Image not showing
Hey guys, I am trying to make a very basic contentPage with just 2 buttons and an image. But no matter what I am trying, the image does not show .. Am I getting crazy or just missing something ? I made...
View ArticleChange colour of Hamburger Icon for Android
I have a MasterDetail page that that has a dark background for the Bar Background. I want the Hamburger icon to be white but I cant find the setting to change the colour. iOS seems to do it...
View ArticleHow we use MuPDF in android
Hi, How we use MuPDF in android in xamarin forms android. http://mupdf.com/ Thanks
View ArticleNFCA A Windows Phone read problem
Hello, I am having a difficulty reading NFCA card on my Windows Phone with Xamarin Forms. Could you point me please to a library or any suggestions how to do it on WP? Kind Regards, Taras
View ArticleBug on MasterDetailPage WP ?
Hi I try using MasterDetailPage using XAML. It's work on android not on WP. here the XAML : <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage.Master> <ContentPage.Content>...
View ArticleFreshMVVM: No default constructor exception on PageModel constructor injection
Hey there, getting a missing method exception when trying to create a new page using FreshMVVM. System.MissingMethodException: Default constructor not found for type...
View ArticleTapGestureRecognizer not firing for Android
TapGestureRecognizer is working for WinPhone but on Android although the Application Output is showing [ViewRootImpl] ViewPostImeInputStage ACTION_DOWN but the Tapped evenit isn't being called... var...
View ArticlePreventing "Sleep mode" - Keeping the app alive
When my app has been startet, it shouldn't be sent to background by display-timeouts or whatever. So I want to deactivate the "Sleep mode" of the phone or tablet by code. Does anybody have some tips...
View ArticleListView dynamic cell height, Grid in cell not measuring correctly
I'm trying to get dynamically sized row heights working on iOS but running into some problems. So far I've tried making a custom listview datasource as well as a subclass of ViewCell that gets the size...
View ArticleI can not add Xamarin.Forms to my PCL project
Hi guys, hope somebody can help me with this. I am using Xamarin Studio 5.9.7 under windows 8.1 I have created a new multiplatform solution using PCL and after the solution and projects have been...
View ArticleWKWebView caching not working
Hi there, Iām building a Xamarin Forms project whose main component is a WebView. I have built it such that on iOS7 a UIWebView is used, and on iOS8 a WKWebView is used. Basically I want a cache for...
View ArticleInvalidProgramException System.InvalidProgramException: Invalid IL code
I use a Result object to be to handle both positive and negative results when querying my server side code in my: namespace GenerationLondon { public abstract class Result<E, S> { private...
View ArticleJson Web Tokens
Hello everyone, I'm searching around the net how I could decode a JWT token to fetch the expiration date in C#. Only I couldn't find many solutions / examples for Xamarin. I tried adding...
View ArticleMessagingCenter or Events ?
Hi everyone, During my XF development, i used both Event/Handlers and Xamarin MessagingCenter (or the Messenger from MvvmLight) to pass data / update through distinct objects etc... My question here...
View ArticleHow to add a background image to my application
Hi Guys, I want to add a background image to my application for the look and feel. I know how to use the local and the embedded images but i want to make my entire application with a default image....
View ArticleHow to add OnAppearing () function in ListView page
Hi, I want to call my API(web service) from my List view page. For that, How to add OnAppearing () function in ListView page?? Please anyone help me, It's really urgent for me. Thanks
View ArticleWhy won't my images display on Android?
I have a forms app that is working and looks great on iOS. The images for iOS are stored in a central assets folder and a file link is added to the iOS 'Resources' folder. So, trying to get the Android...
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How can i implement a timer in xf ? i need a sleep safe timer
Hi all, i currently use "Xamarin.Forms.Device.StartTimer" to start my timer. As suspected, when application goes to sleep mode, timer go to sleep with it. Is there any way to implement a timer ? Please...
View ArticleDeploy to multiple devices from visual studio
Hi all, Is there any way to deploy my solution to Android and Windows devices at the same time from Visual Studio? At the moment I am going through the debug cycle on each one and its slowing me down a...
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