Problem binding data across content pages on iOS Forms app.
I have a problem with binding across pages. (simplified) A project has a view model consisting of a static class with a single string property Name. Content Page1 is set as the BindingContext for the...
View ArticleSeeing Beacons in the background on Android in a X.F PCL solution.
So its straight forward enough to monitor for beacons in the foreground in a PCL with the Androids MainActivity being the IBeaconConsumer. But I'm not sure how to get background monitoring working, as...
View ArticleXamarin.Forms 2.0 issues
I just recompiled my project with Xamarin.Forms 2.0 and found Application.Current.SavePropertiesAsync is not working as expected in "Release" mode. I used the following code to save the login email...
View ArticleListview Page that functions like Android List Activity
Does anyone have a good example of using a page and having it function in a similar fashion to Android List Activities? Need to have a form use that as a "picker" rather than an actual picker and will...
View ArticleTabbed Page with tabs from ViewModel
I have a tabbed page that is loaded after another page and the tabs can be different based upon context from the previous page. I am trying to follow MVVM and the only thing that is in the code behind...
View ArticleNavigation HasBackButtonProperty Binding Refresh
I have set a binding this.SetBinding(NavigationPage.HasBackButtonProperty, "BackButtonDisplayed"); and when I change the value in my view model, the back button disables (which is better than nothing)...
View ArticleSaving Application.Current.Properties with Xamarin Forms Android Release Build
I have an application where I'm trying to save user preferences. This works fine with a debug build for Android. The preferences are saved and the user data is stored without any issues as long as I'm...
View ArticleSetting the arrow on the appear in android
So I have this issue, i can set the background colour of the app bar and i can set the font colour used on the app bar in android but i can't change the colour of things like the back arrow that is...
View ArticleButton.Text not consistent across platforms, why?
In Android, it is displayed all caps. Can we display text in normal case, as it is set. In iOS, meaningless hiding of text is happening. Three dots replace the center text. And I see 3 dots replacing...
View ArticleMVVM Two way binding on Entry inside the Appearing event handler
I have a Xamarin Forms content page with the following structure and code behind and I am trying to update the UI Entry Text by updating the ViewModel property inside the Appearing event handler (I am...
View ArticleApplication Output window flooded by strange error message when debugging my...
I am current getting this strange message that floods my application output window. This means I can't see any debug output. This only happens when I run my XF app in debug mode on my device and not...
View ArticleFeasibility for Xamarin.Forms for Mac
We have a client that has a .Net windows forms applications that they are interested into bringing to the Mac. Xamarin is a great fit as the business logic is available in PCL. I attempted to use...
View ArticleUsage of Entry via binding: How to get notified if text is finally changed,...
I have an Entry control whose Text property is bound to my ViewModel. But the setter of the property in the ViewModel is called on each character change (equivalent to UpdateSourceTrigger =...
View ArticleApp crash immediatly at startup with 'Fatal signal 6 (SIGABRT)' error message
Hi everyone, I'm a new Xamarin Forms developper (about 2 month old) and I'm facing a big problem when I execute my Xamarin Forms Android application. I search on the Xamarin forum and on Google for a...
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 ArticleSignaturePad
Since upgrading to the latest and greatest SignaturePad is no longer compatible, are there any other solutions or is there a plan to bring SignaturePad into the newer version.
View ArticleXamarin.Forms.Labs - Checkboxes in ListView not working on Windows Phone 8?
This question was asked on stackoverflow (http://stackoverflow.com/questions/26596448/xamarin-forms-labs-checkboxes-in-listview-not-working-on-windows-phone-8) but never answered. The checkboxes show...
View ArticleDeployment failed. Architecture not supported.
Hi I am getting the below error while deploying.. The package does not support the device architecture (x86). You can change the supported architectures in the Android Build section of the Project...
View ArticleXamarin Forms for Mac Apps?
Some of the apps are really famous because of apps that are accessible on desktop, be it mac or windows or web, for example Telegram, Slack, Whatsapp. One downside of going completely native mobile...
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