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Accessing the CommandBar in WP8.1

Hi, I want to change the background color of the CommandBar in WP8.1, but I don't know how to access it. I tried a custom Page and NavigationPage renderer, but I didn't find it. Is there a way to...

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Setting the corner radius for Xamarin.forms controls

how can I set the corner radius for xamarin.forms controls, for ioS setting the corner radius is just setting the property like wise is there any property to set for the xamarain.forms controls to have...

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Performance bottleneck on android in Children.Add

Hi, My apps always were kind of slow when I added many elements to a page or a layout, even if they are just Labels and Buttons. So I used the Xamarin Profiler and ILSpy to figure out what exactly it...

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Is Xamarin.Forms XAML designer supported on Visual Studio?

Hi! I've just added a new XAML to a Shared project but it seems not detect the schema and the designer is broken. Is it a bug or the designer and XAML editing isn't supported on Shared projects at...

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Mobile Chat Back End - what languages/technologies should I learn to achieve...

I am trying to learn and build an app that can integrate mobile chat. Mostly, I’m wondering what languages/design patterns/technologies I should learn so that I can fluently build and fully understand...

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InitializeComponent does not exist

Hi, I'm having difficulties on XAML files in a Sheared project. Using Xamarin Studio; What I did was simply adding a xaml page to the project and build without adding any code. And it gives me the "The...

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can I set the fonts dynamically according to the screen size ?

I create an app using xamarin.forms (PCL) and Now I want to set the font size according to screen size. means If I use the small screen simulator then font will display according to small screen and if...

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Access Xamarin Forms Layout (Frame) in Android

Hi, i have a question. I'm working on an application which provides UI with Xamarin forms. Now i want to show a toolbar or a dialog with dynamic contents (based on other circumstances) in my...

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Custom Property Issue

Hi All, I am having some issues when creating a bindable property. I am working with the forms map control and I am wanting to bind Pins in MVVM(I may be going about this wrong but its worth a shot) I...

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Please help me resolve align control problem

Hi all. Today i've create a page with layout like as below : I have a StackLayout with these options : Orientation = StackOrientation.Horizontal, HorizontalOptions = LayoutOptions.FillAndExpand,...

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How to refresh page from view model after navigating to it via PopAsync

We are currently testing Xamarin.Forms as an app development platform in our company. While trying to port our desktop app to Xamarin.Forms we encountered an issue. It seems that X.F is not updating...

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Failed to start iOS Simulator in the mac

I have a Xamarin.Forms project. I'm using vs2015. Today I updated Xamarin to the latest version:4.0.0.1697. When I tried to connet my mac as the Xamarin Mac Agent, vs shows the message below: Starting...

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Android Resource issues after upgrading to Xamarin Forms 2.0

I have recently upgraded 2 machines from Xamarin Forms 1.x to 2.0. One machine is OK and Xamarin Forms projects build fine for Android. The other machine is having dreadful issues. We have tried...

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Adding a tap gesture to a map pin

Hi, I'm using the TwinTechsFormsLib to move add pan gestures to my forms app. It does the job brilliantly. My only issue is that I'd like to add the pan gesture to a map pin. I'm guessing I'll need to...

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XForms Android ListView IsRefreshing - initial refresh not shown

In our project we have multiple ListViews, with IsRefreshing bound (also PullToRefresh and RefreshCommand) to an observable property in the ViewModel. Upon loading the page, we run the update command,...

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XamlC compiles, but throws InvalidCastException: Specified cast is not valid...

Hi, Updated my XF project to 2.0.0.6487 and verified that it's still working. Then I enabled XamlC on the assembly level. Android project builds without issues but dies on my Android 4.3 device in the...

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Xamarin Forms Windows 8.1 (WInRT) App on Windows 10

I read from Microsoft that Windows 8.1 apps will work correctly when installed on Windows 10. They obviously would not do any of the fancy things that a real Windows 10 app could do, but no surprise...

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VS 2015 Errors on sample projects

Hi there, Hope someone can help me. I'm checking out the xamarin-form samples on github. On most projects i get the following 2 errors : Error Build action 'EmbeddedResource' is not supported by one or...

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Mobile Ads OTHER than Admob?

Hi. I'm sick of Admob. I'm looking for OTHER ads for Xamarin. Looking for Xamarin Forms but can be also for Xamarin.IOS and Xamarin.Android via custom renderer (prefer also for WinPhone8.1 WinRT)....

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System.NullReferenceException at...

Immediate crash after application begins "WorkingWithMaps" and "MobileCRM" from https://github.com/xamarin/xamarin-forms-samples (both use Maps) Host system is Windows 8.1 Tried in Nexus 10 KitKat,...

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