Quantcast
Browsing all 76418 articles
Browse latest View live

Acr.Xamarin.Forms Network connection check

Hi everybody, How can i check network connection? I found sample on github but its wrote mvvm pattern. I wrote this code but. I've got object null exception. My sample code is: ` private...

View Article


Attempting to JIT compile method (....) while running with --aot-only.

Hi to all. I am getting this exception when I process a WCF request from my Xamarin.Forms app: "Attempting to JIT compile method '(wrapper runtime-invoke) :runtime_invoke_bool_Nullable`1...

View Article


i have problem with creating a custom markup extension

i am trying to learn Xamarin by reading Ceating mobile apps with Xamarin Forms. Page 210 explain how to link Xamarin.FormsBook.Toolkit to CustomExtensionDemo project. I follow instructions(Include a...

View Article

Xamarin Linker

Hello! We are finished now with creating our awesome Xamarin.Forms app and we are trying to create the apk. We have some problems with the Link SDK only problem. We need that option, because without...

View Article

TileLayout for List

Hi there, I couldnt find Tile Layout for List, is there any plans for it? or any other Option? Thanks

View Article


Image may be NSFW.
Clik here to view.

Xamarin Forms ToolbarItem icons missed

Good evening! I have a trouble with android: icons on my toolbaritems not showing up (on iOS everything OK). Toolbar items have just text. I add toolbar items by this xaml code (c# I have tried, the...

View Article

The UI layer and Xamarin Forms - can XAML be in platform-specific projects?

In a cross platform PCL application using Xamarin.Forms; it appears that the XAML and UI is exclusively handled by the common project. In other words you don't have SomePage.XAML and its...

View Article

Xamarin.FormsMaps

Does Xamarin FormsMaps cost anything or can it just be used in a project? I am targeting Android and iOS. Thanks

View Article


If want a snappy UI don't use Labels. Or anything else...

I'm sorry for the harsh title. But this is exactly the sentence we throw around the office for quite some time now when ever somebody complains about the slowness of Apps based on Xamarin.Forms....

View Article


Understanding Grid Layout

I am a bit confused about the Add method of Grid with four args: grid.Children.Add(new Label { Text = "Span two rows (or more if you want)", TextColor = Color.Yellow, BackgroundColor = Color.Navy,...

View Article

Xamarin.Forms 1.5.1 AppCompat Toolbar on API 16 back button color changes

Hello, I currently tested the AppCompat using a Toolbar with the DrawerLayout. We use a black back button on a white toolbar. This works fine on > Lollipop. But on API16 I noticed a strange...

View Article

Cant change android back button in Xamarin.Forms

Hi all, I tried 10120312 ways to change back button in toolbar at Xamarin.Forms, but still it same color. It change hamburger menu color, but doesn't change <- !!! Create custom toolbar theme. - Not...

View Article

Xamarin.Forms AppCompatActivity - deeper navigation "back" arrow is black

As the title says. The whole toolbar is using the proper coloring, including the hamburger icon, but as soon as one goes even one page deep, the back arrow turns black. The arrow has no such problems...

View Article


How do use setters in App.xaml to bind values to a custom class?

I have a custom class with custom properties that need to be retrieved. This works in the app.xaml: <cols:List x:Key="SchemaModifications" x:TypeArguments="SAL:SchemaModification">...

View Article

What is the plan for TargetPlatform.Desktop ?

As well as Android and iOS, I am building my app to run on Windows phones, tablets and desktops. I run it on my Windows development PC and (working around various XF bugs) it works a treat. However,...

View Article


Back Arrow Color on Lollipop with FormsAppCompatActivity

What is the proper way to change the back arrow color when using FormsAppCompatActivity? I created a new project and followed the instructions here to use Material Design:...

View Article

How to get the progress of WebView while loading the data, Xamarin.Forms

I am developing an App using Xamarin.Forms for listing the news from different sources. I use a webView to open the link corresponding to the news. But I want to show the progress while loading the...

View Article


UriImageSource sometimes doesn't load image

Hi, I have page with 6 Image and every image is located on web. I get the list of URLs from API and I setting them to Images with UriImageSource, but sometimes random images doesnt load - no error, no...

View Article

Call a Soap Web Service in Xamarin Forms

Hi All, I wanted to get a web service Soap envelope request and response using WSDL Libraries. Any good responses and samples would be appreciated. Thanks,

View Article

Universal Windows ListView Grouping Bug?

I'm adding a Universal Windows target to my PCL project and I'm getting Resource Token Not Found errors when I have grouping enabled on a Forms ListView. Disabling grouping for my UWP target makes my...

View Article
Browsing all 76418 articles
Browse latest View live