INotifyPropertyChanged 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 ArticleEditor: TextColor property?
Am I missing something, or is there no TextColor property available for the Editor view? It seems inconsistent as the Entry view exposes a TextColor property.
View ArticleSatellite Menu with Xamarin Forms
Hi! I was wondering if anyone has used Satellite Menu component with Forms. I guess you have to implement some sort of interface and custom control mix since satellite menu component is implemented for...
View ArticleHow can I use FontAwesome icons in the NavigationPage?
I am still quite new to Xamarin Forms and I was wondering if it is possible to use FontAwesome icons in the NavigationPage. I have found a way in iOS to use FontAwesome icons in the toolbar items using...
View ArticleMaster Detail Page on the right side using Xamarin.Forms
Try to create custom page with behavior similar to existing master detail page, with only one difference - opening from right side. Custom class has two properties: Content and Menu - both Page type....
View ArticleAzure app service with FaceBook based authentication
I am developing an app based on Azure App Service Mobile in Xamarin.Forms. Its documentation says, it would take 'only 5 minutes' to add FaceBook authentication to an app. In my case, it was not true....
View ArticleGetting 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 ArticlePass Click/Tap Event Through Levels of RelativeLayout
I'm placing RelativeLayouts on top of each other in the same grid row. The RelativeLayouts are set to FillAndExpand on both the HorizontalOptions and VerticalOptions. I want to be able to place them on...
View ArticleSingleton Instance of ViewModels
Hello, I have 3 screens in my app- Home, B and C. Home screen has toolbar which can be used to navigate to A or B. I navigate to A from Home using button. This creates a new instance of VM with A. Then...
View ArticleTabbedPage bug?
Is this a bug or I should use it in another way? public class MyQuestionsPage : ContentPage { public MyQuestionsPage() { Title = "My Questions"; Icon = "TabBar-Icon-MyQuestions"; } } public static Page...
View ArticleMVVM Binding not bubbling add new element from collection
Hello, I've implemented a component which displays a simple view. The view is bounded to my user control throught the ItemTemplate (based on DataTemplate type) as we could do for a ListView or any...
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Bug, 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...
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