Pass data between Page and Activity for external application
Ciao. I've a PCL Xamarin.Forms application. I've to call an external application, so I have to create a PageRenderer and an Activity. In the activity, using StartActivityForResult, I can start the...
View ArticleNavigating from Android activity back to forms
I have forms project where I use a custom ContentPage and a PageRenderer based on this code: forums.xamarin.com/discussion/18014/mixing-forms-content-and-native-activity I can navigate to my android...
View ArticleSetting background for every page in Xamarin forms
Hi , I would like to set the background image for every page and it should be accessible for every where .I have seen and got some information about how to do it in the net from the following link...
View ArticleChanging the UI localisation within an app.
Hi, I have a localised app running for forms (I've effectively used the example from the xamarin website). What I'm trying to do is alter the UI language from a picker. While the code works, the...
View ArticleChange Referenced Assembly (.dll) Name
Hello, I'm Having an issue using diferentes assemblies with the same names. I need to use both of them but cant because the namespace has the same name. I saw that a solution could be external alias...
View ArticleComponent for showing image
Hi, I wonder if there is any component for full-screen image display, by clicking on the picture to show it in full screen, like on the Facebook app. Thanks!
View Article3D rendering performance : Xamarin.Forms with OpenGL/TK vs. three.js with WebGL
Hi, Is there any difference regarding 3D rendering performance to be expected between an application developed with Xamarin + OpenGL/Open TK, compared with a java-script application using...
View ArticleMasterDetailPage IsPresented is completely ignored.
Two issues: (1) If I set IsPresented = true on the OnAppearing() method of my MasterDetailPage, the Master menu is shown and then is immediately closed automatically. A video showing the Master closing...
View ArticleWhat will be the best MVVM framework in Xamarin.Form
Hi Folks, What will be the best framework for Xamarin.Form? Can I use MVVMLight in Xamarin.Form? Please advise. Cheers
View ArticleSelect a Grid in code behind
Hy guys, I am a bit baffled here. I want to select a grid declared in XAML but in code behind. Usually this is done by selecting the grid's name, id or any other identifier. However I am not able to...
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 ArticleDependencyService.Get() best practice?
In all of the examples that I've seen in the documentation dependencies are retrieved (DependencyService.Get()) each time the particular interface is needed. This seems like it could be more processing...
View ArticleCross Geolocator Consent Event Notifier
I'm successfully using the Geolocator Plugin from @JamesMontemagno in a Xamarin.Forms app to query a user's location. On iOS: 1) It successfully shows the consent dialog box upon the first (ever)...
View ArticleSystem.IO.Compression It does not work - Microsoft.Bcl.Compression
I've a xamarin form project, when i use this code ... var re =await client.Execute(request); var gs = new GZipStream(new MemoryStream(re.RawBytes), System.IO.Compression.CompressionMode.Decompress); .....
View ArticleIs there a way to dismiss Page.DisplayAlert() on background xamarin.forms app?
In regular android you'd save off the dialog and close it on home button pressing. But you're not given a dialog object you can dismiss in Forms. Is there some mechanism to close the dialog after the...
View ArticleObject Reference error updating Xamarin.Forms to 1.5.1.6471
Hi All, I'm using NuGet to update my Xamarin.Forms application to 1.5.1.6471 (I'm on a 1.4 version) and am experiencing an object reference not set to instance of an object error when doing so. Has...
View ArticleXamarin.Forms.Entry FontFamily property
I've got a Xamarin.Forms project in which I'm trying to use an Entry and set its FontFamily in XAML. I keep getting a XAML exception about the FontFamily property not existing. I'm working in Xamarin...
View ArticleSidebar Navigation integration into a Xamarin Forms project
hi, I'm trying to get the Sidebar Navigation component working in a Xamarin Forms iOS/Android project. For some reason though my project doesn't show the menu on the top right of the root form as...
View ArticleXamarin.Forms iOS UIKit.UIImage Error
I've been working with making a mobile app using Xamarin.Forms. I have everything working on android, but when I try to launch on iOS I get the error: System.Exception: Could not initialize an instance...
View ArticleMR.Gestures handles ALL touch gestures
With MR.Gestures you can handle the Tapping, Tapped, DoupleTapped, LongPressing, LongPressed, Panning, Panned, Swiped, Pinching, Pinched, Rotating and Rotated gestures on all layouts, cells, views and...
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