After Updating Xamarin Forms to 2.0 All Conrols getting error like the...
After Updating Xamarin Forms to 2.0 All Conrols getting error like the control does not exist in the current context due to initial component also getting same error.
View ArticleXamarin Forms Date / Time picker set Text Color
Hi, is that possible to set text color in Date / Time picker. i had tried with custom render too. still the color is not changing. `` EditText nativePicker; protected override void...
View ArticleInvalid cast exception error
I'm trying to add styles to application's global ResourceDictionary and access from another content page. Its working with labels but, not with buttons and images. I'm getting an invalid cast exception...
View ArticleCustom ViewCell after xamarin forms 2.0 upgrade have breaking changes in...
Dear All, I've attached a fairely simple. drilled down version of our app. What you will see in it is that I've a simple Forms app consisting of 2 pages. My first page just has a button to navigate to...
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Notification over a toolbar item.
I have a toolbar in my Xamarin forms project. I require the following - 1. I need to display notifications on my toolbar items as in the image - . 2. I need to decrease space between the toolbar items...
View ArticleiOS Keyboard showing
Hi, I have a custom renderer on my UI which inherits Entry. Once clicked, a Picker is fired (having to do it this way as there is no way to align the text in the picker centrally from what I can see)....
View ArticleChanging Root From a Navigation Page
Hi Everyone, My team and I are using the Login Pattern sample suggested in several answers in these forums It works great but we need to change this part public static Page GetLoginPage (ILoginManager...
View ArticleWhite screen instead Page duaring navigation
Hello! I have a problem with my project. I use MasterPageDetail in my XF app. Detail page is navigation page. To navigate ahead i use PushAsync in my Detail page. To close page manualy PopAsync. When i...
View ArticlePage navigation arguments and app lifecycle
Hello, I wonder how navigation between pages with Xamarin.Forms respects target platforms navigation paradigms. Currently, I'm just passing my navigation arguments to created pages (await...
View ArticleSetting the height of a RelativeLayout?
I have a case where I want the RelativeLayout to only fill half of the screen. Is it possible to set the height of the RelativeLayout? HeightRequest does not seem to do it (for Android at least,...
View Articleinvalide cast exception PushAsync ContentPage
Hi all, i have a great problem. I try to run this code: var myPage = new MyPage(); await Navigation.PushAsync(mieGiocatePage); MyPage is a contentPage but i always obtain the exception "specified cast...
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Issue with WebView and orientation change
Hi, I have a strange issue: I created a simple WebView which is added to the center of a relative layout. My view code looks like this: var htmlTest = new WebView { Source = new HtmlWebViewSource() {...
View Articlesystem.argumentexception: an item with the same key has already been added
I know this is avery general error, but I suddenly cannot debug my xamarin forms application anymore on my iOS device: system.argumentexception: an item with the same key has already been added any...
View ArticleChange left bar button in navigation header for a specific page (iOS)?
I would like to change the left bar button in the navigation header in a custom renderer, but only for a given page. Something like this: public class CustomNavigationRenderer : NavigationRenderer {...
View ArticleHow to use INotifyPropertyChanged with a ListView
I have a ListView whose ItemSource is an ObservableCollection of Message objects. Message objects implement INotifyPropertyChanged. I am changing properties on a message object in the...
View ArticleHow can I get the MasterDetailPage to behave itself in split view on iPad?
I've got an app that's using the Xamarin Forms MasterDetailPage to layout a slide-over burger menu on phones and a popover on tablets. But when I open the app in split view on an iPad, it falls down....
View ArticleHasShadow Property of Frame not working
I am using Xamarin Forms and I am trying to build a cardview style control by putting a frame inside a listview and it doesn't look like the HasShadow property is working properly. I have it set to...
View ArticleStop making properties internal!
It's getting really annoying. Many of the controls are under-developed on Windows Phone (e.g. MasterDetailPage - seriously, a command bar icon???), and our team decided to work around that. Except they...
View ArticleDo MessagingCenter subscriptions get processed on not visibale pages
I have a page that includes a control, this control has a view model that subscribes to a message Like this MessagingCenter.Subscribe<object, string[]>(dummy, "UPDATE_LAST_SYNCED", (sender,...
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