Getting control after INavigation.PopAsync() in Xamarin Forms
I have PageA + ViewModelA, and PageB + ViewModelB. From A i'm calling PushAsync(B), editing some data, and calling PopAsync(). So now B becomes closed, and user returns to A. But in B user changed some...
View ArticleBug, iOS, Label with StartAndExpand HorizontalOptions does not expand if...
Hello there, Because a picture is worth a thousand words, let's start with this: As you can see, I am trying to build rows with a left-aligned Label (LayoutOptions.StartAndExpand) and a right-aligned...
View ArticleEditor slowly scrolling up with keyboard when focused. IOS
When I updated to Xamarin.Forms 1.5.1.6471 I noticed that whenever I put focus on an Editor that is within a scrollview the Editor control will very slowly crawl into position above the keyboard as...
View ArticleExceeded Retry Count of 10
I have updated to the latest Xamarin.Forms. I am using Visual Studio 2013. Since I updated to the latest Xamarin for Visual Studio this morning, I am getting these issues all of the time in Windows...
View ArticleVerticalOptions = LayoutOptions.End inside Autosized Grid Row is leaving gap
I'm having a problem with VerticalOptions = LayoutOptions.End inside a grid row. At first I thought it was an issue with Image and autosized rows, but I tried a BoxView and it is also leaving a small...
View ArticleWebView EvaluateJavascript
How is the best way to get the results of a javascript function that is called with EvaluateJavascript? For example: string js = "function myFunction(value1, value2) { if value1 > value2 return true...
View ArticleError The "CreateAdditionalLibraryResourceCache" task failed unexpectedly
Hi, after uptading Xamarin.Forms references in my project via NuGet Visual Studio 2013, When I try to build my solution it appear this error: Error 14 The "CreateAdditionalLibraryResourceCache" task...
View ArticleSystem.IO.FileNotFoundException: On InitializeComponent caused by own control
Hello! Please help a newbie. I have problems creating own control: I'm trying to make grid view similar to list view. The problem is in xaml file of the page - when I'm initializing my component app...
View ArticleException creating FragmentContainer when using AppCompat activity
My users are reporting this exception a lot: Managed exception: Unable to find the default constructor on type Xamarin.Forms.Platform.Android.AppCompat.FragmentContainer. Please provide the missing...
View ArticleListView Swipe Gestures left to right and right to left
Hello. I am trying to implement a ListView using Xamarin.Forms which supports swiping in 2 directions. right to left swipe -> offer a few custom actions right to left swipe -> offer a few custom...
View ArticleHow to save image to web server
I want to select an image using camera or from gallery and then want to save at my web server.
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 ArticleHow can we achieve RTL in Xamarin.Forms?
Hi , Please provide us the details regarding RTL in Xamarin.Forms.
View ArticleGoogle auth crashes application
I am using google auth through a webview in xamarin.forms [android app] and after the user authenticates, the application crashes, and i am unable to move forward. Here's a snippet of the code : public...
View ArticleNo toolbar buttons in landscape mode on any tablet
This is for FormsAppCompatActivity. You can see the buttons on the toolbar just fine in portrait mode: Now, in landscape: First, the buttons are not there any more. Second, the drawer button becomes an...
View ArticleHow to add a BackgroundServiceAgent to play mp3s in a Xam.Forms Windows Phone...
The right way to play audio in the background in Windows Phone 8 is pretty straightforward, but only if you start from a "Windows Phone Audio Playback Agent" template. Instructions from MSDN are here....
View ArticleFacebook Native Login Using Forms
Using the example in Facebook SDK package which is Android project (not Forms) I created a page renderer for facebook login. I got the facebook permission dialog open but no matter what I click, Cancel...
View ArticleINotifyPropertyChanged tutorial, no xaml?
I'm developing an application which uses timers to update the data in the views, but I think that this is greatly decreasing the performance. Is there a tutorial for INotifyPropertyChanged, which...
View ArticleXamarin Form Designer
I have a quick question about Xamarin forms. Is there a designer available for the Xamarin Forms (xaml)? If no, will there be one soon? Because I installed the latest version of Xamarin Studio and...
View ArticleHow to fix 'NaN is not a valid value for height'
I'm trying to create a Grid Layout. I can't find any "Template" option for when binding to a ViewModel, so I'm trying to hand roll this thing. Here's my XML <ScrollView x:Name="ModuleScrolLView"...
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