Use a iOS Imageset inside a XAML view file (PCL-Project)
Hello, I am trying to use in the iOS-Project instead of a normal BundleResource PNG-file a Imageset with more resolutions. In the moment I have a PCL-Project as shared platform between Android and iOS....
View ArticleSystem.ArgumentException: 'jobject' must not be IntPtr.Zero
Suddenly this is all I'm getting. I've narrowed it to a navigation call, whenever I call App.Current.MainPage = somePage;, or returning from background. I was in heavy development and navigation was...
View ArticleOnScroll event in ScrollView
Anyone know if there is a way to hook into the scroll event in ScrollViews? I want to add infinite scroll to a ListView, but without any way of knowing when the user reaches, or getting closer to, the...
View ArticleClik here to view.
Your experiences with update to Win10 + VS2015…?
Hi all I work with Win 8.1 and VS2013 Update 2 and XF 1.4.4 “stable” and XLabs right now. On the base of various reasons, I have to update to Windows 10 and VS2015 in the near time. As we develop also...
View ArticleMasterDetailPage inside NavigationPage not showing Hamburger Icon
When I deploy my Forms application on Android, I see the Hamburger menù correctly, but when I deploy on iOS I cannot see the hamburgher menù image. The image is in the "resources" folder with...
View ArticleHow to add checkbox control in XAML
Hi, I want to add Checkbox control in Xaml page. I added below code in .Xaml page. <CheckBox Margin="10, 10, 3, 3" Name="acceptPolicy" Content = "Accept our policy" FontSize="12"...
View ArticleJson Web Tokens
Hello everyone, I'm searching around the net how I could decode a JWT token to fetch the expiration date in C#. Only I couldn't find many solutions / examples for Xamarin. I tried adding...
View ArticleUnhandled exception occured while using DatePicker in Xamarin.Forms.ContentPage.
Hi, I am trying to use datepicker control in in an application using Xamarin.Forms, but getting an error. The first time the activity is started, date picker work just fine ... however, whenwe close...
View ArticleDone button not firing completed event on Entry
I have used the Xamarin example of adding a Done button to a numeric keyboard however this is not firing the Entry Completed event. I can see that the delegate is being executed when the done button is...
View ArticleHow are we to do global exception handling in Xamarin.Forms?
I've found the AdvancedLifecycleDemos for Android, and I'm thinking of converting it to some sort of cross platform implementation, but I'm wondering if someone has already done this? I haven't found...
View ArticleHow can i validate Entry control as required in xamarin.forms ?
Hello, How can i validate Entry control as required in xamarin.forms ? Already i have tried xamarin.behaviors. but didn't worked.... anyone can assist me ?
View ArticleWebview binding is not working
I have a webview that is bound to an HTML snippet snippet: <h1>Hello World!</h1> <WebView> <WebView.Source> <HtmlWebViewSource Html="{Binding Html}" />...
View ArticleXamarin.Forms and Android AppCompat Theme
Hi everyone, I'm using Xamarin.Forms to make an Android application (Lollipops 5.1, API 22 on Nexus 5 with Android Player atm.). I wanted to customize the tab/nav bar so i used an AppCompat Activity...
View ArticlePushModalAsync to get username from new page, then PopModalAsync and use that...
Hi, I'm trying to do the following, but the async isn't on the page like I was hoping - it's only on the displaying of the page. var createPlayerPage = new CreatePlayerPage(nPlayerNumber); await...
View ArticleWhat to do when AppContentPage can no longer be found in Xamarin.Forms?
I upgraded to the latest version of Xamarin Studio and now my project won't build and I can't set my iOS app as the startup project. Not even an option anymore. To add insult to injury, AppContentPage...
View ArticleListView Alternating Row Color
Trying to implement that each odd and even row of a listview has a different colors. I tried it with an IValueconverter, but I can't seem to bind it to the ListViewItem. I also read about triggers, but...
View ArticleXamarin Shared Project localization
Currently I am trying to implement localization into a Shared Project. I read the guidelines and those note that using resx files is supported for PCL. Using resx for Shared Project requires...
View ArticleJump List for Android?
I have followed this awesome article by James Montemagno on how to create a ListView with Grouping Headers and implement a Jump List for iOS. I have been looking online for how I could implement a Jump...
View ArticlePopToRootAsync iOS error
Hi! I'm trying to close two windows in the same instruction. In Android PopToRootAsync works perfectly, but in iOS the app crashes. The error says: System.ArgumentNullException: Argument cannot be...
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 Article