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Getting Argument Cannot Be Null Parameter name: assemblyName XAML

I just cannot figure this out. I am trying to use a converter for a StaticResource call. On app startup I get the error Argument Cannot Be Null Parameter name: assemblyName XAML. Here is what I have....

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How to intercept Navigation Bar Back Button Clicked in Xamarin Forms?

I have a xamarin forms page where the user can update some data in a form. I need to intercept the Navigation Bar Back Button Clicked to warn the user if some data have not been saved.How to do it? I'm...

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Android Account Manager Problem

I'm looking at using Account Manager in the Android portion of a Xamarin Forms application with the following code: var accMgr = AccountManager.Get(Forms.Context); var account = new Account("username",...

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[Guide + Code] Adding Pull To Refresh to Xamarin.Forms Android apps

I already posted about how you can do this on iOS with a custom TableViewRenderer, however last night I finally got it working on Android using the Support v4 SwipeRefreshLayout: Here is my blog post...

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Nested Controls in Absolute Layout

I'd like to nest a frame inside another control, while using AbsoluteLayout. However, it seems that the control always takes the layout options of the parent. Am I doing something incorrectly, or is...

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Xamarin.Forms App perfect on iOS but on Android the UI performs badly

Hi There! I currently have a project built with Xamarin.Forms, iOS is using 1.3.4.6332, and Android is using 1.3.4.6332. Both are using a UI driven from a shared project with an App class. The iOS...

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Initializecomponent does not exist in the current context

Hi , I have updated my Xamarin Studio and Xamarin.Forms to 1.4.0.0, now when ever creating Xaml Page in portable application , i'm getting build error as "Initializecomponent does not exist in the...

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How to Populate SQLite Db table in Grid view in Xamarin.Forms

Hi, i am new to Xamarin .Forms, i want to show DB Table records in grid view like in attached file, so how it is possible and which layout or view can i choose to achieve this type of view.

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Tapped Coordinate

How can get the coordinates when some on tapped on image?

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Set a boolean property (in ViewModel) to false when a SearchBox looses its...

Hi, I am using MVVM, and I want to put a boolean property (IsSearchBoxFocused) to false, when a SearchBox looses its focus. Would it be possible to do this with Triggers? How could I do this avoiding...

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Creating a custom control in a separate project and using it in another one –...

I tested a way of creating a XAML-defined custom compound control in a separate project and using it in another one. I created a Xamarin.Forms (template “Blank App (Xamarin.Forms Portable)”) solution...

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Tired of the situation

Hello, First let me tell you I'm a huge fan of the Xamarin.Forms concept and I love the Xamarin platform. But unfortunately, as a lot of other unlucky Xamarin.Forms developers, i begin to get tired of...

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WebView Zoom

Hi there, How can I enable pinch-and-zoom inside a WebView in Xamarin.Forms? It was easy enough using UIWebView in iOS. Thanks. Mike

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Customise MasterDetailPage cells

Hello everybody, I'm working on customize the background and textcolor of an item selected in the menu in a masterDetailPage and I'm running out of solutions. I want to change the text color of the...

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How to instantiate a Xamarin.Mobile.MediaPicker from Xamarin Forms ContentPage

I'm working on a proof of concept with Xamarin Forms and need some help with the following issue. I need to select an image from the photo gallery and it appears that I can't do it with a Xamarin Forms...

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Visual Design of MasterDetailPage

I'm noticing that on iOS the MasterDetailPage looks different than I'd expect on small form factor. It appears that the page I've set to be the Detail hangs over a bit on the right hand side of the...

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[iOS] How can I hide navigation bar while using Xamarin.Forms?

I tried the following but it didn't work: // In page protected override void OnAppearing () { base.OnAppearing (); DependencyService.Get<INavigationBarToggler> ().HideNavigation (this); } Then in...

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displaying the native ios person picker

I just filed this bug : https://bugzilla.xamarin.com/show_bug.cgi?id=33438 Anybody know if it`s a bug, or if i am not doing the ios person picker thing correctly ?

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Xamarin Forms with Sqlite One to Many Relationship

Hi there, I'm currently making an app that need to store and get data to and from a sqlite database. The two Nudget i'm currently using are Sqlite pcl and SQLite-Net Extensions. `[Table("patient")]...

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XAML / Event handler, no method found

Hi, Here is the code: AppMaster.xaml <MasterDetailPage Appearing="AppMaster_Appearing" ... > ... </MasterDetailPage> AppMaster.cs private void AppMaster_Appearing(Object sender, EventArgs...

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