ImageCell in ListView does not show png-images in Windows Phone (Ressource...
Hello, I´m using: listView.ItemTemplate.SetBinding(ImageCell.ImageSourceProperty, new Binding("article_image_uri", BindingMode.OneWay, new StringToUriImageSourceConverter())); with: public class...
View ArticleHow to check if Device has NaviagtionBar (bottom) (android)
Hey I want to check if the device has a bottom navigationbar. If the check is true, then i use another image. Here is the question for android only. But I have to figure it out in Xamarin Forms...
View ArticleXamarin.Forms.Windows with Shared Project
I am having a build issue when using the new Xamarin.Forms.Windows with a shared project. When I go to build I get a error on the IntializedComponent() method on the back end code of all the pages, The...
View ArticleSystem.MissingMethodException: Default constructor not found for type...
Hi, I'm trying to consume a SOAP Web service. Just got all the configuration done, my project builds ok and the methods from the service that returns strings, those are ok but I had two method that...
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How to access an object (e.g. entry) on a page via object-reference?
Hi all On my registration-page, I have various entry-controls. The entry-controls are based (instances) on my own class (with description-label, entry, error-label, some additional methods, including a...
View ArticleCrossPlatform features
Could anyone tell me if Xamarin.Froms have cross platform support for the following things? Camera UI Control Take continuous camera images Location service Persistent storage thanks
View Articlemultiline label change line padding?
hi, I have a label that is word wrapped to multiple lines. But he space between each line is to big. How can i change the space between line when my label is word wrapped? Br Morten
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Deliver to different final user the same app with some changes
Hi, I'm trying to create an application for iOS and Android that will be developed for different final users. This app is pretty much the same except, for now, for an url where the application get the...
View ArticleWhy I can't change the border of my Button
Hi, First I am sorry for my english I am learning. I have this code ` public class Whisp : Button { public static WhispList whispList = new WhispList (); private static int globalID = 0; public int ID...
View ArticleAcceptance of radio button control by the App Store
Hello Is there a possibility of an app being rejected by the App Store for containing a radio button control i've written (Custom renderer, Xamarin forms), since radio buttons aren't native components...
View ArticleSet Image CacheValidity timespan in XAML
I have an image in my XAML and I'd like to set a longer timespan for the CacheValidity. <Image Source="{Binding PictureUrl}" CacheValidity="5" /> I could do this in code by binding to a TimeSpan...
View ArticleHow should I connect property changes via bindings in Android views when...
I've been trying to write a simple textarea control, which would behave sort of like the HTML <textarea>. Currently I'm trying to figure out what is the best way to bind the data from the Android...
View ArticleRoundedBoxView custom renderer from Xamarin University video no longer working
I made the RoundedBoxView that was in the Xamarin University: Custom Renderers in Xamarin.Forms video. It was working before, but it seems to no longer work (at least for iOS). The stroke thickness and...
View ArticleAndroid OnResume() in PageRenderer.
Hi, in iOS PageRenderer having ViewWillAppear method is automatically called when view is focued but is there any event in Android Pagerenderer having the ViewWillAppear equalent method in Android or...
View ArticleTabbed Page Icons - Appear Blue
I have a tabbed page and have assigned my full colour PNG file. The image shows although its completely blue and you can therefore make out none of the detail apart from the outline. this.Title =...
View Articlehow to "!" in a binding in xaml
i.e. ` <Button Clicked="OnLoginClicked" Image="Images/Login/loginWithFacebookButton.png" IsEnabled="{!(Binding IsLoggingIn)}" <<<<<<< this is the bit that I don't know how to...
View Articlebug or am I misunderstanding navigationpage?
I have a navigation page. I set the root page from code, then from the root page I add another page - all good I can swipe back to the previous page; but clicking the back button does nothing. I can...
View Articlewhy is my custom navigationpage renderer's code being ignored
`public class ExtendedNavigationPageRenderer : NavigationRenderer { protected override void OnElementChanged (VisualElementChangedEventArgs e) { base.OnElementChanged (e); if (NavigationBar != null) {...
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getting the object in the Binding
I have a list which is driven by a collection of Person obejcts. I can get the properties of a given person to show up (like name, age, etc) . like in the viewcell in my list. however, I want to be...
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