible to inflate a View from XAML?

I would like to create the XAML file for a View and use it in different pages. In native Android I'd do it this way: LayoutInflater inflater =...

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Accordion ListView

Hi all, I need an accordion list view for a project I am working on, I've heard that you can achieve this by using observable collection as the item source, but yet I'm not sure how that could be...

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ListView inside StackLayout: a height problem

In a ContentPage I have a ListView inside a StackLayout inside a ScrollView. The ListView is populated (ItemSource is set) in the ContentPage when OnAppearing gets called and I can see that the list is...

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How do I trigger an update of CanExecute in a custom implementation of ICommand

I've created an AsyncCommand that returns false for CanExecute while the command is running, which is great except I can't seem to update the CanExecute so it never gets disabled. In this article it...

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ContentPage

Hi all, Please I need your help. When I create a new xamarin forms project(shared) and then add a new ContentPage, The ContentPage that is inherited doesn't appear blue. It is as if though its not...

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